Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
552 FOCA52 TJSJ 190903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Thu Sep 19 2024 PRZ001-192000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Thu Sep 19 2024 Date Thu 09/19/24 Fri 09/20/24 Sat 09/21/24 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 80 91 80 92 Temp 86 89 90 86 83 82 81 80 86 90 91 86 83 82 81 80 87 91 92 87 84 Dewpt 78 78 78 77 77 77 77 77 78 77 78 78 77 77 77 76 77 77 78 78 77 RH 77 70 68 75 82 85 88 91 77 66 66 77 82 85 88 88 72 64 64 75 80 Wind dir E NE NE NE NE E S S S NE NE E E S S S S E NE E SE Wind spd 1 5 8 6 4 3 2 2 3 4 11 6 5 4 4 3 4 5 11 4 3 Clouds B2 B2 SC B2 SC CL SC B2 SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 50 50 30 30 QPF 12hr 0.42 0.25 0.62 0.07 0.27 Rain shwrs L C C C S C C C C C C C C C C C C C C S Tstms S S S S S S Heat index 99103104 97 92 89 87 87 99103106 99 93 90 88 86 99104107100 93 Max heat 99 106 104 92 99 106 105 91 99 107 107 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 90 79 90 80 90 Temp 81 86 91 83 81 86 90 82 80 85 90 83 81 86 90 82 Dewpt 77 77 78 77 77 77 78 77 76 77 77 77 76 77 77 77 PWind dir S E S SE S E SE E Wind char LT LT LT LT LT GN LT GN Avg clouds SC SC SC B1 SC SC B1 B2 B2 B1 B1 B2 B1 B1 SC SC PoP 12hr 20 40 30 60 60 60 40 20 Rain shwrs S S C C S C L L L L L L C C S S Tstms S S S S S S $$ PRZ002-192000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Thu Sep 19 2024 Date Thu 09/19/24 Fri 09/20/24 Sat 09/21/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 77 90 78 91 Temp 85 89 90 84 81 79 78 77 85 89 90 85 82 80 79 78 86 90 91 85 82 Dewpt 79 78 78 77 77 78 77 77 78 78 77 77 77 77 77 76 78 77 77 77 76 RH 82 70 68 80 88 97 97100 80 70 66 77 85 91 94 94 77 66 64 77 82 Wind dir NE NE NE N NE NE NE NE NE E E E SE SE S S S SE SE S S Wind spd 3 4 5 5 4 3 2 1 2 5 6 5 4 4 4 4 5 6 8 6 4 Clouds B2 B1 SC B2 SC SC SC B1 SC SC SC SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 60 40 50 40 40 QPF 12hr 0.43 0.25 0.31 0.07 0.10 Rain shwrs L C C C S S C C C C C C C C C C C C S S S Tstms S S S S S Heat index 99103104 95 88 84 96103103 95 89 86 98103104 96 89 Max heat 99 105 103 87 96 104 102 88 98 104 104 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 90 76 89 77 90 78 90 Temp 79 85 90 80 77 84 89 81 78 85 90 82 79 85 90 82 Dewpt 77 78 77 77 76 78 77 76 76 77 77 76 76 78 77 77 PWind dir S S S S SE SE E E Wind char LT LT LT LT LT LT GN GN Avg clouds SC SC SC SC SC B1 B1 B2 B2 B2 B1 SC B2 B1 SC SC PoP 12hr 30 30 40 60 60 50 50 40 Rain shwrs S C C C C C C L L L C C C C C C Tstms S S S S S S S $$ PRZ007-192000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Thu Sep 19 2024 Date Thu 09/19/24 Fri 09/20/24 Sat 09/21/24 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 89 93 94 87 83 81 79 78 87 93 94 88 84 81 80 79 87 92 93 87 84 Dewpt 76 78 79 78 77 77 76 