Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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822 FOCA52 TJSJ 280903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Mon Apr 28 2025 PRZ001-282000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 76 87 74 85 Temp 82 87 88 85 80 78 77 77 82 86 87 83 79 77 75 75 80 84 85 82 78 Dewpt 73 74 74 74 74 74 74 73 73 73 74 73 73 73 73 72 72 73 73 72 72 RH 74 65 63 70 82 88 90 87 74 65 65 72 82 87 94 90 77 70 67 72 82 Wind dir E E E E E E E E E NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 4 8 10 9 8 5 5 4 5 10 9 9 6 5 4 5 5 8 9 6 6 Clouds SC B2 B2 B2 B2 SC SC B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 60 50 50 60 60 QPF 12hr 0.48 0.26 0.42 0.38 0.81 Rain shwrs S C L C C S S C C C C C C C C C L L C C L Tstms S S S S S S S S S S S Heat index 87 95 97 93 84 87 93 95 89 84 90 92 87 Max heat 87 97 97 84 87 95 95 84 92 92 Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 86 75 86 74 86 74 86 Temp 75 81 86 79 75 81 86 78 74 81 86 78 74 81 86 78 Dewpt 72 72 73 72 71 71 71 70 70 70 71 70 71 71 72 71 PWind dir NE NE NE NE E E E E Wind char LT LT LT GN LT GN LT GN Avg clouds B2 B2 B2 B1 B1 B1 B1 SC SC SC B1 SC SC SC B1 B1 PoP 12hr 60 60 40 40 40 40 40 40 Rain shwrs L L L C C C C S S C C C S C C C Tstms S S S $$ PRZ002-282000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 76 85 74 85 Temp 81 85 86 83 80 78 77 77 81 84 85 82 78 76 75 75 80 84 85 82 78 Dewpt 74 74 74 74 74 73 74 73 73 74 74 73 73 73 72 72 73 73 73 72 72 RH 79 70 68 74 82 85 90 87 77 72 70 74 85 90 90 90 79 70 67 72 82 Wind dir E E E E NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 8 8 9 8 6 6 6 6 8 9 9 6 5 6 6 8 5 8 8 5 3 Clouds SC B2 B2 SC B2 SC SC SC B2 B1 SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 50 60 60 60 60 QPF 12hr 0.34 0.19 0.33 0.36 0.81 Rain shwrs S C C C C S S C L C C C C C C C L L C C L Tstms S S S S S S S S S Heat index 86 93 94 90 84 86 91 93 87 84 90 92 87 Max heat 86 94 94 86 93 93 84 92 92 Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 85 75 85 75 85 74 85 Temp 75 81 85 78 75 81 85 78 75 81 85 78 74 80 85 78 Dewpt 72 73 73 72 72 71 71 71 70 71 71 70 71 72 72 71 PWind dir NE NE NE NE NE NE NE E Wind char LT LT LT GN LT LT LT GN Avg clouds B2 B2 B2 B2 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 60 50 50 50 50 50 50 Rain shwrs L L L L C C C C C C C C C C C C Tstms S S S S $$ PRZ007-282000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 73 88 73 86 Temp 81 86 88 84 78 76 74 74 81 86 88 84 78 76 74 74 80 85 86 82 77 Dewpt 68 71 71 71 71 70 69 67 67 69 71 72 70 70 70 69 69 69 71 70 70 RH 65 61 57 65 79 82 84 79 63 57 57 67 76 82 87 84 69 59 61 67 79 Wind dir E SE SE E E NE NE NE E SE SE E N NE NE NE NE E E E NE Wind spd 2 9 8 6 3 3 3 3 3 11 11 6 2 4 3 4 3 9 9 3 1 Clouds SC SC B2 B1 B2 SC SC SC FW SC OV B2 SC SC SC SC SC SC OV OV SC PoP 12hr 60 60 80 30 70 QPF 12hr 0.39 0.17 0.85 0.06 0.43 Rain shwrs S S C C L S S S C D L S S S S C C L L S Tstms S S S S S S Heat index 84 91 94 89 83 90 94 90 83 89 91 86 Max heat 84 94 94 83 94 95 83 91 91 Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 87 73 88 71 87 72 87 Temp 72 81 87 78 73 82 88 77 72 80 87 77 72 81 87 77 Dewpt 69 69 70 69 68 68 70 69 68 68 71 70 68 68 71 70 PWind dir NE E NE E NE E NE E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC B1 B1 SC SC SC B1 SC FW FW B1 SC SC B1 B1 PoP 12hr 20 60 20 50 10 40 20 60 Rain shwrs S S L L S S C C S S C C S S L L Tstms S S S S $$ PRZ008-282000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 73 83 73 82 Temp 79 82 83 80 77 75 74 74 79 82 83 80 77 75 74 74 78 81 82 79 76 Dewpt 71 73 74 73 73 73 74 73 71 73 73 73 72 73 73 72 71 72 72 72 71 RH 77 74 74 79 87 94100 97 77 74 72 79 85 94 97 93 79 74 72 79 85 Wind dir E NE NE NE NE E E E E NE NE NE NE E NE NE NE NE NE NE NE Wind spd 6 4 3 4 8 11 10 10 11 12 13 9 10 10 11 11 11 9 12 11 10 Clouds SC SC B2 B1 SC B2 B1 SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC PoP 12hr 50 50 