Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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427 FOCA52 TJSJ 202103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sat Jul 20 2024 PRZ001-210800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sat Jul 20 2024 Date 07/20/24 Sun 07/21/24 Mon 07/22/24 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 81 91 79 90 79 Temp 84 83 81 82 87 90 91 88 83 81 79 80 86 89 90 87 83 81 79 80 86 Dewpt 78 77 78 77 77 77 76 75 75 76 76 75 76 76 76 77 76 77 77 76 76 RH 82 82 91 85 72 66 62 66 77 85 91 85 72 66 64 72 80 88 94 88 72 Wind dir E E E E E E NE E E E E E E E E E E E E E E Wind spd 10 6 6 11 11 13 17 14 12 11 10 10 11 13 13 12 10 10 10 10 11 Clouds CL CL SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC PoP 12hr 20 20 60 60 50 QPF 12hr 0.03 0.04 0.25 0.55 0.23 Rain shwrs S S S S S S S S C C L L L L C C C C S Obvis H H H H H H H H Heat index 95 91 90 91 99103103 98 90 87 84 86 95101102 99 91 88 84 86 95 Max heat 100 93 99 104 102 89 95 102 102 90 95 Date 07/23 Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 90 79 91 79 91 79 90 79 89 Temp 90 83 79 86 91 83 79 86 91 83 79 86 90 83 79 85 89 82 Dewpt 76 76 76 76 76 76 76 77 78 78 78 78 78 78 77 77 76 MM PWind dir E E E E E E E E E Wind char GN GN BZ GN BZ GN BZ GN GN Avg clouds SC SC FW SC SC SC CL FW SC FW SC SC FW CL CL CL CL FW PoP 12hr 20 50 50 50 50 20 5 0 10 Rain shwrs S S S C C C C C S S S S S $$ PRZ002-210800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sat Jul 20 2024 Date 07/20/24 Sun 07/21/24 Mon 07/22/24 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 84 90 80 89 80 Temp 86 85 84 85 88 90 90 88 83 82 80 81 85 88 89 87 83 82 80 81 87 Dewpt 78 77 77 76 77 77 76 76 75 75 76 75 76 77 77 77 76 77 76 76 76 RH 77 77 80 75 70 66 64 68 77 79 88 82 75 70 68 72 80 85 88 85 70 Wind dir E E E NE NE NE NE NE NE E E E E E E E E E E E E Wind spd 10 9 11 11 11 12 16 13 13 11 13 13 14 13 13 12 12 12 12 12 13 Clouds CL CL SC SC SC SC SC SC CL SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC PoP 12hr 20 20 60 60 60 QPF 12hr 0.04 0.05 0.27 0.56 0.28 Rain shwrs S S S S S S C C C L L L L L L L L S Obvis H H H H H H H H Heat index 98 95 94 94100102102 98 91 88 86 87 95101102 98 91 89 86 88 97 Max heat 102 97 100 103 101 90 95 102 101 91 97 Date 07/23 Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 80 91 81 92 81 91 81 91 Temp 91 84 80 87 91 84 81 88 92 85 81 87 91 84 81 87 91 84 Dewpt 77 76 76 76 77 76 76 78 78 78 78 78 78 77 77 77 77 MM PWind dir E E E E E E E E E Wind char BZ GN BZ BZ BZ BZ BZ GN GN Avg clouds SC SC FW SC B1 B1 CL SC B1 FW SC SC FW FW FW FW CL FW PoP 12hr 20 50 60 60 60 20 10 5 10 Rain shwrs S S S C L L L L S S S S S S S S Tstms S S S S $$ PRZ007-210800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sat Jul 20 2024 Date 07/20/24 Sun 07/21/24 Mon 07/22/24 