Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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852 FOCA52 TJSJ 170903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Thu Apr 17 2025 PRZ001-172000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 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 91 76 88 76 85 Temp 84 89 91 87 81 79 77 77 83 87 88 85 80 78 77 77 81 84 85 82 78 Dewpt 71 72 73 72 73 73 72 72 72 73 74 73 73 73 72 72 72 73 73 73 72 RH 65 57 56 61 77 82 85 85 70 63 63 67 79 85 85 85 74 70 67 74 82 Wind dir SE E E SE SE S NE E E E E E E E E E E E NE NE NE Wind spd 8 13 16 10 5 3 1 1 2 8 9 6 5 6 8 8 10 12 11 11 11 Clouds B1 B2 B2 B2 B2 OV OV B2 B2 OV B2 B2 B2 B2 OV OV B2 B2 B2 B2 SC PoP 12hr 60 90 70 70 60 QPF 12hr 0.63 0.62 0.51 0.28 0.34 Rain shwrs C C L L C D D L L L C C L L L L C C L L C Tstms S S S S S S S S S S S S S S S S S S Heat index 90 97100 94 86 88 94 97 91 85 85 90 92 87 Max heat 90 100 99 85 88 97 96 83 85 92 91 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 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 74 87 73 86 73 86 74 85 Temp 75 81 87 78 74 80 86 78 74 80 86 78 75 80 85 78 Dewpt 71 70 71 70 69 67 67 67 67 68 69 68 68 69 70 70 PWind dir NE NE NE NE NE NE E NE Wind char GN BZ GN GN GN LT LT GN Avg clouds SC SC SC SC FW SC SC SC SC SC SC FW SC SC SC FW PoP 12hr 30 20 30 50 30 20 30 30 Rain shwrs C C S S S C C C C C S S S C C S $$ PRZ002-172000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 75 88 76 86 Temp 83 88 90 86 80 78 76 76 82 87 88 85 80 78 77 77 82 85 86 83 80 Dewpt 73 73 74 74 73 73 72 72 74 74 74 73 73 73 72 72 73 73 73 73 72 RH 72 61 60 68 79 85 87 87 77 65 63 67 79 85 85 85 74 67 65 72 77 Wind dir E SE SE SE SE SE NE NE E E E E E E NE NE NE NE NE NE NE Wind spd 11 12 10 6 5 2 1 2 3 5 6 6 6 8 8 9 10 11 10 10 11 Clouds B2 B2 SC B2 B2 OV OV OV B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 60 90 70 60 60 QPF 12hr 0.39 0.65 0.51 0.27 0.38 Rain shwrs C C C C L D D L L L C C L L L L L L L L C Tstms S S S S S S S S S S S S S S S S S Heat index 89 96 99 94 85 88 95 97 91 85 87 92 93 89 83 Max heat 89 99 99 83 88 97 96 83 87 93 93 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 87 73 85 74 86 74 87 Temp 77 82 87 78 74 80 85 78 75 81 86 78 75 81 87 79 Dewpt 71 72 72 70 69 69 68 68 67 68 69 68 69 70 70 70 PWind dir NE NE NE NE NE NE NE NE Wind char GN GN GN GN GN GN LT LT Avg clouds B2 B1 FW FW SC SC SC FW SC SC SC FW SC SC SC SC PoP 12hr 50 20 20 20 20 20 30 30 Rain shwrs C C S S S S S S S S S S S C C S $$ PRZ007-172000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 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 90 74 90 75 88 Temp 83 88 90 85 80 77 75 75 83 88 90 86 80 78 76 76 82 87 88 84 78 Dewpt 68 69 70 70 70 69 68 67 68 68 69 69 