146  
FOCA52 TJSJ 262103  
PFMSJU  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE SAN JUAN PR  
503 PM AST FRI JUL 26 2024  
 
PRZ001-270800-  
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN  
18.43N 66.00W ELEV. 9 FT  
503 PM AST FRI JUL 26 2024  
 
DATE 07/26/24 SAT 07/27/24 SUN 07/28/24 MON  
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 81 90 79 88 80  
TEMP 84 83 81 82 86 89 90 87 83 81 79 80 84 87 88 86 83 81 80 81 86  
DEWPT 78 78 78 77 77 77 77 77 77 77 76 75 76 76 76 76 77 76 76 76 76  
RH 82 85 91 85 75 68 66 72 82 88 91 85 77 70 68 72 82 85 88 85 72  
WIND DIR E E E E E E E NE E E E E E E E E E E E E E  
WIND SPD 11 11 10 9 9 11 11 12 10 9 6 6 8 12 13 12 9 9 9 6 8  
CLOUDS SC B1 SC SC SC SC SC SC SC B1 B1 B1 B2 B2 SC SC B2 B2 B2 B2 B1  
POP 12HR 20 20 50 50 50  
QPF 12HR 0.02 0.05 0.23 0.21 0.19  
RAIN SHWRS S S S S S S S C C C C C S S C C C C C  
OBVIS H H H H H H H H H H H  
HEAT INDEX 96 92 90 90 98102103 99 92 88 84 85 94 98 99 96 91 88 86 88 96  
MAX HEAT 101 94 98 105 103 90 94 99 99 91 96  
 
DATE 07/29 TUE 07/30/24 WED 07/31/24 THU 08/01/24 FRI 08/02/24  
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 90 80 90 79 89 79 89 79 88  
TEMP 90 83 80 86 90 83 79 85 89 82 80 85 89 82 80 85 88 84  
DEWPT 77 77 76 76 76 77 77 77 77 77 77 77 77 77 77 77 77 77  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN GN GN GN BZ BZ GN GN  
AVG CLOUDS B1 B1 B2 B2 SC SC B2 B2 B2 B1 B1 B1 B1 B2 B1 B1 B1 SC  
POP 12HR 60 60 50 60 60 40 70 60 60  
RAIN SHWRS C L L L C C C L L C C C L L C L L C  
TSTMS S S S S S S S S S S S  
 

 
PRZ002-270800-  
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR  
18.25N 65.63W ELEV. 39 FT  
503 PM AST FRI JUL 26 2024  
 
DATE 07/26/24 SAT 07/27/24 SUN 07/28/24 MON  
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 84 90 82 90 80  
TEMP 86 85 84 85 88 90 90 88 85 83 82 83 87 89 90 88 83 82 80 81 86  
DEWPT 78 78 77 77 77 78 78 77 77 77 76 76 76 77 77 77 76 76 76 76 77  
RH 77 80 80 77 70 68 68 70 77 82 82 80 70 68 66 70 80 82 88 85 75  
WIND DIR E E E E E E E NE NE NE E E E E E E E E E E E  
WIND SPD 12 13 12 11 10 9 8 8 11 10 8 8 10 10 11 10 9 12 11 10 11  
CLOUDS SC B1 SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 SC SC B2 B2 B2 B2 B1  
POP 12HR 20 40 50 50 50  
QPF 12HR 0.03 0.08 0.24 0.24 0.19  
RAIN SHWRS S S S S S S S C C C C C C C C C C C C C  
OBVIS H H H H H H H H  
HEAT INDEX 98 97 94 95100104105100 95 93 90 91 97102103 99 92 89 86 88 97  
MAX HEAT 102 98 100 105 104 94 97 103 103 91 97  
 
DATE 07/29 TUE 07/30/24 WED 07/31/24 THU 08/01/24 FRI 08/02/24  
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 90 83 90 81 89 82 89 79 89  
TEMP 90 85 83 87 90 84 81 86 89 84 82 86 89 82 80 85 89 86  
DEWPT 77 76 76 76 77 77 77 77 78 77 77 77 78 77 77 77 78 77  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN GN GN BZ BZ BZ GN GN  
AVG CLOUDS B1 B1 B2 B2 B1 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 SC  
POP 12HR 60 60 60 60 60 60 70 70 70  
RAIN SHWRS C L L L C L L L L L L L L L C L L C  
TSTMS S S S S S S S S S S S S S S S  
 

