818  
FOCA52 TJSJ 251922  
AFMSJU  
 
AREA FORECAST MATRICES  
NATIONAL WEATHER SERVICE SAN JUAN PR  
322 PM AST THU MAY 25 2017  
 
PRZ001-260815-  
SAN JUAN AND VICINITY-  
INCLUDING THE CITIES OF BAYAMON2, CAROLINA, CATANO, GUAYNABO,  
SAN JUAN, TOA ALTA, TOA BAJA, AND TUJILLO ALTO  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 78 83 89 91 70 74 78 83 88 90 71 75 78  
TEMP 87 80 78 78 80 84 88 89 84 77 74 75 77 81 86 88 84 77 75 75 77 81  
DEWPT 70 72 72 70 70 70 69 70 70 71 71 71 71 70 69 69 70 71 71 71 70 70  
RH 57 77 82 76 72 63 54 54 63 82 90 87 82 69 57 54 63 82 87 87 79 69  
WIND DIR E E E E SE E E E E E SE SE SE E E E E E E SE SE E  
WIND SPD 13 9 9 6 6 9 12 13 13 8 6 6 6 10 13 14 13 10 8 6 5 9  
WIND GUST 24 26 24  
CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 5 30 30 30 20  
QPF 12HR 0 0.02 0.03 0.09-0.15 0.02  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS IS IS IS SC  
OBVIS H  
HEAT INDEX 92 84 83 88 92 95 88 84 90 93 88 84  
MAX HEAT 98 86 90 96 95 88 96 94 89  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 75 89 75 89 76 89 75 88  
TEMP 88 76 77 81 89 78 76 83 89 78 76 81 89 78 75 81 88 79  
DEWPT 70 71 71 71 71 71 72 72 71 70 70 69 68 71 71 70 70 71  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN BZ GN GN GN BZ GN GN  
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC  
POP 12HR 30 30 30 30 50 50 50 30 30  
RAIN SHWRS SC IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC IS  
TSTMS IS IS IS IS  
 

 
 
PRZ002-260815-  
NORTHEAST-  
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,  
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 70 77 79 77 87 89 68 75 78 78 86 89 69 74 78  
TEMP 85 79 77 77 79 81 85 87 83 78 75 75 77 80 84 86 82 77 75 75 76 79  
DEWPT 71 72 71 70 70 70 70 70 70 71 71 70 70 70 69 69 70 70 71 70 70 70  
RH 63 79 82 79 74 69 61 57 65 79 87 84 79 72 61 57 67 79 87 84 82 74  
WIND DIR E E E E E E E E E E E E E E E E E E E E E E  
WIND SPD 12 10 10 9 9 11 13 13 12 9 9 9 10 12 13 13 12 9 9 8 8 11  
WIND GUST 24  
CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 40 40 40 30  
QPF 12HR 0.01 0.04 0.02-0.08 0.04-0.23 0.03  
RAIN SHWRS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC  
OBVIS H  
HEAT INDEX 90 81 81 85 90 92 87 82 88 91 86 82  
MAX HEAT 98 84 90 96 95 85 88 95 94 84 88  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 75 87 75 86 76 86 76 86  
TEMP 86 77 76 79 87 78 76 80 86 77 77 79 86 80 76 80 86 79  
DEWPT 70 71 71 71 71 72 72 72 70 71 70 69 69 71 71 71 71 71  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC  
POP 12HR 30 30 30 30 50 50 50 30 30  
RAIN SHWRS SC SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC IS  
TSTMS IS IS IS IS  
 

 
 
PRZ003-260815-  
SOUTHEAST-  
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,  
SALINAS, AND YABUCOA  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 70 76 79 80 88 93 69 73 77 80 87 92 70 74 76  
TEMP 85 79 76 76 78 81 86 88 83 76 73 74 75 79 85 87 83 77 74 74 76 79  
DEWPT 68 71 71 69 69 69 67 67 68 70 70 70 69 69 68 68 68 70 70 70 69 69  
RH 57 77 85 79 74 67 53 50 61 82 90 87 82 72 57 53 61 79 87 87 79 72  
WIND DIR E E NE NE NE E E E E E E E E E E SE E E NE NE NE E  
WIND SPD 13 10 10 9 9 12 14 14 13 9 8 9 9 12 14 14 13 9 9 8 8 11  
CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 20 20 30 30  
QPF 12HR 0 0.02 0.03 0.04-0.16 0.03  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC SC SC SC  
OBVIS H  
HEAT INDEX 89 80 84 89 92 86 81 88 91 86 81  
MAX HEAT 97 85 91 97 96 84 88 96 95 83 87  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 74 88 74 88 75 88 74 87  
TEMP 87 76 75 79 88 77 75 81 88 77 76 79 88 77 75 80 87 77  
DEWPT 68 70 70 70 68 70 71 70 67 69 69 67 65 70 70 69 68 70  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN BZ GN GN GN BZ GN GN  
AVG CLOUDS SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC  
POP 12HR 30 30 30 30 50 50 50 30 30  
RAIN SHWRS SC IS SC IS IS IS SC SC SC SC SC SC SC SC SC SC SC IS  
TSTMS IS IS IS IS IS  
 

