


Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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073 FOCA52 TJSJ 040903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Fri Apr 4 2025 PRZ001-042000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 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 74 87 74 87 Temp 81 86 87 83 79 77 75 75 81 86 87 83 79 77 75 75 81 86 87 83 79 Dewpt 67 67 69 70 70 70 70 69 69 70 70 70 70 69 69 68 69 68 69 69 69 RH 63 53 55 65 74 79 84 82 67 59 57 65 74 76 82 79 67 55 55 63 72 Wind dir E E NE E E E E E E E E E E E E E E E E E E Wind spd 24 25 26 24 17 14 13 12 14 16 16 14 11 11 10 10 11 14 16 14 10 Clouds SC SC SC B1 B2 B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 60 60 60 30 20 QPF 12hr 0.19 0.51 0.15 0.03 0.04 Rain shwrs S S C C L L C L L S S S C C S S S S S S Heat index 84 88 91 87 84 90 92 87 84 89 91 87 Max heat 84 91 91 84 92 91 84 91 91 Wind Y Y Y Y Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 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 73 88 73 88 74 88 Temp 75 81 87 78 74 81 88 78 74 81 88 79 75 82 88 79 Dewpt 68 68 68 68 69 69 69 69 70 70 70 71 71 71 72 71 PWind dir E E E E E E E E Wind char GN GN GN GN LT GN LT GN Avg clouds FW SC SC FW FW FW SC FW FW FW SC SC SC SC B1 SC PoP 12hr 20 20 20 20 20 20 50 50 Rain shwrs S S S S S S S S S S C C C $$ PRZ002-042000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 75 85 74 84 Temp 80 83 84 81 78 77 76 76 81 84 85 82 78 76 75 75 80 83 84 81 78 Dewpt 67 68 70 70 70 70 70 69 70 71 70 70 70 69 69 69 69 70 70 69 70 RH 65 61 63 69 76 79 82 79 69 65 61 67 76 79 82 82 69 65 63 67 76 Wind dir E E NE NE E E E E E E NE E NE NE E E E E E E E Wind spd 24 25 24 24 18 17 16 13 16 16 16 14 12 13 11 12 13 13 14 11 11 Clouds SC SC B1 B1 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 60 40 30 20 QPF 12hr 0.16 0.40 0.16 0.05 0.05 Rain shwrs S S C C L L C L C C S S C C S S S S S S S Heat index 82 86 88 85 84 89 90 86 82 87 88 84 Max heat 82 88 88 84 90 89 82 88 88 Wind Y Y Y Y Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 85 73 85 74 85 75 85 Temp 75 80 85 77 74 80 85 78 75 80 85 79 76 81 85 79 Dewpt 69 69 69 69 69 70 70 70 70 71 71 71 71 72 72 71 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC FW FW SC B1 SC FW FW SC SC SC SC B1 SC PoP 12hr 20 20 40 40 30 30 50 50 Rain shwrs S S S C C S C C S S C C S $$ PRZ007-042000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 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 72 90 71 89 Temp 81 87 89 84 78 75 73 73 82 88 90 85 78 75 72 72 81 87 89 84 77 Dewpt 64 60 60 64 66 66 66 65 65 64 67 67 66 65 64 63 62 60 63 63 63 RH 56 40 38 51 67 74 79 76 56 45 47 55 67 71 76 73 53 40 42 49 62 Wind dir NE E E E NE NE NE NE NE E E E NE NE NE NE NE E E E E Wind spd 19 24 24 21 9 8 6 6 9 16 20 16 9 8 6 8 9 16 20 17 8 Wind gust 32 40 40 35 26 34 26 26 34 28 Clouds FW FW FW SC FW SC FW SC CL CL SC SC FW FW FW FW FW FW SC SC FW PoP 12hr 10 20 10 0 10 QPF 12hr 0.01 0.02 0.04 0 0.02 Rain shwrs S S S S S S S Heat index 83 87 89 86 84 89 93 87 82 87 90 85 Max heat 83 89 89 84 93 93 82 90 89 Wind Y Y Y Y Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 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 88 71 88 72 88 72 88 Temp 72 81 88 77 72 81 88 78 73 81 88 78 73 81 88 78 Dewpt 64 62 62 63 63 64 67 68 64 63 65 67 65 65 67 70 PWind dir NE E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW FW FW FW FW FW SC B1 B1 SC FW FW FW FW FW FW PoP 12hr 0 10 0 40 40 0 5 20 Rain shwrs S S C C C C S $$ PRZ008-042000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 71 83 71 83 Temp 78 81 82 79 75 73 72 72 78 82 83 80 75 73 72 72 78 82 83 80 75 Dewpt 66 66 68 69 69 71 71 70 68 69 70 70 69 70 69 69 67 68 68 69 68 RH 67 60 63 72 82 93 97 93 71 65 65 72 82 90 90 90 69 63 61 69 79 Wind dir E E NE E E E E E E E NE NE E E E E E E NE E E Wind spd 24 26 26 26 23 23 19 18 20 21 23 21 20 18 16 14 17 19 19 14 19 Clouds SC SC FW SC SC B1 B1 B2 SC SC CL CL FW FW FW FW