Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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785 FOCA52 TJSJ 192103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sat Apr 19 2025 PRZ001-200800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 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 74 87 74 86 73 Temp 78 76 75 75 81 86 87 83 79 77 75 75 81 85 86 82 78 76 74 74 80 Dewpt 72 72 72 71 71 72 72 71 70 70 69 68 67 66 67 66 66 66 66 66 67 RH 82 87 90 87 72 63 61 67 74 79 82 79 63 53 53 58 67 71 76 76 65 Wind dir NE NE NE NE NE NE NE NE NE NE N N N N N N N N NE NE NE Wind spd 10 12 9 10 12 14 14 14 14 12 12 11 11 13 13 12 10 8 6 5 6 Clouds B2 OV OV OV B2 SC SC B1 B1 SC SC SC SC SC CL CL B1 B1 B2 B2 B1 PoP 12hr 70 60 30 40 60 QPF 12hr 1.20 0.52 0.09 0.06 0.40 Rain shwrs L L L L C C C C C C S S S S C C L L C Tstms S S S S S S S S Heat index 85 92 94 88 83 87 89 84 82 Max heat 87 85 94 94 83 89 88 82 Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 74 85 75 86 75 88 74 86 Temp 86 78 75 80 85 79 76 81 86 79 76 82 88 79 75 81 86 78 Dewpt 67 68 68 68 70 71 71 71 73 72 72 72 73 72 72 72 74 72 PWind dir NE E E E E E E E E Wind char GN LT LT LT GN LT GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC B1 B1 SC PoP 12hr 40 30 30 20 30 40 40 40 40 Rain shwrs C S S C C S S S C C C C C C C C C C Tstms S $$ PRZ002-200800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 87 75 85 69 Temp 79 77 76 76 82 86 87 84 79 77 76 76 81 84 85 81 75 72 70 70 79 Dewpt 73 72 72 72 73 73 72 72 71 70 69 68 68 68 67 67 66 66 67 66 68 RH 82 85 87 87 74 65 61 67 77 79 79 76 65 59 55 63 74 81 90 87 69 Wind dir NE NE NE NE NE NE NE N N N N N N N N N N N N NE NE Wind spd 10 12 10 10 12 12 13 13 14 13 13 13 12 12 13 13 11 11 9 8 8 Clouds B1 OV B2 OV B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC B2 B2 B1 PoP 12hr 70 60 40 20 60 QPF 12hr 1.00 0.56 0.09 0.05 0.33 Rain shwrs C L C L L C C C C S S S S S S S S S L L C Tstms S S S S S S S Heat index 87 93 94 90 84 87 88 83 Max heat 89 87 94 94 84 88 88 Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 72 86 74 87 74 89 74 87 Temp 86 77 73 80 86 78 75 81 87 79 75 82 89 79 75 81 87 79 Dewpt 67 68 68 69 70 71 71 72 73 72 72 73 73 72 73 73 74 73 PWind dir NE NE E E E E E E E Wind char GN LT LT LT LT LT GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B2 B1 PoP 12hr 40 30 30 30 40 50 50 50 50 Rain shwrs C C C C C C C C C C C C C C C C C C Tstms S $$ PRZ007-200800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 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 72 89 72 88 71 Temp 78 75 73 73 82 87 89 84 78 75 73 73 81 86 88 83 77 74 72 72 81 Dewpt 70 69 68 68 68 67 66 66 66 65 65 65 63 62 60 60 61 62 63 62 62 RH 76 82 84 84 63 52 47 55 67 71 76 76 54 45 39 46 58 66 73 71 53 Wind dir N NE NE NE NE NE NE NE NE NE N N N N N N N N N NE NE Wind spd 8 8 6 5 8 12 13 10 11 9 8 6 6 11 13 13 9 5 3 1 2 Wind gust 24 24 Clouds SC SC B2 FW SC SC B2 B2 SC SC CL CL FW FW B1 B1 SC SC SC SC SC PoP 12hr 60 60 30 40 30 QPF 12hr 0.32 0.31 0.04 0.56 0.09 Rain shwrs C S L S C L C C S C C S S C C C Tstms S S S S S Heat index 85 90 92 86 82 86 88 83 82 Max heat 88 85 92 90 82 88 87 82 Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 72 87 73 88 73 90 72 88 Temp 88 78 73 80 87 78 74 81 88 78 74 83 90 78 73 81 88 78 Dewpt 65 66 64 64 66 66 66 63 69 70 69 69 71 71 70 70 72 71 PWind dir E NE E E E E E E E Wind char LT LT LT LT LT LT GN LT GN Avg clouds SC SC FW FW FW FW CL CL FW SC SC SC SC SC SC SC FW FW PoP 12hr 30 0 5 0 20 20 20 20 10 Rain shwrs C S S S S S S S S S S S S S $$ PRZ008-200800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 84 71 82 70 Temp 76 74 73 73 79 83 84 80 76 74 72 72 77 81 82 79 74 72 71 71 77 Dewpt 71 72 72 71 70 70 71 70 69 70 69 68 65 65 65 65 65 66 67 66 64 RH 85 93 97 93 74 65 65 72 79 87 90 87 67 58 56 62 74 81 87 84 64 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N NE NE NE NE Wind spd 19 20 19 19 21 21 20 20 21 19 18 17 18 16 16 16 12 13 10 9 11 Clouds B2 B2 SC SC SC SC SC FW SC SC SC CL FW FW SC SC B2 B2 B2 B2 