30 30 50 QPF 12hr 0.33 0.23 0.22 0.06 0.22 Rain shwrs C S C C S C C S S S S C C C C C S S C C S Tstms S S S S Heat index 87 90 84 87 89 84 85 87 Max heat 90 89 89 89 87 87 Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 82 73 82 72 83 72 83 Temp 73 78 82 76 73 78 82 75 72 78 83 76 72 78 83 76 Dewpt 72 72 72 71 71 69 70 70 71 69 70 70 71 69 71 70 PWind dir NE NE NE NE E NE E NE Wind char GN GN GN BZ GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC CL FW SC SC SC SC SC B1 PoP 12hr 20 40 10 40 10 40 10 50 Rain shwrs S S C C S S C C S C C S S C C $$ PRZ010-282000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 71 88 71 88 Temp 81 86 88 83 77 74 72 72 81 86 88 83 77 74 72 72 81 86 88 83 77 Dewpt 74 77 78 76 74 73 72 71 74 77 78 76 74 73 72 72 74 76 77 75 73 RH 79 75 72 80 90 97100 97 79 75 72 80 90 97100100 79 72 70 77 87 Wind dir NE SW W NE NE NE NE NE E NE SE E NE NE NE NE NE NE NE NE NE Wind spd 2 4 4 4 4 6 5 5 5 2 3 2 8 8 9 9 8 1 3 4 6 Clouds SC B2 OV OV SC SC SC SC FW SC B2 B2 SC SC SC SC SC SC OV OV FW PoP 12hr 80 20 60 20 70 QPF 12hr 1.02 0.05 0.47 0.03 0.55 Rain shwrs S C D L S S S S C L C S S S S S S L L S Tstms S S S S S S S Heat index 86 97102 91 86 97102 91 86 96100 90 Max heat 86 102 99 86 102 100 86 100 98 Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 87 71 88 71 88 71 88 Temp 72 80 87 76 71 81 88 77 72 81 88 77 72 81 88 77 Dewpt 71 72 77 73 71 72 74 72 70 71 74 73 71 72 75 73 PWind dir NE NE NE NE NE NE E NE Wind char LT LT GN LT GN LT LT LT Avg clouds FW SC B1 B1 SC SC SC B1 FW FW SC B1 SC SC SC B2 PoP 12hr 20 60 10 60 0 50 20 70 Rain shwrs S S L L S S L L C C S S L L Tstms S S S S S S $$ VIZ001-282000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 78 87 76 86 Temp 83 87 88 85 82 80 79 79 83 86 87 84 80 78 77 77 82 85 86 83 80 Dewpt 75 74 74 74 74 75 74 74 74 74 74 73 74 73 74 73 73 73 73 73 73 RH 77 65 63 70 77 85 85 85 74 68 65 70 82 85 90 87 74 67 65 72 79 Wind dir E E E E E E E E E E E NE NE NE NE NE E E NE NE NE Wind spd 12 12 10 9 11 11 12 12 12 11 9 8 9 11 10 11 11 10 8 9 6 Clouds SC SC B2 SC SC SC SC SC SC SC SC B1 SC SC SC SC B1 B1 SC SC SC PoP 12hr 50 30 40 40 40 QPF 12hr 0.15 0.11 0.26 0.13 0.23 Rain shwrs S S C S S S S C S S C C C C C C C C C C C Tstms S Heat index 90 95 97 93 88 85 90 94 95 90 84 87 92 93 89 84 Max heat 90 97 97 86 90 95 95 87 93 93 Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 86 77 86 77 86 77 87 Temp 77 82 86 80 77 82 86 80 77 82 86 80 77 83 87 80 Dewpt 73 73 73 73 72 72 72 71 71 71 72 71 71 72 72 72 PWind dir NE NE NE NE NE E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC B1 B1 B1 SC SC SC SC B2 B1 SC B1 SC SC SC SC PoP 12hr 40 50 30 50 50 40 30 30 Rain shwrs C C C C C C C C C C C C C C C C $$ VIZ002-282000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Mon Apr 28 2025 Date Mon 04/28/25 Tue 04/29/25 Wed 04/30/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 76 88 74 87 Temp 83 87 88 85 80 78 77 77 83 87 88 84 79 77 75 75 81 86 87 83 78 Dewpt 75 75 75 75 74 74 74 74 75 75 74 73 74 73 73 73 74 74 74 73 73 RH 77 68 66 72 82 88 90 90 77 68 63 70 85 87 94 94 79 68 65 72 85 Wind dir E E E E E E E E E E E E NE NE NE NE E E E NE NE Wind spd 12 12 10 10 10 10 10 11 12 12 10 8 8 10 9 10 10 9 8 8 9 Clouds SC SC SC B1 SC SC B1 SC SC SC SC B1 B2 B2 B2 B2 SC SC B1 B1 B2 PoP 12hr 40 40 50 50 50 QPF 12hr 0.12 0.14 0.30 0.11 0.18 Rain shwrs S S C C S S C C C C C C C C C C S S C C C Tstms S S S S S Heat index 90 96 98 94 84 90 96 97 90 86 94 95 89 Max heat 90 98 98 84 90 98 97 86 95 95 Date Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 Sun 05/04/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 87 75 87 75 88 75 87 Temp 74 82 87 79 75 82 87 79 75 83 88 79 75 82 87 79 Dewpt 72 73 74 73 73 73 72 72 71 71 72 72 72 73 73 72 PWind dir NE NE NE NE NE E E E Wind char LT LT LT GN GN GN LT GN Avg clouds B2 B1 B1 SC SC SC B1 B2 B2 B1 SC B1 B2 B1 B1 B1 PoP 12hr 50 40 40 60 60 50 50 40 Rain shwrs C C C C S C L L L L C C C C C C Tstms S S S S S S $$