979  
FOCA52 TJSJ 282103  
PFMSJU  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE SAN JUAN PR  
503 PM AST THU MAR 28 2024  
 
PRZ001-290800-  
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN  
18.43N 66.00W ELEV. 9 FT  
503 PM AST THU MAR 28 2024  
 
DATE 03/28/24 FRI 03/29/24 SAT 03/30/24 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 75 86 75 86 77  
TEMP 79 77 76 75 80 85 86 82 79 77 76 75 80 85 86 83 80 79 78 77 80  
DEWPT 66 67 66 66 67 67 67 67 66 66 66 67 68 68 69 70 70 71 70 69 69  
RH 64 71 71 74 65 55 53 61 64 69 71 76 67 57 57 65 72 77 76 76 69  
WIND DIR NW W W NW W NW NW NW NW N N N NE NE NE NE NE NE NE NE NE  
WIND SPD 10 9 9 9 8 11 10 9 5 5 6 4 3 5 8 9 6 9 10 10 12  
CLOUDS FW FW SC CL CL SC SC CL CL CL CL CL SC SC FW FW SC SC SC SC B1  
POP 12HR 10 10 30 30 40  
QPF 12HR 0.01 0.02 0.02 0.05 0.04  
RAIN SHWRS S S S S S C C S S S S S S C  
HEAT INDEX 82 87 89 85 83 88 90 87 83 83  
MAX HEAT 84 82 89 89 83 90 90 83 83  
HIGH SURF  
 
DATE 03/31 MON 04/01/24 TUE 04/02/24 WED 04/03/24 THU 04/04/24  
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 77 86 78 87 77 87 79 87  
TEMP 83 79 77 82 86 81 78 83 87 81 78 83 87 82 79 83 87 81  
DEWPT 70 69 68 68 69 68 68 67 68 68 68 68 70 71 71 72 72 73  
PWIND DIR NE NE NE E E E E SE E  
WIND CHAR BZ GN BZ GN GN GN GN LT GN  
AVG CLOUDS B1 B1 B1 B1 SC SC B1 B1 SC FW CL CL FW FW CL CL CL FW  
POP 12HR 40 40 40 30 30 5 10 0 10  
RAIN SHWRS C C C C C C C C C S S S S  
 

 
PRZ002-290800-  
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR  
18.25N 65.63W ELEV. 39 FT  
503 PM AST THU MAR 28 2024  
 
DATE 03/28/24 FRI 03/29/24 SAT 03/30/24 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 71 86 76 85 77  
TEMP 76 74 73 72 78 83 85 82 79 78 77 76 80 84 85 82 80 78 78 77 81  
DEWPT 67 67 67 67 68 69 69 69 68 68 67 67 69 70 70 70 71 71 72 70 71  
RH 74 79 81 84 71 63 59 65 69 71 71 74 69 63 61 67 74 79 82 79 72  
WIND DIR NW NW NW W W NW NW NW N N N N N NE NE NE NE NE NE NE NE  
WIND SPD 6 9 8 9 8 5 4 4 6 8 9 9 5 6 8 9 9 10 11 11 12  
CLOUDS FW FW SC CL CL SC SC CL CL CL CL CL SC SC FW FW SC SC SC SC B1  
POP 12HR 10 20 20 30 50  
QPF 12HR 0.02 0.03 0.01 0.05 0.06  
RAIN SHWRS S S S S S S C S S S S S S C  
HEAT INDEX 86 89 85 82 83 88 90 86 83 84  
MAX HEAT 82 89 89 83 90 89 83 84  
HIGH SURF  
 
DATE 03/31 MON 04/01/24 TUE 04/02/24 WED 04/03/24 THU 04/04/24  
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 77 85 78 86 77 86 78 86  
TEMP 85 80 77 81 85 81 78 82 86 80 78 82 86 81 78 82 86 80  
DEWPT 71 70 70 71 71 70 69 69 70 70 70 70 71 72 73 73 74 74  
PWIND DIR NE NE NE NE E E E E SE  
WIND CHAR GN GN BZ GN GN GN GN GN LT  
AVG CLOUDS B1 SC B1 B1 SC SC B1 B1 SC FW CL CL FW FW CL FW FW FW  
POP 12HR 50 40 40 40 40 5 10 10 20  
RAIN SHWRS C C C C C C C C C S S S S S S  
 

