FOCA52 TJSJ 120903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Mon May 12 2025 PRZ001-122000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 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 87 76 87 76 88 Temp 83 86 87 84 80 78 76 77 82 86 87 84 80 78 76 77 83 87 88 85 80 Dewpt 73 74 74 73 72 72 72 71 71 72 72 72 72 73 73 72 73 73 74 74 73 RH 72 68 65 70 77 82 87 82 69 63 61 67 77 85 90 85 72 63 63 70 79 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 12 16 16 14 12 13 12 11 13 16 17 13 11 11 10 10 13 17 17 12 11 Clouds SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW SC SC FW PoP 12hr 30 30 30 10 40 QPF 12hr 0.40 0.10 0.34 0.02 0.44 Rain shwrs S S S S C S S S S C C C S S S S S S C C S Heat index 89 94 95 90 83 87 92 94 90 83 89 94 97 92 84 Max heat 89 95 95 87 94 93 89 97 96 Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 76 89 78 90 77 89 77 88 Temp 76 84 89 82 78 85 90 81 77 84 89 81 77 83 88 81 Dewpt 74 74 75 75 74 75 75 74 74 74 75 74 74 74 75 74 PWind dir E E E E E E E E Wind char GN GN LT LT LT LT LT LT Avg clouds FW SC SC B1 SC SC B1 B2 SC SC B1 B2 SC B1 B1 B1 PoP 12hr 20 40 40 60 30 60 40 50 Rain shwrs S S C C S C L L C C L L C C C C Tstms S S S S S S $$ PRZ002-122000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 79 88 78 87 Temp 85 87 88 85 82 80 79 80 84 87 88 85 81 80 78 79 83 86 87 84 81 Dewpt 73 74 74 73 72 72 72 71 72 72 73 73 72 73 73 73 74 74 74 74 73 RH 67 65 63 67 72 77 79 74 67 61 61 67 74 79 85 82 74 68 65 72 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 13 14 16 14 14 14 13 13 16 16 16 14 13 13 13 13 17 16 17 12 12 Clouds SC SC SC SC SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC PoP 12hr 40 40 40 20 40 QPF 12hr 0.51 0.17 0.33 0.05 0.47 Rain shwrs C C C S C C S C C C C C S S S S S S C C C Heat index 91 96 97 92 87 84 83 84 90 94 96 92 86 83 82 90 94 95 92 86 Max heat 91 97 96 86 90 96 95 85 90 95 95 Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 88 78 88 76 88 75 88 Temp 78 84 88 81 78 84 88 80 76 83 88 79 75 83 88 79 Dewpt 74 75 75 75 74 75 75 74 74 74 75 74 74 74 75 74 PWind dir E E E E E E E E Wind char GN GN GN GN LT LT LT LT Avg clouds SC B1 B1 B1 SC B1 B1 B2 B1 B1 B1 B2 SC B1 B2 B2 PoP 12hr 50 50 40 60 40 60 50 60 Rain shwrs C C C C C C L L C C L L C C L L Tstms S S S S S S $$ PRZ007-122000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 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 90 74 89 75 89 Temp 84 88 90 86 79 77 74 76 83 87 89 85 80 77 75 77 83 87 89 85 80 Dewpt 72 74 74 73 72 71 69 69 68 68 69 70 69 69 69 69 69 70 71 71 71 RH 67 63 60 65 79 82 84 79 61 53 52 61 69 76 82 76 63 57 56 63 74 Wind dir E E E E E E NE NE E E E E E NE E E E E E E E Wind spd 8 16 18 14 9 8 5 6 8 16 17 14 9 6 5 6 8 13 14 12 9 Wind gust 26 29 25 26 28 25 24 25 Clouds CL FW SC SC FW FW CL CL CL CL FW FW CL CL CL CL CL CL FW FW CL PoP 12hr 30 5 10 5 10 QPF 12hr 0.45 0.01 0.09 0.01 0.11 Rain shwrs S C S S S S S S S Heat index 90 97 99 92 83 86 91 93 90 83 87 92 95 90 83 Max heat 90 99 99 86 93 93 87 95 94 Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 89 77 90 75 90 75 89 Temp 75 83 89 81 77 85 90 80 75 84 90 80 75 83 89 80 Dewpt 70 72 72 72 71 72 70 70 68 70 69 69 69 70 71 70 PWind dir E E E E E E E E Wind char LT GN LT LT LT LT LT LT Avg clouds CL FW FW FW FW FW SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 5 5 10 30 20 30 30 50 Rain shwrs S C C S S C C S C C C Tstms S S $$ PRZ008-122000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 74 85 75 84 Temp 81 84 85 82 78 76 74 75 80 84 85 82 78 77 75 76 80 83 84 81 78 Dewpt 73 73 74 73 72 72 72 72 70 71 72 72 72 72 72 72 71 73 74 73 73 RH 77 70 70 74 82 87 93 90 72 65 65 72 82 85 90 87 74 72 72 77 85 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 13 16 20 21 19 18 18 19 19 20 21 16 17 16 13 14 14 14 14 12 17 Clouds CL CL FW FW FW FW CL CL CL CL SC SC FW FW CL FW CL CL B2 B2 FW PoP 12hr 10 5 20 5 60 QPF 12hr 0.18 0.01 