 
 
PRZ004-260815-  
EASTERN INTERIOR-  
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,  
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 70 75 78 80 87 92 71 80 86 91 72  
TEMP 84 78 75 76 77 80 85 87 82 74 71 72 73 77 83 86 81 75 72 72 73 77  
DEWPT 67 70 70 69 68 68 67 67 67 69 69 69 69 69 66 66 68 69 69 69 69 68  
RH 57 76 84 79 74 67 55 52 61 84 93 90 87 76 57 51 65 82 90 90 87 74  
WIND DIR E E E E E E E E E E E E E E E E E E E E E E  
WIND SPD 12 8 6 5 5 9 12 13 12 6 5 5 6 10 12 13 12 6 6 5 5 9  
CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 30 30 30 30  
QPF 12HR 0 0.03 0.03 0.06-0.17 0.03  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC  
OBVIS H  
HEAT INDEX 87 82 88 90 84 85 89 84  
MAX HEAT 94 84 91 96 95 86 94 93 85  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 72 87 73 86 73 86 72 85  
TEMP 86 73 73 77 87 75 73 79 86 75 73 77 86 75 72 77 85 75  
DEWPT 67 69 70 69 68 70 70 70 67 68 68 67 64 69 69 69 67 69  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC  
POP 12HR 30 30 20 30 50 50 50 30 30  
RAIN SHWRS SC IS SC IS IS IS IS SC SC SC SC SC SC SC SC SC SC IS  
TSTMS IS IS IS IS IS  
 

 
 
PRZ005-260815-  
NORTH CENTRAL-  
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,  
MANATI, VEGA ALTA, AND VEGA BAJA  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 78 83 89 91 67 73 77 82 86 89 68 73 76  
TEMP 86 80 78 78 80 83 87 89 84 78 73 73 75 80 85 86 82 77 73 73 75 79  
DEWPT 69 70 71 70 69 69 68 70 71 70 70 70 70 70 69 70 71 71 70 69 70 70  
RH 57 72 79 76 69 63 53 54 65 76 90 90 84 72 59 59 69 82 90 87 84 74  
WIND DIR E E E SE SE E E NE E E SE SE SE E E NE NE SE SE SE SE E  
WIND SPD 16 10 8 8 6 10 12 14 13 8 6 8 6 10 13 14 13 8 6 6 6 10  
WIND GUST 24 26 24  
CLOUDS FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW  
POP 12HR 5 20 20 40 10  
QPF 12HR 0 0.03 0.01 0.11-0.19 0.01  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC IS IS IS IS IS  
OBVIS H  
HEAT INDEX 90 83 83 87 91 94 89 82 88 91 87 81  
MAX HEAT 97 85 90 97 96 86 94 93 86  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 86 74 88 73 88 74 88 73 88  
TEMP 86 76 75 81 88 77 74 82 88 78 74 81 88 76 74 79 88 77  
DEWPT 71 70 70 71 72 71 70 72 74 70 69 69 69 70 71 70 71 70  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS FW SC FW FW SC SC FW FW SC SC B1 B1 B1 B1 SC SC SC SC  
POP 12HR 20 10 30 20 50 50 50 30 30  
RAIN SHWRS IS IS IS IS IS SC IS IS SC SC SC SC SC SC SC SC IS SC  
TSTMS IS IS IS IS IS  
 

 
 