B1 PoP 12hr 60 10 20 50 60 QPF 12hr 0.29 0.02 0.04 0.07 0.41 Rain shwrs L L C S S S S S S S S S C C L L C Tstms S S S S S S S Heat index 87 89 83 83 84 Max heat 84 89 89 84 84 Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 72 82 73 83 73 85 72 83 Temp 83 76 73 78 82 76 74 79 83 77 74 80 85 77 73 78 83 76 Dewpt 66 67 68 67 68 69 71 69 71 71 72 71 72 71 73 70 73 72 PWind dir NE E NE E NE E E E E Wind char BZ GN GN LT GN GN GN GN BZ Avg clouds B1 SC SC FW FW B1 SC SC SC SC SC SC SC SC SC SC FW SC PoP 12hr 40 5 40 30 20 10 20 20 40 Rain shwrs C S S S C C C C S S S S S S S S C C Tstms S $$ PRZ010-200800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 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 69 89 69 88 68 Temp 76 73 70 70 80 87 89 83 76 73 70 70 80 86 88 82 75 72 69 69 79 Dewpt 73 73 70 70 73 75 75 74 72 71 69 67 68 69 69 67 67 66 66 65 67 RH 90100100100 79 68 64 74 87 93 97 90 67 57 54 61 76 81 90 87 67 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N NE NE NE NE Wind spd 16 17 13 13 18 19 18 19 19 18 17 16 17 16 17 16 12 10 9 6 8 Clouds B2 SC SC SC SC SC SC SC CL SC SC CL FW FW SC SC B2 B2 B2 B2 SC PoP 12hr 50 30 10 50 50 QPF 12hr 0.20 0.04 0.02 0.09 0.21 Rain shwrs C S C S S S C S S S S S C C C C C Tstms S S S S S Heat index 84 96 99 90 83 90 92 85 Max heat 91 84 99 98 83 92 91 Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 69 87 71 88 71 90 70 88 Temp 88 76 70 79 87 77 72 81 88 77 72 82 90 77 71 80 88 76 Dewpt 71 69 68 69 72 71 70 71 76 73 72 73 76 74 71 73 76 74 PWind dir NE E NE E NE E E E E Wind char GN GN GN LT LT LT LT LT LT Avg clouds B1 SC CL CL SC B2 SC SC SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 50 0 60 30 60 10 60 20 60 Rain shwrs C C L L C C L L S S L L S S L L Tstms S S $$ VIZ001-200800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 90 76 88 74 Temp 80 78 77 77 84 88 90 86 81 79 77 77 83 87 88 84 79 77 75 75 82 Dewpt 73 73 72 72 73 73 73 72 72 71 70 69 69 68 68 67 67 67 67 67 67 RH 79 85 85 85 70 61 58 63 74 77 79 76 63 53 52 57 67 71 76 76 61 Wind dir NE NE NE NE NE NE NE NE N N N N N N N N N N N NE NE Wind spd 16 18 16 14 16 16 17 18 21 19 18 17 16 16 14 16 16 14 13 12 12 Clouds SC B1 B1 B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW SC SC SC PoP 12hr 60 60 40 20 20 QPF 12hr 0.41 0.56 0.09 0.04 0.03 Rain shwrs C C C C L C C C C C S S S S S S S S S Tstms S Heat index 84 90 96 98 92 85 87 91 92 87 85 Max heat 90 90 98 97 83 87 92 91 85 Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 75 85 77 86 76 88 77 86 Temp 89 80 76 81 85 80 77 82 86 80 77 83 88 81 78 82 86 80 Dewpt 68 68 68 70 71 71 71 73 73 73 72 73 74 73 73 73 74 73 PWind dir NE E E E E E E E E Wind char GN GN LT LT GN GN BZ BZ BZ Avg clouds SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC B1 B1 SC PoP 12hr 30 30 30 30 40 40 40 40 40 Rain shwrs S C C C C C C C C C C C C C C C C C $$ VIZ002-200800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sat Apr 19 2025 Date 04/19/25 Sun 04/20/25 Mon 04/21/25 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 87 74 86 70 Temp 78 76 74 74 81 85 87 83 79 77 75 75 81 85 86 82 76 73 71 71 79 Dewpt 74 73 73 72 73 73 73 72 72 71 71 69 70 70 69 67 67 66 66 67 68 RH 88 90 97 93 77 67 63 70 79 82 87 82 69 61 57 61 74 79 84 87 69 Wind dir NE NE NE NE NE NE NE NE NE N N N N N N N N N N NE NE Wind spd 11 12 13 12 13 13 13 14 17 17 16 14 13 13 14 14 12 13 11 9 10 Clouds B2 B1 B1 B2 SC SC B1 B1 B1 SC SC SC SC SC SC SC FW FW FW FW SC PoP 12hr 50 40 40 10 10 QPF 12hr 0.26 0.12 0.11 0.03 0.01 Rain shwrs C C C C C C C C C C S S S S S S S Tstms S S Heat index 86 92 94 88 85 90 90 85 Max heat 90 86 94 94 85 90 89 Date 04/22 Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 71 86 74 88 74 90 74 88 Temp 86 76 72 79 86 78 75 82 88 79 75 83 90 80 75 82 88 79 Dewpt 68 68 69 70 71 71 72 72 73 72 73 74 74 73 73 74 74 73 PWind dir NE NE E E E E E E E Wind char GN LT LT LT GN GN BZ BZ BZ Avg clouds FW FW SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 10 30 30 30 40 40 40 40 40 Rain shwrs S S S C C C C C C C C C C C C C C C $$