CL CL FW FW FW PoP 12hr 30 60 30 5 5 QPF 12hr 0.06 0.31 0.04 0 0.01 Rain shwrs S S S C C C L S C Heat index 83 85 85 87 83 84 86 82 Max heat 85 85 87 86 86 86 Wind Y Y Y Y Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 83 70 83 71 84 71 83 Temp 72 78 83 75 71 77 83 75 72 78 84 76 72 78 83 75 Dewpt 69 66 68 68 68 67 70 70 70 67 70 71 71 68 71 71 PWind dir E E E E E E E NE Wind char BZ GN GN BZ GN GN GN GN Avg clouds FW FW SC SC SC FW FW SC SC FW FW SC FW FW SC B1 PoP 12hr 5 40 10 40 10 40 5 50 Rain shwrs C C S S C C S S C C C C $$ PRZ010-042000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 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 70 89 69 89 Temp 81 87 89 84 77 74 71 71 81 87 89 83 76 73 70 70 80 87 89 83 76 Dewpt 69 69 70 71 70 70 69 68 70 71 73 72 71 69 68 67 69 71 72 72 70 RH 67 55 54 65 79 87 93 90 69 59 59 70 85 87 93 90 69 59 57 70 82 Wind dir E NE NE NE NE NE NE NE E E E NE E E E E E E E E E Wind spd 20 24 20 24 18 14 13 13 14 13 4 9 12 14 11 9 9 3 5 4 10 Clouds FW SC SC SC SC SC SC SC CL CL SC SC FW FW FW FW CL CL B1 B1 FW PoP 12hr 30 20 30 5 40 QPF 12hr 0.04 0.04 0.37 0 0.20 Rain shwrs S S C S S S S C C S S C C Heat index 84 91 94 89 84 93 97 89 83 92 96 89 Max heat 84 94 94 84 97 96 83 96 96 Wind Y Y Y Y Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 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 69 88 69 88 69 89 70 88 Temp 70 80 88 76 70 80 88 76 70 80 89 77 71 80 88 76 Dewpt 67 68 72 71 67 70 74 72 70 70 74 73 71 71 75 73 PWind dir E E E E E E E E Wind char GN LT LT LT LT LT LT LT Avg clouds FW FW SC B1 FW FW SC B1 SC SC SC B1 FW FW SC B1 PoP 12hr 0 50 5 50 30 50 5 50 Rain shwrs C C C C C C C C C C $$ VIZ001-042000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 77 85 77 86 Temp 82 85 86 83 80 79 78 77 81 84 85 83 80 79 77 78 82 85 86 83 80 Dewpt 67 69 70 70 70 70 69 69 70 70 70 70 70 69 69 69 69 69 69 69 69 RH 61 59 59 65 72 74 74 76 69 63 61 65 72 72 76 74 65 59 57 63 69 Wind dir E E E E E E E E E E E E NE NE E E E E E E E Wind spd 26 25 23 25 24 25 21 21 20 19 20 18 18 20 18 19 19 18 16 16 18 Clouds FW FW SC SC B1 SC SC SC CL SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 20 20 20 QPF 12hr 0.06 0.11 0.07 0.01 0.04 Rain shwrs S C C C C S S S S S S S S S S S S S Heat index 84 89 91 88 83 85 89 90 87 83 85 89 90 87 83 Max heat 84 91 90 83 85 90 89 82 85 90 90 Wind Y Y Y Y Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 86 76 86 77 86 77 86 Temp 78 82 86 80 77 82 86 80 78 82 86 80 78 82 86 80 Dewpt 69 68 69 69 69 70 70 70 70 70 71 71 71 71 72 72 PWind dir E E E E E E E E Wind char BZ BZ BZ GN GN BZ BZ GN Avg clouds SC SC SC FW SC SC FW SC SC SC SC SC B1 B1 SC SC PoP 12hr 20 20 10 10 20 40 40 40 Rain shwrs S S S S S S S S S S S C C C C S $$ VIZ002-042000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Fri Apr 4 2025 Date Fri 04/04/25 Sat 04/05/25 Sun 04/06/25 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 74 87 74 87 Temp 81 85 87 83 79 77 75 75 81 86 87 83 79 77 75 75 81 86 87 83 79 Dewpt 68 68 69 69 69 70 69 69 71 71 71 71 70 70 69 69 70 70 70 70 70 RH 65 57 55 63 72 79 82 82 72 61 59 67 74 79 82 82 69 59 57 65 74 Wind dir E E E E E E E E E E E E NE NE NE E E E E E E Wind spd 25 23 25 23 19 20 19 18 19 19 18 18 17 18 18 17 18 18 16 14 14 Clouds SC FW FW SC FW SC SC SC CL SC B2 SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 30 50 20 20 QPF 12hr 0.03 0.06 0.12 0.04 0.04 Rain shwrs S S C S S S C S S S S S S S S S S Heat index 84 89 91 87 85 91 93 88 85 90 92 87 Max heat 84 91 91 85 93 92 85 92 91 Wind Y Y Y Y Date Mon 04/07/25 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 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 74 87 74 87 75 88 Temp 75 81 87 79 75 81 87 79 75 81 87 79 76 82 88 80 Dewpt 69 69 69 70 70 70 70 71 71 71 71 72 72 72 72 72 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ GN GN GN GN Avg clouds SC FW CL FW B1 B1 B2 B1 FW FW FW FW FW FW SC B1 PoP 12hr 5 40 60 60 5 5 5 40 Rain shwrs S S C C L L C S C C $$