


Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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162 FOCA52 TJSJ 042103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Fri Apr 4 2025 PRZ001-050800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Fri Apr 4 2025 Date 04/04/25 Sat 04/05/25 Sun 04/06/25 Mon 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 87 74 Temp 79 77 75 75 81 86 87 83 79 77 75 75 81 86 87 83 79 77 75 75 81 Dewpt 70 70 70 69 69 70 70 70 70 69 69 68 69 68 69 69 69 69 68 68 68 RH 74 79 84 82 67 59 57 65 74 76 82 79 67 55 55 63 72 76 79 79 65 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 16 13 12 11 12 16 16 14 12 11 10 10 10 14 14 14 11 9 8 6 10 Clouds B2 B2 B2 B2 B2 SC SC SC SC B2 B1 SC SC SC SC SC FW FW FW FW SC PoP 12hr 60 60 60 20 20 QPF 12hr 0.51 0.17 0.15 0.03 0.01 Rain shwrs L L C L L S S S C L C C S S S S S Heat index 84 90 92 87 84 89 91 87 84 Max heat 87 84 92 91 84 91 91 84 Wind Date 04/07 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 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 87 73 88 73 88 74 88 74 89 Temp 87 78 74 81 88 78 74 81 88 79 75 82 88 79 75 82 89 80 Dewpt 68 68 69 69 69 69 70 70 70 71 71 71 72 71 71 71 72 72 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 FW FW FW SC FW FW FW SC SC SC SC B1 SC SC SC B1 B1 PoP 12hr 20 20 20 20 20 50 50 40 50 Rain shwrs S S S S S S S S S C C C S C C C $$ PRZ002-050800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Fri Apr 4 2025 Date 04/04/25 Sat 04/05/25 Sun 04/06/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 85 74 84 74 Temp 78 77 76 76 81 84 85 82 78 76 75 75 80 83 84 81 78 76 75 75 80 Dewpt 70 70 70 69 70 71 70 70 70 69 69 69 69 70 70 69 70 69 69 69 69 RH 76 79 82 79 69 65 61 67 76 79 82 82 69 65 63 67 76 79 82 82 69 Wind dir E E E E E E NE NE NE NE E E E E E E E E E E E Wind spd 19 18 16 13 14 14 16 14 13 13 13 13 13 13 13 13 12 12 11 11 12 Clouds B2 B2 B2 B2 B1 B1 SC SC SC B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 40 40 20 20 QPF 12hr 0.40 0.16 0.05 0.04 0.02 Rain shwrs L L C L C C S S C C S S S S S S S S S S S Heat index 84 89 90 86 82 87 88 84 83 Max heat 85 84 90 89 82 88 88 83 Wind Date 04/07 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 73 85 74 85 75 85 75 85 Temp 85 77 74 80 85 78 75 80 85 79 76 81 85 79 76 81 85 79 Dewpt 69 69 69 70 70 70 70 71 71 71 71 72 72 71 71 72 72 72 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC FW FW SC B1 SC FW FW SC SC SC SC B1 SC SC SC B1 B1 PoP 12hr 20 40 40 30 30 50 50 50 60 Rain shwrs S C C S C C S S C C S S C C L $$ PRZ007-050800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Fri Apr 4 2025 Date 04/04/25 Sat 04/05/25 Sun 04/06/25 Mon 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 90 71 89 71 Temp 78 75 73 73 82 88 90 85 78 75 72 72 81 87 89 84 77 75 72 72 81 Dewpt 66 66 66 65 65 64 67 67 66 65 64 63 62 60 63 63 63 63 64 64 62 RH 67 74 79 76 56 45 47 55 67 71 76 73 53 40 42 49 62 66 76 76 53 Wind dir NE NE NE NE E E E E NE NE NE NE NE E E E E NE NE NE E Wind spd 9 9 6 6 8 13 16 14 8 8 6 6 8 12 17 13 8 6 6 6 8 Wind gust 27 25 28 Clouds FW SC FW SC CL CL SC SC FW CL CL FW FW FW SC SC FW FW FW FW FW PoP 12hr 20 10 0 10 0 QPF 12hr 0.02 0.04 0 0.02 0 Rain shwrs S S S S S S Heat index 84 89 93 87 82 87 90 85 82 Max heat 86 84 93 93 82 90 89 82 Wind Date 04/07 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 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 71 88 72 88 72 88 72 89 Temp 88 77 72 81 88 78 73 81 88 78 73 81 88 78 73 82 89 79 Dewpt 62 63 63 64 67 68 64 63 65 67 65 65 67 70 68 67 70 70 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW FW FW FW SC B1 B1 SC FW FW FW FW FW FW SC SC SC B1 PoP 12hr 10 0 40 40 0 5 20 30 40 Rain shwrs S S C C C C S S C C C $$ PRZ008-050800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Fri Apr 4 2025 Date 04/04/25 Sat 04/05/25 Sun 04/06/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 83 71 83 71 Temp 75 73 72 72 78 82 83 80 75 73 72 72 78 82 83 80 75 73 72 72 78 Dewpt 69 71 71 70 68 69 70 70 69 70 69 69 67 68 68 69 68 69 69 68 66 RH 82 93 97 93 71 65 65 72 82 90 90 90 69 63 61 69 79 87 90 87 67 Wind dir E E E E E E NE E E E E E E E NE E E E E E E Wind spd 19 19 16 16 16 18 20 18 16 