PRZ006-260815-  
CENTRAL INTERIOR-  
INCLUDING THE CITIES OF AIBONITO, BARANQUITAS, CIALES, COAMO,  
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 65 73 78 74 85 92 65 69 72 75 83 90 66 69 74  
TEMP 83 76 74 74 75 78 82 85 81 73 69 69 70 74 80 83 79 73 70 70 71 74  
DEWPT 65 68 69 67 67 67 65 66 67 68 67 68 67 68 66 66 68 68 68 67 68 68  
RH 55 76 84 79 76 69 56 53 63 84 93 97 90 82 62 57 69 84 93 90 90 82  
WIND DIR E E E E E E E E SE E E E E E E E E NE E E E E  
WIND SPD 12 8 8 8 8 10 11 11 11 6 6 8 8 11 11 12 10 5 6 6 8 10  
CLOUDS FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC FW FW FW FW SC  
POP 12HR 5 20 20 30 10  
QPF 12HR 0 0.02 0.01 0.04-0.19 0.01  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC IS IS IS IS IS  
OBVIS H  
HEAT INDEX 85 84 88 82 81 86 81  
MAX HEAT 95 90 96 94 85 94 93 85  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 83 70 85 69 84 70 84 69 84  
TEMP 83 72 71 75 85 73 70 75 84 75 71 75 84 72 70 74 84 73  
DEWPT 67 68 68 68 68 68 68 69 69 67 67 66 64 68 68 68 67 68  
PWIND DIR E E E E E E E E E  
WIND CHAR GN LT GN GN GN GN GN GN GN  
AVG CLOUDS SC SC FW FW SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC  
POP 12HR 40 20 30 30 50 50 50 30 30  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC IS SC  
TSTMS IS IS IS IS IS IS  
 

 
 
PRZ007-260815-  
PONCE AND VICINITY-  
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,  
PONCE, AND SANTA ISABEL  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 65 75 79 77 88 94 65 70 74 78 88 92 67 72 75  
TEMP 86 79 76 76 77 81 85 88 83 76 71 71 74 79 85 88 83 76 73 73 74 79  
DEWPT 66 68 69 68 67 67 65 67 67 68 68 68 68 68 66 68 68 69 69 68 68 68  
RH 51 69 79 76 71 63 51 50 59 76 90 90 82 69 53 52 61 79 87 84 82 69  
WIND DIR SE E NE NE NE E SE SE SE E E NE NE E SE SE SE E NE NE NE E  
WIND SPD 13 8 9 10 10 12 13 14 14 8 8 9 9 12 14 16 12 6 8 9 9 11  
WIND GUST 24 26 26  
CLOUDS FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW FW FW FW SC  
POP 12HR 0 20 20 20 20  
QPF 12HR 0 0.02 0.01 0.03-0.18 0.01  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
OBVIS H  
HEAT INDEX 88 81 83 87 91 86 81 87 91 86 81  
MAX HEAT 97 85 90 98 97 88 98 96 88  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 88 72 88 71 87 73 87 72 87  
TEMP 88 76 72 79 88 76 71 78 87 77 73 78 87 75 73 78 87 76  
DEWPT 67 68 69 68 67 69 69 69 68 67 67 66 64 68 69 68 68 69  
PWIND DIR SE E SE E SE E E E E  
WIND CHAR GN GN BZ GN BZ GN BZ GN GN  
AVG CLOUDS SC SC FW FW FW SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC  
POP 12HR 30 10 30 30 50 50 50 30 30  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC IS IS  
TSTMS IS IS IS IS IS IS IS  
 

 
 
PRZ008-260815-  
NORTHWEST-  
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,  
AND QUEBRADILLAS  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 77 87 67 73 76 86 69 73 77  
TEMP 86 81 78 77 79 82 85 87 83 78 74 73 75 79 84 86 83 78 74 73 75 79  
DEWPT 70 71 70 70 69 69 68 70 71 70 70 70 70 70 69 71 71 71 71 70 69 70  
RH 59 72 76 79 72 65 57 57 67 76 87 90 84 74 61 61 67 79 90 90 82 74  
WIND DIR E E E E E E NE NE NE E SE E SE E NE E S NE E E SE E  
WIND SPD 14 11 10 9 8 11 13 14 10 6 8 9 8 11 12 11 6 4 8 8 9 10  
CLOUDS FW FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 0 30 10 40 10  
QPF 12HR 0 0.04 0.01 0.15 0.01  
RAIN SHWRS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS  
OBVIS H  
HEAT INDEX 91 85 80 85 89 92 88 81 88 91 88  
MAX HEAT 103 88 89 95 95 84 86 94 94 85 85  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 85 73 85 72 85 74 85 73 85  
TEMP 85 77 74 79 85 76 72 79 85 78 74 79 85 76 73 78 85 77  
DEWPT 71 70 69 70 73 71 70 71 74 71 69 70 71 71 71 71 71 70  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN GN GN GN GN BZ GN GN  
AVG CLOUDS FW SC FW FW FW SC FW FW SC SC SC B1 B1 B1 SC SC SC SC  
POP 12HR 20 10 30 20 40 50 50 30 30  
RAIN SHWRS IS IS IS IS SC SC IS IS SC SC SC SC SC SC SC SC SC SC  
TSTMS IS IS IS IS IS  
 

