Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
1
2
389 FOCA52 TJSJ 190903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Sat Apr 19 2025 PRZ001-192000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 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 87 74 86 Temp 81 84 85 82 78 76 75 75 81 86 87 83 79 77 75 75 81 85 86 82 78 Dewpt 72 74 74 73 72 72 72 71 71 72 72 71 70 70 69 68 67 66 67 66 66 RH 74 72 70 74 82 87 90 87 72 63 61 67 74 79 82 79 63 53 53 58 67 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N N N N Wind spd 10 10 10 9 8 9 8 10 10 12 13 13 12 12 10 10 10 12 12 10 6 Clouds B2 B1 B2 B1 B2 OV OV OV B2 B1 SC SC B1 B1 SC SC SC SC FW FW B1 PoP 12hr 60 70 60 40 40 QPF 12hr 0.50 1.04 0.27 0.12 0.06 Rain shwrs L C C C L L L L C C C C C C S S S S C Tstms S S S S S S S Heat index 85 91 93 87 85 92 94 88 83 87 89 84 Max heat 85 93 93 85 94 94 83 89 88 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 86 74 85 75 86 75 88 Temp 74 80 86 78 75 80 85 79 76 81 86 79 76 82 88 79 Dewpt 66 67 67 68 68 68 70 71 71 71 73 72 72 72 73 72 PWind dir N NE E E E E E E Wind char LT GN LT LT LT LT LT GN Avg clouds B1 B2 SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC PoP 12hr 60 40 30 30 20 30 40 40 Rain shwrs L L C S S C C S S S C C C C C C Tstms S S S $$ PRZ002-192000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 75 87 75 85 Temp 81 85 86 83 79 77 76 76 82 86 87 84 79 77 76 76 81 84 85 81 75 Dewpt 73 74 74 73 73 72 72 72 73 73 72 72 71 70 69 68 68 68 67 67 66 RH 77 70 68 72 82 85 87 87 74 65 61 67 77 79 79 76 65 59 55 63 74 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N N N N N Wind spd 9 9 8 9 9 11 9 10 10 11 12 13 12 13 12 12 10 12 12 10 8 Clouds B2 B2 B2 B1 B1 OV B2 OV B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC SC PoP 12hr 60 70 60 50 20 QPF 12hr 0.48 0.85 0.37 0.13 0.05 Rain shwrs C C L C C L C L L C C C C C S S S S S S S Tstms S S S S S S S S S S S S Heat index 86 93 94 89 87 93 94 90 84 87 88 83 Max heat 86 94 94 87 94 94 84 88 88 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 69 86 72 86 74 87 74 89 Temp 70 79 86 77 73 80 86 78 75 81 87 79 75 82 89 79 Dewpt 67 68 67 68 68 69 70 71 71 72 73 72 72 73 73 72 PWind dir N NE NE E E E E E Wind char LT GN LT LT LT LT LT GN Avg clouds B1 B2 SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 60 40 30 30 30 40 50 50 Rain shwrs L L C C C C C C C C C C C C C C Tstms S S S $$ PRZ007-192000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 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 72 89 72 88 Temp 82 87 88 84 78 75 73 73 82 87 89 84 78 75 73 73 81 86 88 83 77 Dewpt 69 69 71 70 70 69 68 68 68 67 66 66 66 65 65 65 63 62 60 60 61 RH 65 55 57 63 76 82 84 84 63 52 47 55 67 71 76 76 54 45 39 46 58 Wind dir NE E E E NE NE NE NE NE NE NE NE NE N N N N N N N N Wind spd 6 11 11 2 5 8 8 5 6 11 13 10 9 9 5 6 3 6 8 11 6 Wind gust 24 Clouds SC SC OV OV SC SC B2 FW SC B1 OV OV SC SC FW FW FW FW B2 B2 SC PoP 12hr 80 60 70 30 60 QPF 12hr 1.03 0.34 0.77 0.05 0.60 Rain shwrs S S D L C S L S C L L C C L L S Tstms S S S S S S S Heat index 85 91 94 88 85 90 92 86 82 86 88 83 Max heat 85 94 94 85 92 90 82 88 87 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 72 87 73 88 73 90 Temp 72 81 88 78 73 80 87 78 74 81 88 78 74 83 90 78 Dewpt 63 62 65 66 64 64 66 66 66 63 69 70 69 69 71 71 PWind dir N E NE E NE E NE E Wind char LT LT LT LT LT LT LT GN Avg clouds SC SC SC SC FW FW FW FW CL CL FW SC SC SC SC SC PoP 12hr 30 30 0 5 0 20 20 20 Rain shwrs C C C S S S S S S S S S $$ PRZ008-192000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 72 84 71 82 Temp 79 82 83 80 76 74 73 73 79 83 84 80 76 74 72 72 77 81 82 79 74 Dewpt 71 72 73 73 71 72 72 71 70 70 71 70 69 70 69 68 65 65 65 65 65 RH 77 72 72 79 85 93 97 93 74 65 65 72 79 87 90 87 67 58 56 62 74 Wind dir NE NE NE NE E NE NE NE NE NE NE NE NE NE NE NE NE N N N N Wind spd 17 17 18 18 18 17 18 18 20 20 20 21 19 19 17 17 16 13 16 16 14 Clouds SC SC B1 B2 B2 B2 SC SC SC SC SC SC SC SC SC SC FW FW SC SC B2 PoP 12hr 60 60 20 30 50 