70 69 69 69 69 69 69 69 69 RH 61 54 52 61 72 76 79 76 61 52 50 57 72 74 79 79 65 55 54 61 74 Wind dir E SE SE SE E NE N NE NE SE SE SE NE NE NE NE NE E E NE NE Wind spd 6 11 10 6 3 2 3 2 2 8 9 5 3 5 5 5 5 11 10 5 9 Clouds B1 B2 SC B1 SC B2 OV SC FW SC B2 B2 B2 B2 SC SC SC SC B2 B2 FW PoP 12hr 50 80 60 50 60 QPF 12hr 0.25 0.45 0.39 0.16 0.28 Rain shwrs C C S C C L D S S S L L C C C C C C L L S Tstms S S S S S S S S Heat index 86 93 96 90 83 86 92 95 90 84 86 91 92 87 Max heat 86 96 95 86 95 94 82 86 92 92 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 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 72 89 71 88 71 88 72 87 Temp 73 82 89 77 72 80 88 77 72 80 88 77 73 81 87 78 Dewpt 68 68 66 65 64 63 61 63 61 61 63 64 64 64 66 66 PWind dir NE NE NE NE NE NE NE E Wind char GN GN GN GN LT LT LT GN Avg clouds FW FW FW SC CL CL SC B1 CL CL FW FW CL CL FW FW PoP 12hr 5 40 0 70 5 20 0 20 Rain shwrs S S C C L L S S S S Tstms S S $$ PRZ008-172000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 73 83 74 83 Temp 80 84 85 82 77 75 74 73 79 82 83 80 77 76 74 74 79 82 83 80 76 Dewpt 68 70 72 72 72 73 73 72 71 72 73 73 72 73 73 72 71 72 72 72 71 RH 67 63 65 72 85 94 97 97 77 72 72 79 85 90 97 93 77 72 70 77 85 Wind dir E NE NE NE NE NE NE E E NE NE NE NE NE NE E E NE NE NE NE Wind spd 8 5 8 6 6 9 8 10 10 13 13 13 13 14 16 16 18 19 19 20 20 Clouds FW SC OV OV B2 OV B2 SC CL FW B2 B2 B2 B2 SC SC SC SC B2 B2 SC PoP 12hr 80 70 50 50 50 QPF 12hr 0.99 0.26 0.31 0.11 0.20 Rain shwrs C D D L L C S C C C C S S S S C C S Tstms S S S S S S S S S Heat index 82 88 91 86 86 89 85 87 88 84 Max heat 82 91 91 89 89 88 88 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 84 70 82 70 83 72 83 Temp 73 79 84 75 71 77 82 75 71 77 83 76 72 78 83 76 Dewpt 72 69 70 68 69 66 66 65 67 66 68 68 70 68 69 69 PWind dir NE NE NE NE NE NE E NE Wind char BZ BZ BZ BZ GN GN GN GN Avg clouds SC FW FW FW FW FW FW FW SC SC SC SC FW FW FW SC PoP 12hr 5 5 10 20 20 20 10 20 Rain shwrs S S S S S S S S S S S S S S S S $$ PRZ010-172000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 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 90 73 89 73 89 Temp 82 88 90 85 79 76 74 74 82 87 89 84 79 76 74 74 82 87 89 83 76 Dewpt 71 74 76 76 74 73 72 72 74 76 77 76 74 73 72 71 74 76 77 76 74 RH 69 63 64 75 85 90 93 93 77 70 68 77 85 90 93 90 77 70 68 80 94 Wind dir E S NE NE NE NE NE NE NE NE E NE NE NE NE NE NE NE NE NE NE Wind spd 5 6 5 3 8 6 8 8 5 8 5 9 11 10 11 11 13 14 13 18 17 Clouds FW SC OV OV SC B2 B2 SC CL CL OV OV B2 B2 SC SC FW FW B2 B2 CL PoP 12hr 80 50 70 50 60 QPF 12hr 0.95 0.20 0.58 0.11 0.22 Rain shwrs C D L C C C S L L C C S S S S L L Tstms S S S S S S S S Heat index 86 97102 95 83 88 98102 94 88 98102 91 Max heat 86 102 101 88 102 101 88 102 100 