Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
794 FOCA52 TJSJ 250909 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 509 AM AST Wed Sep 25 2024 PRZ001-252045- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 509 AM AST Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 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 92 79 92 80 91 Temp 81 87 90 91 86 83 81 80 79 87 91 92 87 84 82 81 80 86 90 91 86 83 Dewpt 77 78 77 77 77 78 77 77 77 78 78 78 78 78 78 77 77 77 78 79 78 78 RH 88 75 66 64 75 85 88 91 94 75 66 64 75 82 88 88 91 75 68 68 77 85 Wind dir SE E E E E E E E SE E E E E E E E E E E E E E Wind spd 4 6 14 13 12 9 8 6 6 9 13 14 12 9 8 8 5 4 9 6 8 8 Clouds B2 SC SC B1 SC B2 B2 B2 B2 B1 SC SC SC SC B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 60 60 40 50 40 QPF 12hr 0.25 0.20 0.31 0.18 0.60 Rain shwrs C S C C C L C L C C C C C C C C C C C C C C Tstms S S Heat index 88100103105 97 93 88 87 100106107100 95 91 88 87 97105108 98 93 Max heat 100 106 103 91 100 109 106 93 97 108 106 Heat Y Y Y Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 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 80 92 80 92 80 92 79 93 Temp 81 87 92 84 81 87 92 84 81 87 92 83 80 87 93 84 Dewpt 78 78 78 78 77 78 78 78 77 78 78 78 76 77 78 77 PWind dir E E E E SE SE S E Wind char LT GN LT GN LT LT LT GN Avg clouds B2 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC SC B1 PoP 12hr 60 50 60 40 40 40 5 30 Rain shwrs L L C C L L C C C C C C C C Tstms S S S $$ PRZ002-252045- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 509 AM AST Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 80 89 79 90 Temp 78 86 90 91 86 83 82 81 80 85 88 89 85 82 81 80 79 85 89 90 86 83 Dewpt 77 78 78 78 78 78 77 77 77 78 78 78 78 78 78 78 77 79 78 78 78 78 RH 97 77 68 66 77 85 85 88 91 80 72 70 80 88 91 94 94 82 70 68 77 85 Wind dir E E E E E E E E NE E E E E E E E E E E E E E Wind spd 6 10 11 12 11 9 8 9 9 10 13 14 12 10 10 8 8 9 6 8 6 8 Clouds OV SC SC B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 60 60 50 60 60 QPF 12hr 0.26 0.21 0.40 0.24 0.68 Rain shwrs D C S C C L C L C C C C C C C C C L L C C C Tstms S S S S S S S Heat index 98105106 98 93 90 88 87 97102103 97 91 89 87 98103105 98 93 Max heat 98 106 105 93 97 105 102 89 98 105 103 Heat Y Y Y Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 91 80 91 81 91 80 91 Temp 81 86 91 83 81 86 91 84 82 87 91 83 81 86 91 84 Dewpt 78 79 78 78 77 78 77 77 77 78 77 77 76 77 77 77 PWind dir E E E E E SE E SE Wind char GN GN LT GN LT LT LT LT Avg clouds B2 B1 SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 60 60 60 60 60 40 20 20 Rain shwrs L L L C L L C L L L C S S S S S Tstms S S S $$ PRZ007-252045- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 509 AM AST Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 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 94 78 94 79 93 Temp 79 87 92 93 87 83 80 79 78 87 93 94 88 84 81 80 79 87 92 93 87 84 Dewpt 74 77 78 79 79 78 77 75 74 78 78 80 