 
PRZ007-290800-  
MERCEDITA AIRPORT-PONCE PR  
18.02N 66.56W ELEV. 26 FT  
503 PM AST THU MAR 28 2024  
 
DATE 03/28/24 FRI 03/29/24 SAT 03/30/24 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 68 86 77 86 77  
TEMP 78 76 75 74 80 84 86 83 80 79 78 77 81 85 86 83 80 79 78 77 81  
DEWPT 61 62 62 62 62 61 62 62 63 63 63 63 64 65 66 67 68 68 68 67 66  
RH 56 62 64 66 54 46 45 49 56 58 60 62 56 51 51 59 67 69 71 71 60  
WIND DIR N NW NW N N S SW SW N N N N N E SE SE N NE NE NE NE  
WIND SPD 8 5 4 3 2 8 11 6 2 6 5 4 2 5 9 3 3 5 4 6 9  
CLOUDS CL CL CL CL CL CL CL SC CL CL CL CL CL SC FW FW SC SC SC SC SC  
POP 12HR 0 10 0 30 30  
QPF 12HR 0 0.01 0 0.03 0.05  
RAIN SHWRS S S S S C C C C C  
HEAT INDEX 81 84 86 84 82 83 87 88 85 83 83  
MAX HEAT 82 81 86 86 81 83 88 88 82 83  
 
DATE 03/31 MON 04/01/24 TUE 04/02/24 WED 04/03/24 THU 04/04/24  
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 77 86 78 87 77 87 79 87  
TEMP 86 80 78 82 86 81 78 83 87 81 78 83 87 82 79 83 87 81  
DEWPT 64 64 61 61 65 66 65 63 64 63 62 62 65 68 67 66 67 69  
PWIND DIR NE NE NE NE E NE E E SE  
WIND CHAR GN GN GN GN GN LT GN LT LT  
AVG CLOUDS B1 B1 SC SC B1 B1 FW FW SC FW CL CL FW FW CL CL FW SC  
POP 12HR 60 30 60 5 10 0 10 0 5  
RAIN SHWRS L L S C L L S S S S S S S  
 

 
PRZ008-290800-  
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR  
18.50N 67.13W ELEV. 237 FT  
503 PM AST THU MAR 28 2024  
 
DATE 03/28/24 FRI 03/29/24 SAT 03/30/24 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 73 83 74 81 74  
TEMP 75 74 73 73 76 80 81 79 77 75 74 74 77 80 81 79 77 75 74 74 77  
DEWPT 64 65 66 66 63 63 64 65 65 66 67 68 66 67 68 70 69 70 70 68 66  
RH 69 74 79 79 64 56 56 62 67 74 79 82 69 65 65 74 76 84 87 82 69  
WIND DIR NW NW NW NW NW NW NW N N N N NE NE NE NE NE NE NE NE NE NE  
WIND SPD 10 10 11 10 9 11 10 10 8 8 9 10 10 9 13 14 13 12 14 18 18  
CLOUDS CL CL CL CL CL CL CL CL CL CL SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 0 0 30 30 20  
QPF 12HR 0 0 0.07 0.07 0.02  
RAIN SHWRS S C C C S S S S S S S  
HEAT INDEX 81 83 82 84  
MAX HEAT 83 83 84 84  
HIGH SURF  
 
DATE 03/31 MON 04/01/24 TUE 04/02/24 WED 04/03/24 THU 04/04/24  
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 81 74 81 75 82 74 82 75 82  
TEMP 81 77 74 78 81 77 75 79 82 77 74 78 82 78 75 79 82 77  
DEWPT 67 68 68 65 67 67 68 65 66 68 68 66 68 70 71 68 70 72  
PWIND DIR NE NE NE E NE E E E NE  
WIND CHAR BZ BZ BZ BZ BZ GN LT LT LT  
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW CL CL FW FW CL CL FW SC  
POP 12HR 20 10 40 10 10 0 10 0 10  
RAIN SHWRS S S S S C C S S S S S S S S  
 

 
PRZ010-290800-  
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR  
18.27N 67.15W ELEV. 28 FT  
503 PM AST THU MAR 28 2024  
 
DATE 03/28/24 FRI 03/29/24 SAT 03/30/24 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 85 76 85 76  
TEMP 77 75 74 73 79 83 85 82 79 78 77 76 80 84 85 82 79 78 77 76 80  
DEWPT 66 67 66 66 67 69 69 69 68 67 67 67 68 71 73 73 71 71 69 68 70  
RH 69 76 76 79 67 63 59 65 69 69 71 74 67 65 67 74 77 79 76 76 72  
WIND DIR N N N N N NW NW N N N NE NE NE NE NE NE NE NE NE NE NE  
WIND SPD 9 9 9 9 8 10 12 12 9 8 9 9 8 2 4 9 11 9 10 11 14  
CLOUDS CL CL CL CL CL CL CL CL CL CL SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 0 0 30 30 30  
QPF 12HR 0 0 0.05 0.06 0.04  
RAIN SHWRS S S C C S S C C C C S  
HEAT INDEX 87 89 85 82 83 89 92 87 82 84  
MAX HEAT 83 89 89 83 92 91 84  
HIGH SURF  
 
