Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
662 FOCA52 TJSJ 170903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Tue Jun 17 2025 PRZ001-172000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 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 77 90 Temp 85 88 89 86 81 79 77 79 84 88 89 86 81 79 77 79 85 89 90 87 82 Dewpt 75 75 75 75 74 74 74 73 74 74 74 74 74 74 73 73 74 74 75 75 75 RH 72 66 64 70 79 85 90 82 72 63 61 68 79 85 87 82 70 61 62 68 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 14 13 10 11 11 12 11 16 16 14 12 13 13 11 10 16 16 14 11 Clouds SC SC B2 SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 50 10 20 40 40 QPF 12hr 0.13 0.02 0.13 0.13 0.16 Rain shwrs S S C C S S S S S S S S C C C C C C S Tstms S Obvis H H H H H H H H H H H H Heat index 94 98 99 95 86 91 97 98 94 86 93 98101 96 89 Max heat 94 99 99 84 91 98 98 84 93 101 99 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 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 89 77 89 76 89 77 90 Temp 77 84 89 81 77 84 89 81 76 84 89 81 77 85 90 82 Dewpt 74 75 76 74 74 75 74 74 73 74 74 73 74 74 75 75 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC B1 SC SC SC SC SC SC SC SC FW FW SC SC PoP 12hr 10 40 30 30 30 20 10 20 Rain shwrs S S C C C C C C C C S S S S S $$ PRZ002-172000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 79 87 79 87 Temp 84 86 87 85 82 80 79 80 84 86 87 85 82 80 79 80 84 86 87 85 81 Dewpt 74 75 75 75 74 74 73 73 74 75 75 75 74 74 73 73 74 75 75 75 75 RH 72 70 68 72 77 82 82 79 72 70 68 72 77 82 82 79 72 70 68 72 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 14 16 14 13 11 12 12 13 14 16 16 14 13 14 13 14 12 14 14 13 12 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC SC B1 PoP 12hr 30 20 30 50 50 QPF 12hr 0.06 0.03 0.10 0.15 0.18 Rain shwrs S S C S S S S S S S S C C C C C C C C C Obvis H H H H H H H H H H H Heat index 91 95 96 94 88 84 84 91 95 96 94 88 84 84 91 95 96 94 87 Max heat 91 96 96 86 91 96 96 86 91 96 96 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 87 79 87 79 87 78 87 Temp 78 83 87 82 79 84 87 82 79 84 87 81 78 83 87 82 Dewpt 74 75 76 74 74 74 75 74 74 75 74 73 74 74 76 75 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 PoP 12hr 40 40 40 40 40 30 40 60 Rain shwrs C C C C C C C C C C C S S C C L Tstms S $$ PRZ007-172000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 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 76 91 76 92 Temp 86 90 92 88 82 79 76 78 85 89 91 87 81 78 76 78 86 90 92 88 82 Dewpt 70 69 71 68 69 70 70 69 69 70 69 69 70 69 67 67 67 69 70 70 69 RH 59 50 51 52 65 74 82 74 59 54 49 55 69 74 74 69 53 50 49 55 65 Wind dir E E SE E E NE NE NE E E SE E E NE NE E E E E E E Wind spd 9 16 18 14 9 5 5 6 8 17 18 14 10 5 6 8 9 16 17 16 9 Wind gust 26 29 27 31 27 27 26 Clouds SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC FW FW FW FW FW PoP 12hr 10 10 20 10 5 QPF 12hr 0.01 0.01 0.05 0.03 0.02 Rain shwrs S S S S S S S S S S S Obvis H H H H H H H H H H H H H H H H Heat index 91 95 99 92 85 89 94 96 91 85 89 95 98 93 85 Max heat 91 99 97 83 89 96 95 83 89 98 97 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 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 90 76 91 76 91 76 91 Temp 76 84 90 81 76 85 91 81 76 85 91 81 76 85 91 82 Dewpt 68 70 71 73 71 72 74 72 69 69 70 71 71 72 74 73 PWind dir E E E E E E E E Wind char LT GN GN GN LT GN LT GN Avg clouds FW SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC PoP 12hr 20 20 20 30 5 10 20 30 Rain shwrs S S S S S S C C S S S S S S C C $$ PRZ008-172000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 75 87 75 87 Temp 82 86 87 84 79 77 75 77 82 86 87 84 79 77 75 77 82 86 87 84 79 Dewpt 73 74 75 74 74 74 73 73 73 74 74 74 74 74 74 73 73 73 75 74 74 RH 74 68 68 72 85 90 94 87 74 68 65 72 85 90 97 87 74 65 68 72 85 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 12 16 21 19 20 18 16 13 14 12 21 21 14 13 13 13 13 14 19 16 20 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC CL CL FW FW B2 B2 FW PoP 12hr 20 10 