79 78 77 76 75 78 79 80 79 78 RH 85 72 64 64 77 85 91 88 88 75 62 64 75 82 88 88 88 75 66 66 77 82 Wind dir NE E E SE SE NE NE NE NE E E SE E NE NE NE NE NE E E E E Wind spd 4 4 13 13 12 8 4 4 4 4 13 19 12 5 5 4 4 3 13 10 9 6 Wind gust 32 Clouds SC FW B2 B2 SC SC SC FW FW SC SC B2 B1 SC SC SC SC SC SC B1 B1 SC PoP 12hr 60 10 50 20 40 QPF 12hr 0.83 0.03 0.70 0.06 0.61 Rain shwrs S S L L C S S S S S C C S S S S S S C C S Tstms S S S Heat index 99107110101 93 87 100109114103 95 88 86 100109112101 95 Max heat 99 110 109 91 100 114 112 93 100 112 111 Excess Heat W W W Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 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 80 93 80 93 80 92 79 93 Temp 81 88 93 84 81 88 93 84 81 87 92 83 80 87 93 84 Dewpt 76 78 81 78 76 78 79 78 76 78 79 78 76 78 79 77 PWind dir NE E NE E NE E NE E Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC B1 SC SC SC SC SC SC SC SC PoP 12hr 40 40 10 20 5 30 5 40 Rain shwrs S C C C S S S S S C C C C Tstms S S S S $$ PRZ008-252045- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 509 AM AST Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 78 88 78 89 Temp 79 85 88 89 84 81 80 79 78 84 87 88 84 81 80 79 78 84 88 89 85 82 Dewpt 76 75 76 76 75 75 77 77 76 76 77 77 76 75 78 77 77 77 78 77 76 76 RH 91 72 68 66 74 82 91 94 94 77 72 70 77 82 94 94 97 80 72 68 75 82 Wind dir E E E NE E E E E E E E NE E E E E E E E E E E Wind spd 8 11 9 10 12 16 11 11 11 12 16 19 18 16 12 10 8 10 16 17 12 12 Clouds SC FW SC B1 B2 SC SC SC SC FW SC SC B1 SC SC SC SC FW FW B2 B2 SC PoP 12hr 50 20 40 10 50 QPF 12hr 0.80 0.05 0.24 0.03 0.78 Rain shwrs S S C C C S S S S S C C S S S S C C S Tstms S S S S S Heat index 94 99100 92 87 87 93 99100 93 87 87 94102102 94 89 Max heat 94 102 100 87 93 100 99 87 94 103 100 Excess Heat W W W Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 90 79 89 80 89 79 90 Temp 80 85 90 82 80 85 89 83 80 85 89 82 80 85 90 83 Dewpt 77 77 77 76 76 75 77 75 76 75 76 75 76 75 75 75 PWind dir E E E E SE W SE S Wind char GN GN LT LT LT LT LT LT Avg clouds SC SC SC B1 SC SC SC B1 SC SC SC B1 SC SC SC SC PoP 12hr 10 50 10 60 5 40 5 20 Rain shwrs S S C C L L C C S S S S Tstms S S S S S S $$ PRZ010-252045- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 509 AM AST Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 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 93 75 93 76 93 Temp 77 86 91 92 85 80 78 76 76 85 91 93 86 81 79 77 77 86 91 93 87 83 Dewpt 74 77 79 80 78 77 77 76 75 78 80 81 79 78 78 77 76 79 80 81 79 78 RH 90 75 68 68 80 91 97100 97 80 70 68 80 91 97100 97 80 70 68 77 85 Wind dir NE E SE SW NE NE NE NE NE E E S NE E E E NE E E E NE E Wind spd 4 4 3 5 6 6 4 6 6 5 3 5 8 4 5 4 3 5 8 4 1 5 Clouds FW CL B2 OV B2 FW CL CL FW CL SC B2 OV SC FW FW FW FW FW OV OV FW PoP 12hr 80 0 70 10 80 QPF 12hr 1.16 0.01 1.04 0.01 1.31 Rain shwrs C D L C L L S D D Tstms S S S C C Heat index 97108111 97 87 97109114100 89 100109114101 93 Max heat 97 111 108 97 114 113 87 100 114 113 