Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
820 FOCA52 TJSJ 242103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sat May 24 2025 PRZ001-250800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue 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 89 77 89 77 Temp 80 78 76 78 84 88 89 86 81 79 77 78 84 88 89 86 81 79 77 78 84 Dewpt 73 73 73 73 73 74 74 74 74 74 74 74 74 75 75 75 75 75 74 75 75 RH 79 85 90 85 70 63 61 68 79 85 90 88 72 66 64 70 82 88 90 91 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 11 11 11 10 12 16 14 13 10 10 10 10 10 14 16 13 9 8 8 8 10 Clouds SC SC SC B2 SC SC SC SC SC SC OV B2 SC SC SC SC SC SC SC SC SC PoP 12hr 60 30 70 30 30 QPF 12hr 0.19 0.08 0.34 0.13 0.07 Rain shwrs S S C L S S C C S S L L C C C C C C C C S Obvis H Heat index 85 90 96 98 94 86 91 97 99 94 87 92 Max heat 92 83 90 98 97 85 91 99 99 85 92 Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 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 77 88 77 88 77 89 77 89 Temp 89 81 77 83 88 81 77 83 88 81 77 84 89 81 77 84 89 82 Dewpt 75 74 74 74 74 73 74 74 75 74 74 74 75 75 75 75 76 76 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 30 30 30 30 30 30 30 20 40 Rain shwrs S C C C C C C C C C C C C S S C C $$ PRZ002-250800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 87 77 87 77 Temp 81 79 78 79 83 86 87 84 80 79 77 78 83 86 87 84 80 79 77 78 82 Dewpt 73 73 73 73 74 74 74 74 74 74 74 74 75 75 76 75 75 75 74 75 76 RH 77 82 85 82 74 68 65 72 82 85 90 88 77 70 70 74 85 88 90 91 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 13 14 13 13 13 16 14 12 11 10 12 11 12 13 12 11 10 10 10 10 11 Clouds SC SC OV OV SC SC SC SC B1 SC OV B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 80 40 80 50 50 QPF 12hr 0.33 0.08 0.56 0.19 0.14 Rain shwrs S S L D S S C S C C D L C C C C C C C C C Heat index 86 83 82 90 94 95 91 85 90 95 98 92 86 90 Max heat 91 85 90 95 95 84 90 98 97 84 90 Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 77 87 77 86 78 87 77 87 Temp 86 80 77 83 87 80 77 82 86 81 78 83 87 80 77 83 87 81 Dewpt 75 74 74 74 74 73 74 74 75 74 74 75 75 75 75 76 76 76 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 SC B2 B1 SC B1 B2 B1 SC SC B2 B1 SC SC B2 B2 B1 B1 PoP 12hr 50 50 50 50 50 50 50 50 60 Rain shwrs C C C C C C C C C C C C C C C C C L $$ PRZ007-250800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue 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 91 75 91 76 Temp 80 78 75 77 84 89 91 87 80 78 75 77 84 89 91 87 81 78 76 78 85 Dewpt 71 71 71 70 72 74 74 74 73 72 71 71 73 75 75 75 74 73 72 72 73 RH 74 79 87 79 67 61 58 65 79 82 87 82 70 64 60 68 79 85 87 82 67 Wind dir E NE NE NE E E SE E NE NE NE NE E E E E E E E E E Wind spd 8 6 5 5 9 14 19 14 8 5 5 6 8 14 17 13 8 5 5 4 5 Wind gust 25 32 25 25 28 Clouds FW FW FW SC SC SC B1 SC FW FW FW SC FW FW B1 B1 SC SC SC SC CL PoP 12hr 30 40 10 40 10 QPF 12hr 0.03 0.10 0.01 0.11 0.02 Rain shwrs C S S C S S S S C C S S S S Obvis H H H H H H H Heat index 84 90 98101 95 85 91100102 96 86 92 Max heat 94 83 90 101 100 83 91 102 101 85 92 Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 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 91 74 90 75 90 75 90 75 89 Temp 91 80 75 83 90 80 75 84 90 80 75 84 90 80 75 83 89 81 Dewpt 76 74 72 72 74 73 71 72 75 73 71 73 75 75 73 75 76 73 PWind dir E NE E NE E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW FW CL CL CL CL FW FW FW CL CL CL FW CL FW FW SC SC PoP 12hr 5 0 5 5 0 0 0 20 20 Rain shwrs S S S $$ PRZ008-250800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 86 75 86 75 Temp 79 77 75 76 81 85 86 83 79 77 75 76 81 85 86 83 79 77 75 76 81 Dewpt 73 73 73 73 73 73 73 74 73 74 74 74 73 74 75 74 74 74 74 75 73 RH 82 87 94 90 77 67 65 74 82 90 97 94 77 70 70 74 85 90 97 97 77 Wind dir E E E E E E NE E E E E E E E E E E E E E E Wind spd 21 17 14 14 14 17 20 18 20 17 14 11 12 13 14 17 16 10 10 10 12 Clouds FW SC SC SC SC FW FW SC SC SC FW SC FW FW B2 B2 SC SC SC SC FW PoP 12hr 30 30 20 50 20 QPF 12hr 0.06 0.07 0.02 0.29 0.04 Rain shwrs S S C