 
PRZ007-270800-  
MERCEDITA AIRPORT-PONCE PR  
18.02N 66.56W ELEV. 26 FT  
503 PM AST FRI JUL 26 2024  
 
DATE 07/26/24 SAT 07/27/24 SUN 07/28/24 MON  
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 92 77 91 75  
TEMP 82 80 79 80 86 91 92 88 82 80 78 79 85 90 91 87 80 78 76 77 85  
DEWPT 74 74 74 73 75 76 76 76 74 74 74 73 74 76 76 75 74 73 73 69 70  
RH 77 82 85 79 70 62 60 68 77 82 88 82 70 64 62 68 82 85 90 76 61  
WIND DIR E NE NE NE E SE SE SE E NE NE NE NE E SE E E NE E E E  
WIND SPD 8 6 5 4 6 14 16 12 6 5 4 4 4 14 14 13 9 5 4 4 5  
WIND GUST 27 26  
CLOUDS FW SC SC SC SC FW SC SC SC CL CL CL FW FW B2 B2 CL CL CL CL CL  
POP 12HR 10 20 10 30 0  
QPF 12HR 0 0.04 0 0.09 0  
RAIN SHWRS S S S S C C  
OBVIS H H H H H H H H H H H H H H H H H H  
HEAT INDEX 89 85 84 96103105 99 88 84 93102103 96 85 89  
MAX HEAT 99 88 96 105 104 87 93 103 102 84 89  
 
DATE 07/29 TUE 07/30/24 WED 07/31/24 THU 08/01/24 FRI 08/02/24  
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 91 77 91 75 90 76 89 76 90  
TEMP 91 82 78 85 91 80 76 84 90 81 77 84 89 80 77 85 90 83  
DEWPT 70 70 73 75 75 73 73 74 76 75 74 76 76 75 74 75 76 75  
PWIND DIR E E E NE E E E E E  
WIND CHAR GN LT GN LT GN LT GN LT GN  
AVG CLOUDS FW SC SC SC SC SC SC SC B1 SC SC SC SC SC SC SC SC SC  
POP 12HR 30 30 30 50 50 30 20 20 40  
RAIN SHWRS S C C C C C S C C C C C S S S S C C  
TSTMS S S  
 

 
PRZ008-270800-  
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR  
18.50N 67.13W ELEV. 237 FT  
503 PM AST FRI JUL 26 2024  
 
DATE 07/26/24 SAT 07/27/24 SUN 07/28/24 MON  
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 88 79 88 77  
TEMP 82 81 79 80 84 87 88 86 82 81 79 80 84 87 88 85 81 79 77 78 84  
DEWPT 77 78 78 77 75 75 76 76 76 77 77 77 74 75 76 75 74 76 76 76 74  
RH 85 91 97 91 74 68 68 72 82 88 94 91 72 68 68 72 79 91 97 94 72  
WIND DIR E E E E E E NE NE E E E E E E NE NE E E E E E  
WIND SPD 21 18 16 12 8 11 13 14 16 14 13 13 13 16 14 12 17 13 13 11 11  
CLOUDS FW FW FW FW SC SC CL CL CL SC CL CL FW FW SC SC FW FW FW FW CL  
POP 12HR 5 0 10 20 5  
QPF 12HR 0 0 0.01 0.05 0  
RAIN SHWRS S S S S  
OBVIS H H H H H H H H H H H H H H H H H H H H  
HEAT INDEX 91 89 85 87 93 97 99 96 89 87 84 87 92 97 99 94 86 91  
MAX HEAT 98 90 93 99 98 88 92 99 98 85 91  
 
DATE 07/29 TUE 07/30/24 WED 07/31/24 THU 08/01/24 FRI 08/02/24  
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 88 78 88 77 86 78 86 78 87  
TEMP 88 81 78 84 88 81 77 82 86 81 78 83 86 81 78 84 87 82  
DEWPT 76 75 76 74 76 75 77 75 76 76 77 75 76 76 77 75 76 75  
PWIND DIR E E E E E E E E E  
WIND CHAR GN GN BZ GN BZ BZ BZ GN GN  
AVG CLOUDS FW B1 SC SC SC B2 SC SC SC B1 SC SC SC B2 B1 SC SC B1  
POP 12HR 50 10 60 30 40 20 70 40 60  
RAIN SHWRS C C S S L L C C C C S S L L C C L L  
TSTMS S S S S S S S S  
 

 
PRZ010-270800-  
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR  
18.27N 67.15W ELEV. 28 FT  
503 PM AST FRI JUL 26 2024  
 
DATE 07/26/24 SAT 07/27/24 SUN 07/28/24 MON  
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 91 77 91 75  
TEMP 83 80 79 80 86 90 91 88 82 79 78 79 85 90 91 87 80 78 76 77 85  
DEWPT 79 78 76 75 77 79 80 78 78 77 76 74 77 79 80 78 77 76 75 74 77  
RH 88 94 91 85 75 70 70 72 88 94 94 85 77 70 70 75 91 94 97 90 77  
WIND DIR E E E E E E SW NE NE NE NE E E E E E NE E E E E  
WIND SPD 5 8 6 5 2 2 5 3 10 10 10 10 10 4 5 2 10 6 5 5 4  
CLOUDS SC FW CL CL FW FW SC SC CL CL CL CL FW FW OV OV CL CL CL CL CL  
POP 12HR 5 30 5 70 0  
QPF 12HR 0 0.07 0 0.55 0  
RAIN SHWRS S C L L  
TSTMS S S  
OBVIS H H H H H H H H H H H H H H H H H  
HEAT INDEX 94 88 84 97106109101 91 84 96106109100 87 95  
MAX HEAT 104 92 97 109 108 89 96 109 108 84 95  
 