Excess Heat W W W Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 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 78 93 78 93 80 92 79 93 Temp 79 87 93 83 79 87 93 84 81 87 92 83 80 87 93 84 Dewpt 76 79 81 78 76 78 80 77 76 78 80 77 76 78 80 77 PWind dir E E E SE E SE E S Wind char LT LT LT LT LT LT LT LT Avg clouds CL FW SC B2 SC SC SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 5 70 5 70 5 60 0 20 Rain shwrs L L L L L L S S Tstms C C S S S S $$ VIZ001-252045- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 509 AM AST Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 81 89 81 90 Temp 81 87 90 91 87 84 83 82 81 86 88 89 86 83 82 81 81 86 89 90 86 83 Dewpt 77 78 77 78 78 78 78 78 78 78 78 78 79 79 79 79 79 79 78 79 79 79 RH 88 75 66 66 75 82 85 88 91 77 72 70 80 88 91 94 94 80 70 70 80 88 Wind dir E E E E E E E E E NE E E E E E E E E E E E E Wind spd 12 13 14 16 14 13 14 14 14 14 17 17 16 14 17 12 13 13 11 12 12 13 Clouds B2 SC SC SC SC B2 B1 B1 B1 B1 B1 SC B1 B2 B2 B2 B2 SC SC SC SC SC PoP 12hr 60 60 50 50 30 QPF 12hr 0.22 0.18 0.39 0.20 0.52 Rain shwrs C S S S S L C C C C C C C C C C C C C C C C Tstms S S Heat index 88100103106100 95 93 91 89 98102103100 94 92 90 90100103106100 94 Max heat 100 106 105 94 98 103 103 94 100 106 105 Heat Y Y Y Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 91 80 91 82 91 81 91 Temp 81 86 91 83 81 86 91 85 82 87 91 84 82 87 91 85 Dewpt 79 79 78 79 78 78 77 77 77 78 77 77 77 77 76 77 PWind dir E E E E E SE E E Wind char GN GN GN GN GN LT LT LT Avg clouds B2 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 40 40 40 40 30 20 20 Rain shwrs C C C C C C C C C C C C S S S S Tstms S S S $$ VIZ002-252045- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 509 AM AST Wed Sep 25 2024 Date Wed 09/25/24 Thu 09/26/24 Fri 09/27/24 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 92 79 91 79 91 Temp 79 86 90 91 86 83 81 80 79 86 90 91 86 83 81 80 79 86 90 91 86 83 Dewpt 77 78 78 78 78 78 77 78 78 79 79 79 79 78 78 78 78 79 80 79 79 79 RH 94 77 68 66 77 85 88 94 97 80 70 68 80 85 91 94 97 80 73 68 80 88 Wind dir E E E E E E E E NE E E E E E E E E E E E E E Wind spd 12 12 16 16 14 12 12 12 12 12 13 14 13 14 13 11 11 11 9 13 11 11 Clouds OV SC SC SC SC B1 SC B1 B2 B2 B1 SC B1 B2 B2 B2 B2 SC SC SC SC SC PoP 12hr 40 50 50 50 30 QPF 12hr 0.23 0.16 0.40 0.20 0.52 Rain shwrs L S C C S C C C C C C C C C C C C C C C C C Tstms S S Heat index 98105106 98 93 88 87 100106108100 93 89 87 100108108100 94 Max heat 98 108 105 92 100 109 106 91 100 109 106 Excess Heat W W W Date Sat 09/28/24 Sun 09/29/24 Mon 09/30/24 Tue 10/01/24 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 80 92 80 92 82 92 81 93 Temp 81 87 92 84 81 87 92 85 83 88 92 84 82 88 93 85 Dewpt 79 79 79 78 77 78 79 77 77 78 77 76 76 77 76 76 PWind dir E E E E E E E E Wind char GN GN GN GN GN LT LT LT Avg clouds B2 B1 SC SC SC SC SC SC SC SC SC SC FW FW FW SC PoP 12hr 50 50 40 30 30 20 20 20 Rain shwrs C C C C C C S C C C S S S S S S Tstms S S S $$