QPF 12hr 0.40 0.29 0.04 0.06 0.07 Rain shwrs C C C C L L C S S S S S S S C C C C C Tstms S S S S Heat index 87 89 84 87 89 83 83 84 Max heat 89 89 89 89 84 84 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 83 72 82 73 83 73 85 Temp 71 77 83 76 73 78 82 76 74 79 83 77 74 80 85 77 Dewpt 67 64 66 67 68 67 68 69 71 69 71 71 72 71 72 71 PWind dir NE NE NE NE E NE E E Wind char GN GN GN GN LT GN GN GN Avg clouds B2 B2 B1 SC SC FW FW B1 SC SC SC SC SC SC SC SC PoP 12hr 60 40 5 40 30 20 10 20 Rain shwrs L L C S S S C C C C S S S S S S Tstms S S S $$ PRZ010-192000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 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 69 89 69 88 Temp 82 87 89 83 76 73 70 70 80 87 89 83 76 73 70 70 80 86 88 82 75 Dewpt 74 76 77 76 73 73 70 70 73 75 75 74 72 71 69 67 68 69 69 67 67 RH 77 70 68 80 90100100100 79 68 64 74 87 93 97 90 67 57 54 61 76 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N Wind spd 13 12 13 13 14 14 13 13 16 18 19 19 18 17 16 16 17 14 16 16 11 Clouds SC B2 OV OV B2 SC SC SC SC SC B1 B1 FW FW SC SC FW FW SC SC B2 PoP 12hr 70 50 40 10 50 QPF 12hr 0.75 0.20 0.11 0.02 0.10 Rain shwrs S C L L C S C S S S C C S S C C C Tstms S S S S S Heat index 88 98101 91 84 96 99 90 83 90 92 85 Max heat 88 101 100 84 99 98 83 92 91 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 68 88 69 87 71 88 71 90 Temp 69 79 88 76 70 79 87 77 72 81 88 77 72 82 90 77 Dewpt 66 67 71 69 68 69 72 71 70 71 76 73 72 73 76 74 PWind dir NE NE NE NE E NE E NE Wind char GN LT LT LT LT LT LT LT Avg clouds B2 B1 B1 SC CL CL SC B2 SC SC SC B1 SC SC SC B1 PoP 12hr 50 50 0 60 30 60 10 60 Rain shwrs C C C C L L C C L L S S L L Tstms S S S S $$ VIZ001-192000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 76 90 76 88 Temp 82 86 87 84 80 78 77 77 84 88 90 86 81 79 77 77 83 87 88 84 79 Dewpt 74 74 73 73 73 73 72 72 73 73 73 72 72 71 70 69 69 68 68 67 67 RH 77 68 63 70 79 85 85 85 70 61 58 63 74 77 79 76 63 53 52 57 67 Wind dir E E E NE NE NE NE NE NE NE NE NE NE NE N N N N N N N Wind spd 13 13 12 11 13 17 14 16 13 14 14 16 19 19 16 17 12 14 13 11 12 Clouds B2 B2 B2 SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC FW PoP 12hr 60 60 60 50 20 QPF 12hr 0.44 0.26 0.36 0.13 0.04 Rain shwrs L L C C C C C C L L C C C C S S S S S S Tstms S S S S S S S S S Heat index 88 94 94 90 84 90 96 98 92 85 87 91 92 87 Max heat 88 95 94 90 98 97 83 87 92 91 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 89 75 85 77 86 76 88 Temp 75 82 89 80 76 81 85 80 77 82 86 80 77 83 88 81 Dewpt 67 67 68 68 68 70 71 71 71 73 73 73 72 73 74 73 PWind dir NE NE NE E E E E E Wind char GN GN GN LT GN LT GN BZ Avg clouds SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 20 30 30 30 30 40 40 40 Rain shwrs S S S C C C C C C C C C C C C C $$ VIZ002-192000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Sat Apr 19 2025 Date Sat 04/19/25 Sun 04/20/25 Mon 04/21/25 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 73 87 74 86 Temp 82 87 88 84 78 76 74 74 81 85 87 83 79 77 75 75 81 85 86 82 76 Dewpt 74 74 74 73 74 73 73 72 73 73 73 72 72 71 71 69 70 70 69 67 67 RH 77 65 63 70 88 90 97 93 77 67 63 70 79 82 87 82 69 61 57 61 74 Wind dir E E E E NE NE NE NE NE NE NE NE NE NE N N N N N N N Wind spd 12 13 12 12 11 11 12 11 12 13 12 13 13 16 16 13 13 13 16 14 10 Clouds B2 B2 B2 B1 B2 B1 B1 B2 SC B1 B2 B2 B2 B2 SC SC SC SC SC SC FW PoP 12hr 60 50 50 50 20 QPF 12hr 0.41 0.28 0.27 0.16 0.03 Rain shwrs C C L C C C C C C C C C C C C C S S S S Tstms S S S S S S S S S Heat index 88 95 97 90 86 92 94 88 85 90 90 85 Max heat 88 97 97 86 94 94 85 90 89 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 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 70 86 71 86 74 88 74 90 Temp 71 79 86 76 72 79 86 78 75 82 88 79 75 83 90 80 Dewpt 66 68 68 68 69 70 71 71 72 72 73 72 73 74 74 73 PWind dir NE NE NE E E E E E Wind char GN GN LT LT LT LT GN BZ Avg clouds FW FW FW FW SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 10 10 30 30 30 40 40 40 Rain shwrs S S S S C C C C C C C C C C C $$