0.20 0.01 0.63 Rain shwrs S S S S S S S S S L L S Tstms S S Heat index 86 90 93 87 84 89 91 87 84 89 91 87 Max heat 86 93 92 84 91 91 84 91 90 Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 85 77 84 75 84 75 84 Temp 75 81 85 80 77 81 84 78 75 80 84 78 75 80 84 78 Dewpt 73 72 74 74 74 72 74 72 73 72 74 72 73 72 75 74 PWind dir E E E E E E E E Wind char GN GN LT LT GN LT LT LT Avg clouds FW FW SC SC SC SC SC B1 SC SC SC B1 SC SC B1 B1 PoP 12hr 5 40 10 40 20 40 20 60 Rain shwrs S S C C S S C C S S C C S S L L Tstms S S $$ PRZ010-122000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 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 92 72 90 72 90 Temp 85 90 92 86 79 75 73 74 83 88 90 85 78 75 73 74 83 88 90 85 78 Dewpt 74 76 77 77 75 73 72 71 72 75 75 76 74 73 71 71 74 76 77 77 74 RH 70 64 62 75 88 94 97 90 70 66 62 75 88 94 93 90 74 68 66 77 88 Wind dir E E S SE E E E E E E E E E E E E E E E E E Wind spd 4 2 4 4 5 6 9 10 10 5 4 4 4 4 5 5 4 2 5 4 6 Clouds CL FW OV SC FW CL CL CL CL CL SC SC CL CL CL CL CL CL SC SC CL PoP 12hr 80 5 50 5 50 QPF 12hr 1.17 0.01 1.10 0.01 0.53 Rain shwrs S D C S C C C C Tstms S S S S Heat index 92102106 98 88 97101 94 89 99103 95 Max heat 92 106 105 88 101 100 89 103 102 Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 90 74 90 72 90 72 90 Temp 73 83 90 79 74 83 90 78 73 83 90 78 73 83 90 78 Dewpt 72 75 78 75 74 75 78 75 73 75 78 75 73 75 79 76 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds CL CL SC B1 FW FW B1 B2 SC SC B1 B2 SC SC B1 B2 PoP 12hr 5 60 10 80 10 80 30 80 Rain shwrs L L S D D S S D D S C D D Tstms S S C C C C C C $$ VIZ001-122000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 78 88 79 88 Temp 84 87 88 85 81 80 78 79 84 87 88 85 82 80 79 80 84 87 88 85 82 Dewpt 75 74 75 74 74 73 73 72 73 73 74 73 74 74 74 73 74 74 75 74 74 RH 74 65 66 70 79 79 85 79 70 63 63 67 77 82 85 79 72 65 66 70 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 19 20 20 20 20 23 20 20 19 19 19 20 21 23 23 23 20 21 21 21 23 Clouds FW SC SC FW FW FW FW FW SC CL SC FW FW FW FW FW FW FW SC SC SC PoP 12hr 20 30 30 10 30 QPF 12hr 0.28 0.04 0.20 0.02 0.24 Rain shwrs S S S S S S S S C S S S S S S S S S S C Heat index 92 95 98 93 87 83 82 90 95 96 93 88 85 83 84 92 96 98 93 88 Max heat 92 98 97 86 90 96 96 87 92 98 97 Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 87 80 86 78 86 78 87 Temp 79 84 87 82 80 84 86 81 78 83 86 81 78 83 87 81 Dewpt 74 75 76 75 75 76 76 76 75 76 75 75 75 76 76 75 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ GN GN GN LT Avg clouds SC SC SC SC SC SC B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 30 30 30 60 50 60 60 60 Rain shwrs C C C S S C L L C C L L L L L L Tstms S S S S S S S S $$ VIZ002-122000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Mon May 12 2025 Date Mon 05/12/25 Tue 05/13/25 Wed 05/14/25 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 89 77 89 78 88 Temp 84 88 89 86 81 79 77 78 84 88 89 86 82 80 78 79 84 87 88 85 81 Dewpt 75 76 75 75 73 73 72 72 74 74 74 74 74 74 74 74 75 75 75 74 74 RH 74 68 64 70 77 82 85 82 72 63 61 68 77 82 88 85 74 68 66 70 79 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 18 19 19 19 18 19 16 16 19 18 19 19 18 18 17 17 18 18 19 17 17 Clouds FW SC SC SC FW SC FW SC SC FW FW FW SC FW FW SC SC SC SC SC SC PoP 12hr 20 30 40 40 40 QPF 12hr 0.38 0.05 0.18 0.06 0.37 Rain shwrs S S S S S S S S C S S S C S S S S S C C C Heat index 93 99 99 94 86 91 97 98 94 88 84 83 92 96 98 93 87 Max heat 93 100 99 85 91 98 98 86 92 98 97 Date Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 78 89 79 87 76 87 76 88 Temp 78 84 89 82 79 84 87 80 76 82 87 80 76 83 88 79 Dewpt 75 76 76 75 75 76 76 76 75 76 76 75 75 76 76 75 PWind dir E E E E E E E E Wind char BZ BZ BZ GN GN GN GN LT Avg clouds SC B1 B1 SC SC SC B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 50 50 30 60 50 60 60 60 Rain shwrs C C C S S C L L C C L L L L L L Tstms S S S S S S S S $$