Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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683 FOCA52 TJSJ 132103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Tue May 13 2025 PRZ001-140800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Tue May 13 2025 Date 05/13/25 Wed 05/14/25 Thu 05/15/25 Fri 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 76 86 76 88 76 Temp 80 78 76 77 82 85 86 83 79 78 76 77 83 87 88 85 80 78 76 77 83 Dewpt 72 73 73 72 73 74 74 74 74 74 74 74 74 75 75 75 74 75 74 74 74 RH 77 85 90 85 74 70 68 74 85 88 94 90 74 68 66 72 82 91 94 90 74 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 13 11 11 13 14 16 13 12 11 10 11 11 13 13 11 9 9 8 9 6 Clouds SC FW FW FW SC SC SC SC FW FW FW FW SC SC SC SC B2 B2 B2 B2 B2 PoP 12hr 50 50 20 60 60 QPF 12hr 0.06 0.65 0.09 0.51 0.20 Rain shwrs S S S S C C C C S S S S S S C C L L L L L Tstms S S S S S S S Heat index 83 87 92 94 90 83 90 96 98 93 85 90 Max heat 90 87 94 94 90 98 97 83 90 Date 05/16 Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 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 76 88 77 86 76 86 Temp 88 79 75 83 89 80 76 83 88 81 77 82 86 79 76 82 86 79 Dewpt 75 74 74 74 75 74 74 74 75 74 74 74 75 74 75 75 76 74 PWind dir E E E E E E E SE E Wind char GN GN GN LT LT LT LT LT GN Avg clouds B2 OV B2 B2 B2 OV B1 B1 B2 B2 SC B1 B2 B1 B1 B1 B2 B2 PoP 12hr 80 70 80 50 70 50 50 50 50 Rain shwrs D D L L D D C C L L C C C C C C C C Tstms C C S C C C S S S S S S S S S S $$ PRZ002-140800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Tue May 13 2025 Date 05/13/25 Wed 05/14/25 Thu 05/15/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 87 78 88 78 Temp 81 80 78 79 83 86 87 84 81 79 78 79 84 87 88 85 81 80 78 79 83 Dewpt 73 73 73 73 74 74 75 74 74 74 74 74 75 75 76 75 75 75 74 74 75 RH 77 79 85 82 74 68 68 72 79 85 88 85 74 68 68 72 82 85 88 85 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 16 16 14 13 16 16 16 16 16 14 14 14 14 14 12 11 11 11 11 13 11 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 PoP 12hr 50 50 50 60 60 QPF 12hr 0.09 0.66 0.29 0.58 0.20 Rain shwrs S S S S C C C C C C C C C C C C L L L L L Tstms S S S S S S Heat index 86 84 82 90 94 96 92 86 83 83 91 96 98 94 87 84 90 Max heat 92 85 90 96 95 85 91 98 98 86 90 Date 05/16 Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 76 87 76 88 78 88 75 87 Temp 86 79 76 82 87 80 76 83 88 81 78 84 88 79 75 82 87 79 Dewpt 75 74 74 74 75 74 74 74 75 74 74 75 75 74 74 75 75 74 PWind dir E E E E E E E E E Wind char GN GN GN LT LT LT LT LT LT Avg clouds B2 OV B2 B2 B2 OV B2 B2 B2 B2 SC B1 B2 B2 B2 B2 B2 B2 PoP 12hr 80 70 80 50 60 60 60 60 60 Rain shwrs D D L L D D C C L L C L L L L L L L Tstms C C S C C C S S S S S S S S S S S $$ PRZ007-140800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Tue May 13 2025 Date 05/13/25 Wed 05/14/25 Thu 05/15/25 Fri 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 88 75 88 75 Temp 80 77 75 77 83 87 88 84 79 77 75 77 83 87 88 84 79 