 
 
PRZ009-260815-  
WESTERN INTERIOR-  
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,  
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 67 74 79 76 84 89 65 68 72 77 85 93 67 69 73  
TEMP 85 78 75 74 75 78 82 84 80 74 69 68 70 76 82 85 81 75 71 69 71 75  
DEWPT 66 68 68 67 66 67 65 68 69 68 68 67 67 68 67 69 69 69 68 67 67 68  
RH 53 71 79 79 74 69 56 59 69 82 97 97 90 76 61 59 67 82 90 93 87 79  
WIND DIR E E E E E E E E E E E E E E E E SW E E E E E  
WIND SPD 9 5 8 8 8 11 10 9 8 4 5 6 8 11 10 8 6 3 5 8 8 10  
WIND GUST 18  
CLOUDS SC FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 0 30 10 40 10  
QPF 12HR 0 0.01-0.06 0.01 0.04-0.17 0.01  
RAIN SHWRS IS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS  
OBVIS H  
HEAT INDEX 87 80 83 87 83 84 89 84  
MAX HEAT 99 87 89 94 94 87 98 97 87  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 84 70 84 68 84 69 83 69 84  
TEMP 84 74 70 76 84 73 69 75 84 74 70 75 83 72 70 74 84 73  
DEWPT 68 68 67 68 69 69 67 69 70 67 66 67 68 68 69 69 69 68  
PWIND DIR E E E E E E E E E  
WIND CHAR LT LT GN GN GN GN GN GN GN  
AVG CLOUDS FW SC FW FW SC SC FW FW SC SC B1 B1 B1 B1 SC SC SC B1  
POP 12HR 50 10 40 20 40 50 50 30 40  
RAIN SHWRS IS SC IS IS SC SC IS IS SC SC SC SC SC SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS IS IS IS  
 

 
 
PRZ010-260815-  
MAYAGUEZ AND VICINITY-  
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,  
MOCA, RINCON, AND SAN GERMAN  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 70 77 80 81 85 87 69 73 80 82 87 91 71 74 80  
TEMP 88 83 79 78 78 81 83 85 82 78 74 73 75 80 85 87 84 79 76 74 75 79  
DEWPT 71 72 70 70 69 68 68 70 71 70 70 70 69 70 69 71 71 71 71 70 69 70  
RH 57 70 74 76 74 65 61 61 69 76 87 90 82 72 59 59 65 77 85 87 82 74  
WIND DIR SW E E E E E E NW NW N E E E E E NE E E E E E E  
WIND SPD 6 6 8 9 9 12 10 8 6 4 5 6 8 10 9 8 9 5 5 8 10 11  
WIND GUST 19  
CLOUDS SC FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 0 30 10 30 10  
QPF 12HR 0 0.01-0.06 0.01 0.04-0.16 0.01  
RAIN SHWRS IS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS  
OBVIS H  
HEAT INDEX 94 88 80 83 87 90 87 82 89 93 90 81 80  
MAX HEAT 105 98 94 94 93 87 87 98 98 92 90  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 74 87 73 86 74 85 74 86  
TEMP 86 79 74 79 87 78 73 79 86 78 74 79 85 77 74 79 86 78  
DEWPT 70 70 69 70 71 71 70 70 72 70 69 69 71 71 71 70 72 71  
PWIND DIR NE E NE E E E E E E  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS FW SC FW FW FW SC FW FW SC SC SC SC B1 B1 SC SC SC SC  
POP 12HR 50 10 40 20 30 50 50 30 40  
RAIN SHWRS IS IS IS IS SC SC IS IS SC SC SC SC SC SC SC SC SC SC  
TSTMS IS IS IS IS IS IS IS  
 