DATE 07/29 TUE 07/30/24 WED 07/31/24 THU 08/01/24 FRI 08/02/24  
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 91 76 91 75 90 76 89 76 90  
TEMP 91 81 77 85 91 80 76 84 90 81 77 84 89 80 77 85 90 83  
DEWPT 79 77 75 77 78 77 75 77 80 78 76 78 79 78 76 78 79 77  
PWIND DIR E E E E E E E E E  
WIND CHAR LT LT LT LT LT GN GN LT LT  
AVG CLOUDS FW SC SC FW SC B1 SC SC B1 B1 SC SC SC B1 B1 SC SC B1  
POP 12HR 40 10 60 30 60 20 60 40 60  
RAIN SHWRS C C S S L L S C L L S S C C C C L L  
TSTMS S S S S S S S S  
 

 
VIZ001-270800-  
CYRIL E. KING AIRPORT-ST THOMAS USVI  
18.33N 64.97W ELEV. 23 FT  
503 PM AST FRI JUL 26 2024  
 
DATE 07/26/24 SAT 07/27/24 SUN 07/28/24 MON  
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 83 87 82 91 80  
TEMP 86 84 83 84 85 87 87 86 84 83 82 83 87 90 91 88 84 82 80 81 86  
DEWPT 78 78 77 77 77 77 77 76 77 77 77 76 76 76 76 77 77 76 76 76 77  
RH 77 82 82 80 77 72 72 72 80 82 85 80 70 64 62 70 80 82 88 85 75  
WIND DIR E E E E E E E NE NE E E E E E E E E E E E E  
WIND SPD 18 20 18 16 12 8 9 12 16 16 16 14 13 14 12 13 14 19 17 17 17  
CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 SC SC B2 B2 B2 B2 SC  
POP 12HR 20 30 50 50 50  
QPF 12HR 0.02 0.07 0.19 0.20 0.19  
RAIN SHWRS S S S S S S S C S C C C C S S C C C C C  
OBVIS H H H H H H H H H H H  
HEAT INDEX 98 96 93 93 96 98 99 96 93 92 90 91 98102103101 93 89 86 88 97  
MAX HEAT 103 97 96 99 98 93 98 103 103 92 97  
 
DATE 07/29 TUE 07/30/24 WED 07/31/24 THU 08/01/24 FRI 08/02/24  
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 90 82 90 81 87 81 87 81 90  
TEMP 90 85 82 87 90 84 81 85 87 83 81 85 87 83 81 87 90 85  
DEWPT 76 76 76 77 76 77 77 77 77 78 78 78 77 78 77 77 77 77  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ BZ WY WY WY BZ BZ  
AVG CLOUDS B1 B1 B2 B2 SC B1 B2 B2 B2 B1 B2 B2 B2 B1 SC B1 B1 SC  
POP 12HR 60 60 60 60 60 60 60 60 60  
RAIN SHWRS C L L L C L L L L L L L L C C L L C  
TSTMS S S S S S S S S S S S S S S  
 

 
VIZ002-270800-  
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI  
17.70N 64.80W ELEV. 74 FT  
503 PM AST FRI JUL 26 2024  
 
DATE 07/26/24 SAT 07/27/24 SUN 07/28/24 MON  
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 82 90 81 91 79  
TEMP 86 84 82 83 87 89 90 88 84 83 81 82 87 90 91 88 83 81 79 81 86  
DEWPT 78 77 77 77 77 77 77 77 77 77 76 76 77 77 77 76 77 76 76 76 77  
RH 77 80 85 82 72 68 66 70 80 82 85 82 72 66 64 68 82 85 91 85 75  
WIND DIR E E E E E E E E NE E E E E E E E E E E E E  
WIND SPD 17 18 18 14 14 13 10 10 10 13 12 12 12 14 12 12 12 16 14 13 14  
CLOUDS SC SC FW FW SC SC CL CL SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC  
POP 12HR 20 20 30 40 40  
QPF 12HR 0.02 0.02 0.07 0.06 0.15  
RAIN SHWRS S S S S C S S S S S S C C C C C  
OBVIS H H H H H H H H H H H H H  
HEAT INDEX 98 94 91 92 98102103100 94 91 88 90 99103105 99 92 87 84 87 97  
MAX HEAT 105 97 98 105 103 93 99 105 104 91 97  
 
DATE 07/29 TUE 07/30/24 WED 07/31/24 THU 08/01/24 FRI 08/02/24  
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 91 81 91 80 88 80 89 79 91  
TEMP 91 84 81 87 91 84 80 85 88 83 80 86 89 82 80 86 91 85  
DEWPT 76 77 76 76 76 77 77 77 78 77 77 78 78 78 77 78 77 77  
PWIND DIR E E E E E E E E E  
WIND CHAR BZ BZ BZ GN BZ BZ BZ BZ BZ  
AVG CLOUDS SC SC B2 B2 SC B1 B2 B2 B2 B1 B2 B2 B2 B1 B2 B1 B1 SC  
POP 12HR 60 60 60 60 60 60 60 50 40  
RAIN SHWRS C L L L C L L L L L L L L C C C C S  
TSTMS S S S S S S S S S S S S S S S  
 

 
 
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