10 10 50 QPF 12hr 0.04 0 0.04 0.02 0.46 Rain shwrs S S S S S S S C C Obvis H H H H H H H H H H H H H H H H Heat index 87 94 96 91 87 94 95 91 87 93 96 91 Max heat 87 96 95 87 95 95 87 96 95 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 86 75 86 74 86 74 87 Temp 75 82 86 79 75 82 86 78 74 81 86 78 74 82 87 79 Dewpt 74 73 75 74 74 73 74 74 73 73 74 73 73 73 74 74 PWind dir E E E E E E E E Wind char BZ BZ GN GN GN BZ GN GN Avg clouds FW FW SC B1 SC SC SC B2 SC SC SC SC FW FW SC B1 PoP 12hr 5 50 30 60 30 30 0 60 Rain shwrs C C C C L L C C C C L L Tstms S S S S $$ PRZ010-172000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 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 73 92 73 93 Temp 85 90 92 87 80 76 74 76 84 90 92 87 80 76 74 76 85 91 93 88 80 Dewpt 75 76 77 77 76 74 72 72 74 75 77 76 76 74 73 71 74 75 76 76 75 RH 72 64 62 72 88 94 93 87 72 62 62 70 88 94 97 85 70 60 58 68 85 Wind dir E E E E E E E E E E N NE E E E E E E E NE E Wind spd 4 2 3 8 9 12 6 5 5 2 4 2 2 5 6 5 4 3 3 3 5 Clouds SC SC B2 OV B2 SC SC SC SC SC SC B1 SC SC CL CL FW FW B2 B2 SC PoP 12hr 80 50 40 10 50 QPF 12hr 0.80 0.09 0.14 0.02 0.73 Rain shwrs L D C S C C S S C C S Tstms S S S S Obvis H H H H H H H H H H H Heat index 94102106 99 86 91101106 98 86 93102106 99 85 Max heat 94 106 105 91 106 105 93 106 105 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 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 92 73 92 73 91 73 92 Temp 74 84 92 80 74 84 92 80 74 84 91 79 74 84 92 80 Dewpt 73 74 78 76 73 74 77 75 72 74 77 75 71 74 77 76 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC B1 SC SC SC B1 SC FW SC SC FW FW SC B1 PoP 12hr 5 50 30 60 10 50 5 60 Rain shwrs S S C C C C L L S S C C L L Tstms S S S S $$ VIZ001-172000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 80 89 80 89 Temp 85 88 89 87 83 81 80 81 85 88 89 87 83 81 80 81 85 88 89 87 83 Dewpt 76 76 75 75 76 75 75 75 75 75 75 76 76 75 75 75 76 75 76 75 75 RH 75 68 64 68 80 82 85 82 72 66 64 70 80 82 85 82 75 66 66 68 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 20 18 18 17 18 19 18 19 20 18 19 19 20 19 18 18 19 18 17 18 17 Clouds SC SC SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC FW PoP 12hr 20 20 10 30 30 QPF 12hr 0.02 0.02 0.04 0.07 0.12 Rain shwrs S S S S S S S S S S S S S S C C C C S Obvis H H H H H H H H H H H H H H H H Heat index 94 99 99 96 91 87 85 87 94 98 99 98 91 87 85 87 94 98100 96 90 Max heat 94 99 99 90 94 99 99 90 94 100 100 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 89 80 89 79 89 79 90 Temp 80 85 89 83 80 85 89 83 79 85 89 83 79 86 90 84 Dewpt 75 76 76 76 75 75 75 75 74 75 75 75 75 76 76 76 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds FW SC SC SC SC SC SC SC CL FW SC SC SC SC SC B1 PoP 12hr 10 30 30 30 5 20 20 60 Rain shwrs S S S C C C C S S S S S S L Tstms S $$ VIZ002-172000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Tue Jun 17 2025 Date Tue 06/17/25 Wed 06/18/25 Thu 06/19/25 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 78 88 Temp 84 87 88 86 82 80 78 80 84 87 88 86 82 80 78 80 84 87 88 85 81 Dewpt 74 74 74 74 74 74 73 73 74 74 74 74 74 75 74 73 74 75 75 75 75 RH 72 65 63 68 77 82 85 79 72 65 63 68 77 85 88 79 72 68 66 72 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 19 19 17 17 16 17 17 17 20 18 18 17 19 18 17 17 18 18 17 18 17 Clouds SC SC SC SC SC SC SC SC SC SC CL SC CL CL CL CL SC SC SC SC B1 PoP 12hr 10 10 10 5 40 QPF 12hr 0.01 0 0.01 0 0.05 Rain shwrs S S S S S S S S C Obvis H H H H H H H H H H H H H H H H Heat index 91 95 97 94 88 84 84 91 95 97 94 88 85 84 91 96 98 94 87 Max heat 91 97 97 86 91 97 97 86 91 98 98 Date Fri 06/20/25 Sat 06/21/25 Sun 06/22/25 Mon 06/23/25 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 87 77 88 77 88 77 88 Temp 77 83 87 81 77 84 88 81 77 84 88 81 77 84 88 82 Dewpt 74 76 75 74 75 75 75 74 74 74 74 74 74 76 76 75 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 B1 B1 B1 SC SC SC SC CL FW SC SC SC B1 B1 SC PoP 12hr 40 40 30 30 5 30 40 50 Rain shwrs C C C C S C C S S S C C C C C $$