16 14 12 12 16 17 14 13 13 12 10 12 Clouds SC B1 B1 B2 SC SC CL CL SC B1 B2 B2 CL CL FW FW FW FW FW FW FW PoP 12hr 60 30 60 5 5 QPF 12hr 0.31 0.06 0.16 0.01 0 Rain shwrs C C C L S C S C L C Heat index 85 87 83 84 86 82 Max heat 87 86 86 86 Wind Date 04/07 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 70 83 71 84 71 83 71 83 Temp 83 75 71 77 83 75 72 78 84 76 72 78 83 75 72 78 83 76 Dewpt 68 68 68 67 70 70 70 67 70 71 71 68 71 71 72 68 71 71 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC SC FW FW SC SC FW FW SC FW FW SC B1 SC SC SC B1 PoP 12hr 40 10 40 10 40 5 50 30 50 Rain shwrs C C S S C C S S C C C C C C C C $$ PRZ010-050800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Fri Apr 4 2025 Date 04/04/25 Sat 04/05/25 Sun 04/06/25 Mon 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 70 89 69 89 69 Temp 77 74 71 71 81 87 89 83 76 73 70 70 80 87 89 83 76 73 70 70 80 Dewpt 70 70 69 68 70 71 73 72 71 69 68 67 69 71 72 72 70 69 67 66 68 RH 79 87 93 90 69 59 59 70 85 87 93 90 69 59 57 70 82 87 90 87 67 Wind dir NE E NE NE NE NE E NE NE NE NE E E E E E E E E E E Wind spd 14 12 10 10 11 11 8 9 12 11 10 9 8 5 6 5 8 8 9 6 6 Clouds SC SC SC SC CL CL SC SC FW SC FW SC CL CL B1 B1 FW FW FW FW FW PoP 12hr 20 30 20 40 0 QPF 12hr 0.04 0.37 0.02 0.20 0 Rain shwrs S S S S C C S S S C C Heat index 84 93 97 89 83 92 96 89 82 Max heat 89 84 97 96 83 96 96 82 Wind Date 04/07 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 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 88 69 89 70 88 70 89 Temp 88 76 70 80 88 76 70 80 89 77 71 80 88 76 71 81 89 77 Dewpt 72 71 67 70 74 72 70 70 74 73 71 71 75 73 71 71 75 74 PWind dir E E E E E E E E E Wind char LT LT LT GN LT LT LT LT LT Avg clouds SC B1 FW FW SC B1 SC SC SC B1 FW FW SC B1 SC SC B1 B2 PoP 12hr 50 5 50 30 50 5 50 20 60 Rain shwrs C C C C C C C C C C S S L L $$ VIZ001-050800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Fri Apr 4 2025 Date 04/04/25 Sat 04/05/25 Sun 04/06/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 85 77 86 77 Temp 80 79 78 77 81 84 85 83 80 79 77 78 82 85 86 83 80 79 78 78 82 Dewpt 70 70 69 69 70 70 70 70 70 69 69 69 69 69 69 69 69 69 69 69 68 RH 72 74 74 76 69 63 61 65 72 72 76 74 65 59 57 63 69 72 74 74 63 Wind dir E E E E E E E E E NE E E E E E E E E E E E Wind spd 24 24 20 20 20 19 19 19 19 19 19 17 18 18 17 18 17 17 16 16 17 Clouds B1 SC SC SC CL SC SC SC SC SC CL FW SC SC SC SC SC SC SC SC SC PoP 12hr 40 20 30 20 20 QPF 12hr 0.11 0.09 0.03 0.03 0.02 Rain shwrs C C C S S S S S C S S S S S S S S S Heat index 83 85 89 90 87 83 85 89 90 87 83 85 Max heat 88 83 85 90 89 82 85 90 90 82 85 Wind Date 04/07 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 76 86 77 86 77 86 77 86 Temp 86 80 77 82 86 80 78 82 86 80 78 82 86 80 78 82 86 80 Dewpt 69 69 69 70 70 70 70 70 71 71 71 71 72 72 72 72 72 72 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC FW SC SC FW SC SC SC SC SC B1 B1 SC SC SC SC B2 B2 PoP 12hr 20 10 10 20 40 40 40 50 60 Rain shwrs S S S S S S S S S C C C C S S C C L $$ VIZ002-050800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Fri Apr 4 2025 Date 04/04/25 Sat 04/05/25 Sun 04/06/25 Mon 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 87 74 Temp 79 77 75 75 81 86 87 83 79 77 75 75 81 86 87 83 79 77 75 75 81 Dewpt 69 70 69 69 71 71 71 71 70 70 69 69 70 70 70 70 70 69 69 69 69 RH 72 79 82 82 72 61 59 67 74 79 82 82 69 59 57 65 74 76 82 82 67 Wind dir E E E E E E E E NE NE NE E E E E E E E E E E Wind spd 19 19 18 16 18 18 18 18 16 16 16 16 17 17 17 14 13 14 13 14 17 Clouds FW SC SC SC CL SC B2 SC CL SC SC SC SC SC SC SC SC SC SC SC CL PoP 12hr 30 50 20 20 5 QPF 12hr 0.06 0.12 0.04 0.03 0.01 Rain shwrs C S S S C S S S S S S S S S S S S Heat index 85 91 93 88 85 90 92 87 85 Max heat 87 85 93 92 85 92 91 85 Wind Date 04/07 Tue 04/08/25 Wed 04/09/25 Thu 04/10/25 Fri 04/11/25 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 87 74 87 74 87 75 88 75 88 Temp 87 79 75 81 87 79 75 81 87 79 76 82 88 80 76 82 88 79 Dewpt 69 70 70 70 70 71 71 71 71 72 72 72 72 72 72 73 73 72 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds CL FW B1 B1 B2 B1 FW FW FW FW FW FW SC B1 B1 B1 B2 B2 PoP 12hr 40 60 60 5 5 5 40 50 60 Rain shwrs C C L L C S C C C C C L $$