 
 
PRZ011-260815-  
SOUTHWEST-  
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 78 82 86 88 71 74 78 83 90 93 73 75 79  
TEMP 89 83 79 78 78 81 84 86 82 77 74 74 76 82 88 90 86 79 76 76 78 82  
DEWPT 70 71 70 70 69 68 67 69 70 70 70 70 70 69 69 70 71 71 71 70 70 69  
RH 54 67 74 76 74 65 57 57 67 79 87 87 82 65 54 52 61 77 85 82 76 65  
WIND DIR SE E E E E E SE SE E E E E E E SE SE SE E E E E E  
WIND SPD 13 10 8 9 8 12 13 14 12 8 8 6 9 13 16 16 9 8 8 8 9 12  
CLOUDS SC FW FW FW FW FW FW SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW  
POP 12HR 0 10 10 20 10  
QPF 12HR 0 0.01 0.01 0.03-0.08 0.01  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS  
OBVIS H  
HEAT INDEX 94 88 80 84 87 90 86 85 92 96 91 80 85  
MAX HEAT 102 89 86 92 92 83 88 98 97 86 88  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 90 75 91 74 89 75 88 75 89  
TEMP 90 79 75 81 91 79 74 81 89 79 76 80 88 79 76 82 89 80  
DEWPT 69 70 70 69 69 71 70 70 70 69 69 68 68 70 71 70 72 71  
PWIND DIR SE E SE E SE E SE E E  
WIND CHAR GN GN GN GN BZ GN BZ GN GN  
AVG CLOUDS FW SC FW FW FW SC FW SC SC B1 SC B1 B1 B1 SC SC SC SC  
POP 12HR 30 10 20 20 40 50 50 30 20  
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC IS IS  
TSTMS IS IS IS IS IS  
 

 
 
PRZ012-260815-  
CULEBRA-  
INCLUDING THE CITY OF CULEBRA  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 79 82 85 88 80 84 79  
TEMP 87 85 82 81 80 81 80 80 83 84 83 81 80 80 82 83 84 83 81 79 79 80  
DEWPT 73 73 72 72 72 72 72 72 72 73 72 72 72 72 72 72 72 72 73 72 72 72  
RH 63 67 72 74 77 74 77 77 70 70 70 74 77 77 72 70 67 70 77 79 79 77  
WIND DIR E E E E E E E E E E E E E E E E E E E E E E  
WIND SPD 14 16 16 16 14 14 14 14 14 14 14 16 14 14 14 13 12 14 14 12 12 13  
CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 40 40 40 30  
QPF 12HR 0.01 0.04 0.04 0.12 0.03  
RAIN SHWRS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC  
OBVIS H  
HEAT INDEX 95 91 86 83 82 84 81 83 88 89 88 86 83 83 86 88 89 89 85 80 81 82  
MAX HEAT 97 94 94 93 96 96 90 92 94 92 92  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 85 79 85 79 85 80 85 79 86  
TEMP 81 85 80 81 84 85 80 80 83 83 80 83 83 83 80 83 84 82  
DEWPT 72 73 73 73 73 74 74 73 73 72 72 72 72 73 72 72 72 72  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ BZ  
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC  
POP 12HR 30 30 30 40 50 50 50 30 30  
RAIN SHWRS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS  
TSTMS IS IS IS IS  
 

 
 
PRZ013-260815-  
VIEQUES-  
INCLUDING THE CITY OF VIEQUES  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 78 86 79 84 78  
TEMP 85 82 79 80 80 81 80 81 84 85 82 79 79 80 81 82 84 84 81 79 79 81  
DEWPT 73 73 72 72 72 72 72 72 72 72 72 72 72 71 72 72 72 72 72 72 71 71  
RH 67 74 79 77 77 74 77 74 67 65 72 79 79 74 74 72 67 67 74 79 77 72  
WIND DIR E E E E E E E E E E E E E E E E E E E E E E  
WIND SPD 13 13 14 13 13 14 14 13 13 12 13 13 14 14 14 13 12 12 13 12 11 13  
CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 40 40 40 30  
QPF 12HR 0.01 0.04 0.04 0.12 0.03  
RAIN SHWRS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC  
OBVIS H  
HEAT INDEX 92 84 81 81 83 83 82 83 89 91 87 81 80 82 84 85 89 89 86 80 83  
MAX HEAT 99 97 94 94 94 94 91 92 92 92 92  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 85 79 86 79 87 80 86 80 87  
TEMP 83 84 80 81 85 85 79 82 85 82 81 82 83 85 81 82 86 84  
DEWPT 72 73 72 72 73 73 73 73 72 72 71 71 72 73 72 72 72 72  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN BZ BZ BZ GN BZ GN BZ  
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC  
POP 12HR 30 30 30 30 50 50 50 30 30  
RAIN SHWRS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS  
TSTMS IS IS IS IS  
 