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 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 69 89 68 88 68 88 69 88 Temp 70 80 89 76 70 79 88 75 69 79 88 76 71 80 88 76 Dewpt 70 72 74 70 68 68 70 68 67 68 72 70 69 70 73 71 PWind dir NE NE NE NE NE NE NE NE Wind char GN BZ BZ BZ GN GN GN LT Avg clouds CL CL FW SC CL CL FW SC CL FW SC SC CL CL FW SC PoP 12hr 0 30 0 40 10 50 0 40 Rain shwrs C C C C S C C C C $$ VIZ001-172000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 76 87 77 87 Temp 83 86 87 84 80 78 77 77 82 86 87 84 81 79 78 78 83 86 87 84 80 Dewpt 73 74 74 74 74 74 73 73 74 74 74 73 73 73 73 73 73 73 73 73 73 RH 72 68 65 72 82 88 87 87 77 68 65 70 77 82 85 85 72 65 63 70 79 Wind dir E SE SE SE SE SE SE E E SE SE E E NE NE E E E NE NE NE Wind spd 16 17 14 11 10 10 8 4 6 6 6 9 10 12 13 16 17 17 14 14 17 Clouds SC SC B2 B2 B2 B2 OV OV B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 50 90 60 60 60 QPF 12hr 0.30 0.58 0.46 0.23 0.34 Rain shwrs S C C C C C D L L L C C C C C C L L C C C Tstms S S S S S S S S S S S S S S Heat index 88 93 96 91 85 88 94 95 91 85 88 93 94 90 84 Max heat 88 96 95 83 88 95 95 84 88 95 94 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 90 74 88 74 89 76 85 Temp 77 84 90 80 75 82 88 79 75 82 89 81 77 81 85 79 Dewpt 72 72 72 70 69 69 68 68 67 68 69 68 69 69 70 70 PWind dir NE NE NE NE NE NE NE E Wind char BZ BZ BZ BZ GN GN GN GN Avg clouds B1 SC SC SC SC FW CL FW FW FW FW SC SC SC SC SC PoP 12hr 40 20 20 10 10 30 30 30 Rain shwrs C C S S S S S S S S C C C C S $$ VIZ002-172000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Thu Apr 17 2025 Date Thu 04/17/25 Fri 04/18/25 Sat 04/19/25 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 75 89 74 88 Temp 82 87 88 84 80 78 76 76 83 87 89 85 79 77 75 75 82 86 88 84 78 Dewpt 73 74 75 74 74 74 74 73 74 74 74 73 73 74 73 73 74 74 73 73 73 RH 74 65 66 72 82 88 94 90 74 65 61 67 82 90 94 94 77 68 61 70 85 Wind dir E SE SE SE SE SE SE SE E E SE E E E NE NE E E E NE NE Wind spd 14 14 12 10 5 8 6 5 5 6 5 4 8 9 10 11 13 14 13 13 14 Clouds SC SC B2 B2 SC SC B1 B2 SC B2 SC SC SC SC SC SC SC SC B2 B2 B1 PoP 12hr 50 50 50 30 50 QPF 12hr 0.27 0.24 0.27 0.10 0.27 Rain shwrs C S C C C S C C C C S S S S S S C C C C C Tstms S S S S S S S Heat index 88 95 97 92 84 89 96 98 92 83 87 94 96 90 Max heat 88 97 97 89 98 97 87 96 95 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 Wed 04/23/25 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 87 71 86 70 86 71 86 Temp 74 81 87 77 72 80 86 76 71 79 86 76 72 79 86 78 Dewpt 72 72 72 71 70 70 69 68 67 68 69 68 69 69 70 70 PWind dir NE NE NE NE NE NE NE E Wind char GN GN BZ BZ GN GN GN LT Avg clouds B1 SC CL FW SC FW CL CL CL CL CL FW FW SC SC SC PoP 12hr 40 20 20 0 0 5 30 30 Rain shwrs C C S S S S S C C S $$