C S S S S C C S S S S Obvis H H H H H H H Heat index 87 91 93 89 87 92 95 89 87 Max heat 89 87 94 93 87 95 94 87 Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 75 85 75 85 75 86 75 87 Temp 86 79 75 81 85 78 75 81 85 78 75 81 86 79 75 82 87 80 Dewpt 75 73 74 73 74 73 73 73 74 73 73 73 75 74 74 73 75 75 PWind dir E E E E E E E E E Wind char GN BZ BZ BZ GN GN GN GN GN Avg clouds SC B2 SC SC FW SC FW FW SC B1 SC FW SC B1 SC SC SC SC PoP 12hr 70 30 20 5 70 5 40 30 40 Rain shwrs L L C C S S L L S S C C C C C C Tstms S S S S $$ PRZ010-250800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue 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 91 73 91 74 Temp 79 76 74 75 84 89 91 86 79 76 74 75 84 89 91 86 80 77 75 76 84 Dewpt 75 73 72 71 74 76 78 77 75 75 73 72 75 77 78 77 76 75 74 73 76 RH 88 90 93 87 72 66 66 75 88 97 97 90 74 68 66 75 88 94 97 90 77 Wind dir E E E NE E E SE SE E E E E E E E E E E E E E Wind spd 4 6 5 6 5 2 4 4 6 6 6 5 5 3 2 2 4 4 3 4 4 Clouds B1 FW FW FW FW B1 OV OV B1 FW FW FW FW FW B2 B2 SC SC SC SC CL PoP 12hr 40 80 40 60 20 QPF 12hr 0.09 0.75 0.03 0.60 0.04 Rain shwrs C C L D C L L S S S S Tstms S S S S Obvis H H H H H H H Heat index 84 91100106 97 83 91102106 98 85 93 Max heat 98 91 106 105 91 106 105 93 Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 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 91 74 90 73 91 74 91 74 91 Temp 91 80 75 83 90 79 74 84 91 80 75 84 91 80 75 84 91 81 Dewpt 78 76 74 75 77 75 72 74 78 75 73 75 78 76 74 76 78 77 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B2 SC SC SC B1 FW FW SC B2 SC FW SC B2 SC SC SC B1 PoP 12hr 70 20 70 0 70 10 70 10 70 Rain shwrs L L S S L L L L S S L L S S L L Tstms S S S S S S S S S S $$ VIZ001-250800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 89 79 88 79 Temp 82 80 79 80 85 88 89 86 82 81 79 80 84 87 88 85 82 80 79 80 84 Dewpt 75 75 75 74 75 75 75 75 75 76 76 76 76 77 77 77 77 76 77 76 76 RH 79 85 88 82 72 66 64 70 79 85 91 88 77 72 70 77 85 88 94 88 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 19 21 20 20 19 18 18 18 16 19 18 18 18 18 17 17 16 16 16 16 17 Clouds SC SC B1 SC SC SC SC SC SC SC B2 B1 SC SC SC SC SC SC SC SC B1 PoP 12hr 40 30 50 30 40 QPF 12hr 0.10 0.04 0.16 0.13 0.05 Rain shwrs S C C S S S S S C C C C C C C C S S S S C Obvis H H H H Heat index 89 86 83 85 93 98 99 95 89 87 84 86 93 99100 96 90 86 84 86 93 Max heat 94 88 93 99 99 88 93 100 100 89 93 Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 79 88 79 88 79 89 79 88 Temp 88 82 79 84 88 82 79 84 88 82 79 85 89 82 79 84 88 83 Dewpt 76 76 75 75 75 75 75 75 75 75 76 76 76 76 77 77 78 77 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 SC SC SC SC SC B2 B1 SC FW CL FW SC SC B1 B1 B1 SC PoP 12hr 40 20 50 50 10 10 40 50 50 Rain shwrs C S S S S C C C S S S S C C C C C $$ VIZ002-250800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sat May 24 2025 Date 05/24/25 Sun 05/25/25 Mon 05/26/25 Tue 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 89 77 89 77 Temp 82 80 78 79 84 88 89 86 81 79 77 78 84 88 89 86 81 79 77 78 84 Dewpt 74 75 74 74 75 75 76 75 75 75 75 75 76 77 77 77 76 76 76 75 76 RH 77 85 88 85 74 66 66 70 82 88 94 91 77 70 68 75 85 91 97 91 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 18 18 18 18 17 18 17 13 16 17 16 16 17 17 14 16 13 14 13 14 16 Clouds SC SC SC SC SC SC SC SC SC B2 B1 B1 SC SC B1 B1 SC SC SC SC SC PoP 12hr 30 20 50 40 30 QPF 12hr 0.08 0.05 0.16 0.16 0.08 Rain shwrs S C C S S S S S S C C C C C C C C C C C C Heat index 88 84 83 93 98100 94 87 93100102 97 88 93 Max heat 95 87 93 100 100 85 93 102 101 86 93 Date 05/27 Wed 05/28/25 Thu 05/29/25 Fri 05/30/25 Sat 05/31/25 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 77 89 77 89 77 89 77 89 Temp 89 81 77 84 89 81 77 84 89 81 77 84 89 81 77 84 89 82 Dewpt 77 76 74 75 76 75 74 76 76 75 75 76 77 76 76 77 78 77 PWind dir E E E E E E E E E Wind char GN BZ GN BZ BZ BZ BZ BZ BZ Avg clouds SC SC FW FW SC SC B2 B1 SC FW CL CL FW SC SC B1 B1 B1 PoP 12hr 30 20 50 50 10 0 30 50 60 Rain shwrs C S S S C C C S C C C C L $$