 
 
VIZ001-260815-  
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-  
INCLUDING THE CITIES OF ANNA'S RETREAT, CHARLOTTE AMALIE,  
CHARLOTTE AMALIE EAST, CHARLOTTE AMALIE WEST, AND CRUZ BAY  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 78 86 77 82 87 88 77  
TEMP 85 82 80 79 79 79 82 83 85 85 85 84 80 78 81 85 86 84 81 79 79 80  
DEWPT 72 72 71 71 71 71 71 71 71 72 72 71 71 71 71 71 71 72 72 71 71 71  
RH 65 72 74 77 77 77 69 67 63 65 65 65 74 79 72 63 61 67 74 77 77 74  
WIND DIR E E E E E E E E E E E E E E E E E E E E E E  
WIND SPD 14 14 14 14 14 14 16 16 14 14 14 14 16 14 14 13 13 13 13 13 13 14  
CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 40 40 40 30  
QPF 12HR 0.01 0.03 0.05 0.10-0.15 0.03  
RAIN SHWRS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC  
OBVIS H  
HEAT INDEX 91 85 82 80 80 86 87 90 90 91 88 83 85 90 91 88 84 80 80 81  
MAX HEAT 100 96 94 94 94 96 92 95 96 96 95  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 77 87 79 85 77 86 76 87  
TEMP 83 86 79 81 85 85 80 82 83 83 78 82 82 83 78 83 80 82  
DEWPT 71 72 72 72 72 73 73 72 72 72 70 70 71 72 72 71 71 71  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ BZ  
AVG CLOUDS SC SC SC SC SC SC SC SC B1 SC B1 B1 B1 SC SC SC SC SC  
POP 12HR 30 30 30 50 50 50 50 30 30  
RAIN SHWRS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS  
TSTMS IS IS IS IS IS IS  
 

 
 
VIZ002-260815-  
ST CROIX-  
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,  
FREDERIKSTED SOUTHEAST, AND GROVE PLACE  
322 PM AST THU MAY 25 2017  
 
DATE 05/25/17 FRI 05/26/17 SAT 05/27/17 SUN  
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08  
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12  
 
MIN/MAX 74 81 86 87 74 75 80 82 87 88 76  
TEMP 86 81 77 74 75 78 82 85 85 83 80 77 76 78 81 84 87 85 81 77 77 79  
DEWPT 73 72 72 72 71 72 72 71 71 72 72 72 71 71 71 71 72 72 72 72 71 71  
RH 65 74 85 93 87 82 72 63 63 70 77 85 85 79 72 65 61 65 74 85 82 77  
WIND DIR E E NE NE E E E E E E E E E E E E E E E NE E E  
WIND SPD 13 13 13 13 13 14 14 14 13 13 12 13 14 16 14 13 12 12 12 12 12 14  
CLOUDS FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 10 20 20 30 30  
QPF 12HR 0.01 0.02 0.01 0.11 0.03  
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC  
OBVIS H  
HEAT INDEX 93 85 81 86 90 91 89 84 84 89 93 91 85 81  
MAX HEAT 98 94 93 94 94 92 91 95 96 95 93  
 
DATE 05/28 MON 05/29/17 TUE 05/30/17 WED 05/31/17 THU 06/01/17  
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 87 76 87 77 86 75 86 76 86  
TEMP 85 83 77 82 85 86 78 80 83 82 79 79 78 81 81 80 81 84  
DEWPT 72 73 73 73 73 73 73 73 72 72 70 71 71 72 72 72 72 72  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ BZ  
AVG CLOUDS SC SC SC SC SC SC B1 B1 B1 SC B1 B1 B1 SC SC SC SC SC  
POP 12HR 30 30 50 50 50 50 50 30 30  
RAIN SHWRS SC IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS  
TSTMS IS IS IS IS IS IS IS IS  
 

 
 
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