77 75 77 83 Dewpt 69 69 68 68 68 69 71 71 71 70 70 70 71 71 71 71 71 72 71 71 71 RH 69 76 79 74 61 55 57 65 77 79 84 79 67 59 57 65 77 85 87 82 67 Wind dir E E NE NE E E E E E E E E E E E E E E E E E Wind spd 10 8 6 6 8 14 14 13 8 6 6 8 10 12 12 11 9 5 5 6 5 Wind gust 26 Clouds CL FW CL CL CL SC SC CL FW FW CL CL CL CL SC SC SC SC SC SC SC PoP 12hr 5 40 5 50 50 QPF 12hr 0.03 0.22 0.03 0.38 0.13 Rain shwrs S C S S S C C C C C C S Heat index 83 86 91 94 89 83 87 92 94 89 83 88 Max heat 89 86 94 93 87 94 93 88 Date 05/16 Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 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 89 73 90 74 89 75 88 75 88 Temp 89 78 73 83 90 79 74 83 89 80 75 83 88 79 75 83 88 79 Dewpt 69 69 69 70 70 70 67 66 70 70 69 69 72 72 70 70 73 73 PWind dir E E E E E E E E E Wind char LT LT GN LT LT LT LT LT GN Avg clouds SC B1 SC SC FW B1 SC SC SC B1 SC SC B1 B1 SC SC B1 B2 PoP 12hr 40 20 40 10 50 30 40 30 70 Rain shwrs C C S S C C S S C C S C C C C C L L Tstms S S S S S S S S S S $$ PRZ008-140800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Tue May 13 2025 Date 05/13/25 Wed 05/14/25 Thu 05/15/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 85 75 84 75 Temp 78 76 75 76 81 84 85 82 78 77 75 76 80 83 84 81 78 76 75 76 80 Dewpt 72 73 73 72 71 73 74 74 73 73 73 73 72 73 75 74 74 74 74 73 73 RH 82 90 94 87 72 70 70 77 85 87 94 90 77 72 74 79 88 94 97 90 79 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 14 16 16 17 18 17 20 17 13 16 14 13 11 9 13 5 5 5 4 3 1 Clouds FW CL CL FW FW SC SC SC FW FW FW FW CL CL B2 B2 SC SC SC SC SC PoP 12hr 10 50 5 70 50 QPF 12hr 0.03 0.72 0.04 1.03 0.15 Rain shwrs S S S C C C S S S S L L C C C C C Tstms S S S S Heat index 85 90 92 88 84 89 92 87 85 Max heat 86 85 92 92 84 92 91 85 Date 05/16 Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 73 84 74 84 75 84 75 83 Temp 84 77 73 79 84 77 74 80 84 78 75 80 84 78 75 80 83 78 Dewpt 74 72 72 72 74 72 73 72 74 73 74 73 74 73 74 73 75 73 PWind dir E E NE E NE E NE E NE Wind char LT GN LT LT LT GN GN GN BZ Avg clouds B1 B1 SC SC FW SC SC SC FW B1 SC SC B1 B1 SC SC SC B1 PoP 12hr 40 20 20 20 40 30 50 20 50 Rain shwrs C C S S S S S S C C S C C C S S C C Tstms S S S S S S S S $$ PRZ010-140800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Tue May 13 2025 Date 05/13/25 Wed 05/14/25 Thu 05/15/25 Fri 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 72 91 72 89 72 Temp 78 75 73 74 83 89 91 86 78 75 73 74 82 87 89 84 78 75 73 74 83 Dewpt 74 73 72 71 74 76 78 77 75 74 73 72 74 76 78 77 76 75 73 73 75 RH 88 94 97 90 74 66 66 75 91 97100 93 77 70 70 80 94100100 97 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 3 5 6 8 5 3 2 6 4 6 6 5 4 4 2 1 3 3 8 6 3 Clouds CL CL CL CL CL SC B2 SC FW FW FW FW CL CL B2 B2 SC SC SC SC SC PoP 12hr 5 60 5 60 30 QPF 12hr 0.02 0.75 0.03 0.54 0.09 Rain shwrs C L C S S S S L L C C C C S Tstms S S S Heat index 90100106 97 88 98102 94 90 Max heat 92 90 106 105 88 102 101 90 Date 05/16 Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 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 70 90 72 90 72 90 72 89 Temp 90 77 71 82 90 78 73 83 90 78 73 83 90 78 73 82 89 78 Dewpt 78 75 71 75 78 75 73 75 78 75 73 75 78 76 74 75 78 76 PWind dir E E E E NE E E E E Wind char LT LT LT LT LT LT LT GN GN Avg clouds B1 B1 CL CL SC B1 SC FW FW SC SC SC B1 B1 SC SC B1 B2 PoP 12hr 70 0 50 10 40 20 60 20 60 Rain shwrs L L C C S S C C S S L L S S L L Tstms C C S S S S S S S S $$ VIZ001-140800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Tue May 13 2025 Date 05/13/25 Wed 05/14/25 Thu 05/15/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 87 78 87 78 Temp 81 79 77 78 83 86 87 84 81 79 78 79 83 86 87 84 81 79 78 79 83 Dewpt 74 74 73 73 74 75 75 75 74 75 75 74 75 76 76 75 76 75 75 75 76 RH 79 85 87 85 74 70 68 74 79 88 91 85 77 72 70 74 85 88 91 88 80 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 23 23 23 21 21 20 21 21 21 20 21 20 20 18 17 18 19 20 19 21 20 Clouds FW FW SC FW SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 PoP 12hr 30 30 30 60 60 QPF 12hr 0.05 0.31 0.22 0.53 0.20 Rain shwrs S S S S C C S S C C C C C C C C L L L L L Tstms S S S S S Heat index 86 90 94 96 92 86 84 83 91 96 98 93 87 84 90 Max heat 92 84 90 96 96 85 91 98 97 86 90 Date 05/16 Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 77 86 79 87 78 87 78 87 Temp 86 80 77 82 86 81 79 84 87 81 78 83 87 81 78 83 87 81 Dewpt 76 75 75 75 75 75 75 76 76 75 75 76 76 76 76 76 76 75 PWind dir E E E E E E E E E Wind char BZ BZ GN LT LT GN GN LT GN Avg clouds B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 80 70 70 60 60 60 60 60 60 Rain shwrs D D L L L L L L L L L L L L L L L L Tstms C C S C C C S S S S S S S S S S S S $$ VIZ002-140800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Tue May 13 2025 Date 05/13/25 Wed 05/14/25 Thu 05/15/25 Fri 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 88 78 89 78 Temp 81 79 77 78 83 87 88 85 81 80 78 79 84 88 89 86 82 80 78 79 83 Dewpt 74 74 74 74 75 75 76 75 75 75 75 75 76 76 76 76 75 76 75 75 76 RH 79 85 90 88 77 68 68 72 82 85 91 88 77 68 66 72 79 88 91 88 80 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 19 18 19 19 20 20 19 19 19 18 17 16 16 13 16 18 18 18 19 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 PoP 12hr 40 50 50 60 60 QPF 12hr 0.09 0.36 0.33 0.58 0.20 Rain shwrs C S C S C S S S C C C C C C C C L L L L L Tstms S S S S S Heat index 86 91 96 98 94 87 84 83 93 98101 95 88 85 83 91 Max heat 94 85 91 98 98 86 93 101 100 87 91 Date 05/16 Sat 05/17/25 Sun 05/18/25 Mon 05/19/25 Tue 05/20/25 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 76 88 76 88 77 87 Temp 87 80 76 82 87 80 76 83 88 80 76 83 88 81 77 83 87 80 Dewpt 76 75 75 76 76 75 75 76 76 75 75 76 77 76 76 77 77 75 PWind dir E E E E E E E E E Wind char GN GN GN LT LT GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 70 70 70 60 60 60 60 60 60 Rain shwrs L L L L L L L L L L L L L L L L L L Tstms C C S C C S S S S S S S S S S S S S $$