74 77 79 80 79 78 77 76 75 78 79 78 78 78 RH 66 62 62 75 82 88 91 88 72 64 64 75 82 88 88 88 75 66 62 75 82 Wind dir E SE SE SE NE N N N NE SE S SE E NE N N E SE S SE E Wind spd 2 5 6 3 2 2 3 2 2 6 8 4 3 3 3 4 3 6 5 5 3 Clouds CL CL SC B2 CL CL CL FW FW FW SC SC FW FW FW FW FW FW SC SC FW PoP 12hr 60 5 40 5 20 QPF 12hr 0.59 0.01 0.17 0.01 0.17 Rain shwrs C L S S C C S S S S Tstms S S S S Heat index 100109111100 92 88 99110113102 94 89 85 84100109108101 95 Max heat 100 111 111 91 99 113 112 92 100 109 108 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 94 79 91 78 92 79 92 Temp 81 88 94 84 80 86 91 82 79 86 92 83 80 87 92 82 Dewpt 76 77 79 78 76 78 79 77 76 77 79 78 76 77 78 77 PWind dir NE SE E SE E E NE E Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW SC B2 B2 B1 SC SC SC SC SC SC CL FW SC SC PoP 12hr 10 50 50 40 10 20 5 40 Rain shwrs S C C C C C C S S S S S C C Tstms S S S S $$ PRZ008-192000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Thu Sep 19 2024 Date Thu 09/19/24 Fri 09/20/24 Sat 09/21/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 76 89 78 88 Temp 84 88 89 83 80 78 77 76 84 88 89 84 81 80 79 78 84 87 88 84 81 Dewpt 75 76 77 76 75 77 76 76 75 76 76 75 75 77 77 76 75 76 76 75 75 RH 74 68 68 80 85 97 97100 74 68 66 74 82 91 94 94 74 70 68 74 82 Wind dir E NE NE NE E E E E E NE N NE E E E SE SE N NW NE E Wind spd 8 6 10 10 10 9 8 6 6 1 6 2 8 8 5 3 3 4 10 6 4 Clouds B1 CL SC SC SC CL SC SC FW FW SC SC SC SC SC SC SC SC B2 B2 SC PoP 12hr 40 20 30 20 50 QPF 12hr 0.08 0.06 0.05 0.03 0.42 Rain shwrs C S S S S S S S C C S S S S S S C C S Tstms S S Heat index 93 99101 92 85 91 99100 92 87 85 92 98 99 91 87 Max heat 93 102 101 83 91 100 99 86 92 99 98 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 88 78 88 78 88 77 87 Temp 79 84 88 81 79 84 88 81 79 84 88 80 78 83 87 80 Dewpt 76 75 76 75 76 75 76 75 76 75 76 74 76 74 76 75 PWind dir SE W SE S SE NE E NE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW SC B2 B2 B1 SC B1 SC SC SC B1 PoP 12hr 10 20 5 60 60 60 10 60 Rain shwrs S S S S S C L L L L L S S L L Tstms S S S S S S S S $$ PRZ010-192000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Thu Sep 19 2024 Date Thu 09/19/24 Fri 09/20/24 Sat 09/21/24 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 76 93 76 93 Temp 87 93 94 86 81 79 77 77 86 91 93 86 81 79 77 77 86 91 93 86 82 Dewpt 78 80 80 77 77 78 76 75 78 80 80 78 77 77 77 75 78 80 80 77 77 RH 75 66 64 75 88 97 97 94 77 70 66 77 88 94100 94 77 70 66 75 85 Wind dir E SW W E NE NE E E E SW W N NE E S S SE S W N NE Wind spd 4 2 5 8 8 5 5 4 4 3 5 1 5 6 3 4 4 5 10 4 2 Clouds SC SC SC B2 FW CL CL SC FW CL SC SC SC SC SC SC FW FW B1 B1 CL PoP 12hr 60 10 40 5 40 QPF 12hr 0.70 0.02 0.17 0.01 0.32 Rain shwrs S S C L S S S C C S S S S C C Tstms S S S S S S Heat index 100111111 98 89 98110112 98 88 98110112 97 90 Max heat 100 111 110 88 