DATE 03/31 MON 04/01/24 TUE 04/02/24 WED 04/03/24 THU 04/04/24  
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 76 85 77 86 76 86 78 86  
TEMP 85 79 77 81 85 80 77 82 86 80 77 82 86 81 78 82 86 80  
DEWPT 72 70 68 68 71 70 67 68 71 70 68 68 73 72 71 71 75 74  
PWIND DIR NE NE NE NE E E E E SE  
WIND CHAR BZ GN GN GN GN GN LT LT LT  
AVG CLOUDS SC SC SC SC SC B1 FW FW SC SC CL CL FW SC CL CL FW SC  
POP 12HR 40 10 50 5 40 0 20 0 10  
RAIN SHWRS C C S S C C C C S S S S  
 

 
VIZ001-290800-  
CYRIL E. KING AIRPORT-ST THOMAS USVI  
18.33N 64.97W ELEV. 23 FT  
503 PM AST THU MAR 28 2024  
 
DATE 03/28/24 FRI 03/29/24 SAT 03/30/24 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 75 84 76 85 77  
TEMP 78 77 76 75 79 83 84 81 79 78 77 76 80 84 85 82 80 78 78 77 81  
DEWPT 68 69 69 69 70 70 70 69 69 69 69 68 69 69 71 70 71 71 72 71 71  
RH 71 76 79 82 74 65 63 67 72 74 76 76 69 61 63 67 74 79 82 82 72  
WIND DIR NW NW NW NW NW NW NW NW NW N N N N NE NE NE NE NE NE NE NE  
WIND SPD 18 16 14 16 13 10 9 13 14 12 13 13 11 8 8 11 14 17 17 16 18  
CLOUDS FW FW SC SC SC SC SC CL CL CL CL CL CL SC FW FW SC SC SC SC SC  
POP 12HR 20 20 0 30 30  
QPF 12HR 0.05 0.04 0 0.04 0.04  
RAIN SHWRS S S S S S S S S S S C C C C S  
HEAT INDEX 82 87 88 84 82 83 88 90 86 83 85  
MAX HEAT 84 82 88 88 83 90 89 83 85  
 
DATE 03/31 MON 04/01/24 TUE 04/02/24 WED 04/03/24 THU 04/04/24  
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 77 85 78 86 77 86 78 86  
TEMP 85 80 77 81 85 81 78 82 86 80 78 82 86 81 78 82 86 81  
DEWPT 72 71 71 71 71 70 70 69 70 70 70 71 72 72 73 74 75 74  
PWIND DIR NE NE NE NE E E E E SE  
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ GN  
AVG CLOUDS SC SC B1 B1 SC SC SC SC SC SC SC FW FW FW CL FW FW FW  
POP 12HR 40 40 20 20 20 10 10 10 10  
RAIN SHWRS S C C C S S S S S S S S S S S S S  
 

 
VIZ002-290800-  
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI  
17.70N 64.80W ELEV. 74 FT  
503 PM AST THU MAR 28 2024  
 
DATE 03/28/24 FRI 03/29/24 SAT 03/30/24 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 87 76 86 76  
TEMP 77 76 74 74 80 85 87 83 79 77 77 76 81 85 86 83 80 78 77 76 81  
DEWPT 68 68 67 67 68 68 69 67 68 68 68 68 67 67 68 68 69 70 70 70 71  
RH 74 76 79 79 67 57 55 59 69 74 74 76 63 55 55 61 69 76 79 82 72  
WIND DIR W NW NW NW NW NW W NW NW N N N N NE NE NE NE NE NE NE NE  
WIND SPD 6 5 10 11 12 10 10 11 10 10 12 11 10 10 10 12 13 14 16 16 16  
CLOUDS FW FW SC CL CL SC SC SC CL CL CL CL CL CL CL CL SC SC SC SC B1  
POP 12HR 10 20 0 30 40  
QPF 12HR 0.02 0.04 0 0.01 0.06  
RAIN SHWRS S S S S S S C C C C C  
HEAT INDEX 83 89 91 86 83 88 90 86 82 84  
MAX HEAT 83 83 91 90 83 90 89 84  
 
DATE 03/31 MON 04/01/24 TUE 04/02/24 WED 04/03/24 THU 04/04/24  
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 76 86 77 87 76 87 78 87  
TEMP 86 80 77 82 86 80 78 83 87 80 77 82 87 81 79 83 87 81  
DEWPT 71 71 71 71 71 70 69 69 70 70 70 71 71 72 72 73 74 73  
PWIND DIR NE NE NE NE NE E E E E  
WIND CHAR BZ BZ BZ BZ GN BZ BZ GN GN  
AVG CLOUDS B1 SC B1 B1 SC SC SC SC SC SC SC FW FW SC SC SC SC SC  
POP 12HR 40 40 20 20 20 10 10 10 10  
RAIN SHWRS C C C C S S S S S S S S S S S S S S  
 

 
 
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