98 112 110 87 98 113 109 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 77 93 76 92 76 93 76 91 Temp 78 86 93 81 77 85 92 81 77 86 93 81 77 85 91 80 Dewpt 76 78 79 77 76 78 79 77 76 78 79 76 76 78 79 77 PWind dir E S E SE SE SE E NE Wind char LT LT LT LT LT LT LT LT Avg clouds CL FW SC SC FW FW SC B2 SC SC SC B1 CL FW SC B1 PoP 12hr 5 40 5 60 30 60 5 60 Rain shwrs C C S S L L C C L L L L Tstms S S S S S S $$ VIZ001-192000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Thu Sep 19 2024 Date Thu 09/19/24 Fri 09/20/24 Sat 09/21/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 80 89 81 89 Temp 86 89 90 86 83 82 81 80 85 88 89 86 83 82 81 81 86 88 89 86 83 Dewpt 78 77 77 77 77 78 77 77 77 76 77 76 77 77 77 76 77 76 76 76 76 RH 77 68 66 75 82 88 88 91 77 68 68 72 82 85 88 85 75 68 66 72 80 Wind dir NE E N N NE NE NE E E SE S E E SE SE S S S S SE E Wind spd 5 4 2 4 4 4 3 2 3 5 4 4 5 6 8 6 6 6 5 5 4 Clouds SC B1 SC B2 FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 20 40 20 20 QPF 12hr 0.33 0.08 0.25 0.05 0.10 Rain shwrs C C C C S S S S S C C C S S S S S S S S S Tstms S S S S Heat index 99102103 97 92 90 87 87 96 99101 95 93 91 89 88 97 99100 95 92 Max heat 99 103 104 92 96 102 101 92 97 100 100 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 89 81 89 81 89 80 90 Temp 81 86 89 83 81 86 89 83 81 86 89 83 80 86 90 84 Dewpt 77 77 76 77 77 77 76 77 77 76 76 76 76 77 76 77 PWind dir SE S S SE SE SE E E Wind char LT LT LT LT GN GN GN GN Avg clouds SC SC SC SC SC B1 SC SC B2 B2 B1 B1 B1 B1 SC SC PoP 12hr 20 30 40 60 60 50 40 20 Rain shwrs S S S C C C C L L L C C C C S S Tstms S S S $$ VIZ002-192000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Thu Sep 19 2024 Date Thu 09/19/24 Fri 09/20/24 Sat 09/21/24 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 77 91 78 91 Temp 85 89 90 84 81 79 78 77 85 90 91 85 82 80 79 78 86 90 91 86 83 Dewpt 78 78 78 77 77 77 77 77 78 78 77 76 76 77 76 75 77 77 77 76 76 RH 80 70 68 80 88 94 97100 80 68 64 75 82 91 91 91 75 66 64 72 80 Wind dir E E SE NE NE E NE E E SE S SE E SE SE SE SE SE S SE SE Wind spd 5 4 2 3 3 4 3 3 4 5 6 6 5 8 6 6 8 8 9 6 5 Clouds B1 B1 SC B1 FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 20 40 20 30 QPF 12hr 0.26 0.08 0.24 0.03 0.27 Rain shwrs C C C C S S S S S C C C S S S S S S C C C Tstms S S S Heat index 97103104 95 88 83 97104104 95 89 87 96103104 96 90 Max heat 97 105 103 88 97 105 103 88 96 105 103 Date Sun 09/22/24 Mon 09/23/24 Tue 09/24/24 Wed 09/25/24 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 78 91 78 90 79 91 Temp 80 85 90 82 79 86 91 82 79 85 90 82 80 86 91 83 Dewpt 77 77 77 76 77 78 77 76 77 77 77 76 76 78 78 77 PWind dir SE SE SE SE SE E E E Wind char LT LT LT LT LT GN GN GN Avg clouds SC SC SC SC SC SC B1 SC SC SC B1 B1 SC SC SC SC PoP 12hr 30 30 40 40 40 50 20 20 Rain shwrs C C C S S C C S S C C C S S S S $$