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 92 74 90 75 Temp 81 79 77 78 86 91 92 87 80 77 74 76 83 88 90 86 80 77 76 77 85 Dewpt 74 74 73 73 75 75 73 73 72 72 72 71 73 75 75 75 74 73 73 73 74 RH 79 85 87 85 70 60 54 63 77 85 93 85 72 66 62 70 82 87 90 87 70 Wind dir E NE NE NE NE E E NE NE NE NE NE E E E E E E E E E Wind spd 9 5 6 4 9 13 17 13 8 8 6 4 6 14 17 14 9 5 5 8 9 Wind gust 24 27 27 Clouds FW CL CL CL CL FW CL CL CL CL FW FW SC SC B1 B1 SC SC SC SC CL PoP 12hr 0 5 20 40 20 QPF 12hr 0 0 0.01 0.23 0.02 Rain shwrs S S C C S S S S Obvis H H H H H H H H Heat index 87 95102101 95 84 89 98100 95 84 93 Max heat 99 86 95 103 100 89 100 99 83 93 Date 07/23 Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 92 75 92 75 92 75 91 75 92 Temp 92 81 76 85 92 81 76 85 92 81 76 85 91 81 76 85 92 81 Dewpt 74 73 73 74 75 73 73 75 76 75 74 75 75 73 73 73 74 MM PWind dir E E E E E E E NE E Wind char BZ GN GN LT GN LT GN LT BZ Avg clouds FW FW CL CL FW FW CL FW SC SC CL CL FW FW CL CL FW FW PoP 12hr 10 0 10 5 40 0 5 0 20 Rain shwrs S S S S S C C S S S S $$ PRZ008-210800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sat Jul 20 2024 Date 07/20/24 Sun 07/21/24 Mon 07/22/24 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 91 75 89 76 Temp 82 79 78 79 85 90 91 87 80 77 75 77 83 88 89 86 80 78 76 77 83 Dewpt 76 77 77 77 75 76 75 74 74 75 75 75 74 74 75 75 75 77 76 76 74 RH 82 94 97 94 72 64 60 65 82 94100 94 74 63 64 70 85 97100 97 74 Wind dir E E E E E E NE E E E E E E E E E E E E E E Wind spd 19 14 12 12 14 18 21 18 18 17 16 13 16 18 20 19 20 16 13 12 13 Clouds SC CL CL CL FW SC CL CL CL CL CL CL FW FW OV OV SC SC SC SC FW PoP 12hr 10 20 5 70 10 QPF 12hr 0 0.01 0 1.07 0.01 Rain shwrs S S L L S S S S S Tstms S S Obvis H H H H H H H H Heat index 89 84 94101102 95 85 90 96 99 94 85 90 Max heat 98 87 94 102 100 83 90 99 98 84 90 Date 07/23 Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 89 76 89 76 89 76 89 Temp 88 80 76 84 89 81 77 84 89 80 77 84 89 80 77 84 89 80 Dewpt 75 75 76 74 75 75 76 75 77 76 77 76 77 76 77 75 75 MM PWind dir E E E E E E E E NE Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC FW FW SC CL FW SC SC CL CL CL CL CL CL FW FW PoP 12hr 30 20 40 5 40 0 0 0 20 Rain shwrs C C S S C C S C C S S $$ PRZ010-210800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sat Jul 20 2024 Date 07/20/24 Sun 07/21/24 Mon 07/22/24 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 93 74 91 75 Temp 82 79 77 78 86 92 93 88 80 77 75 76 84 90 91 87 80 78 76 77 85 Dewpt 78 77 75 75 78 80 79 76 76 75 74 73 76 78 78 77 77 77 75 74 77 RH 88 94 94 91 77 68 64 68 88 94 97 90 77 68 66 72 91 97 97 90 77 Wind dir E E NE NE NE NE NE NE NE NE E E E E E E E E E E E Wind spd 6 6 8 9 11 13 13 18 14 12 11 8 5 3 2 3 4 5 5 5 4 Clouds B1 CL CL CL CL FW FW FW CL CL CL CL FW FW OV OV SC SC SC SC CL PoP 12hr 40 5 0 70 10 QPF 12hr 0.10 0.01 0 1.07 0.01 Rain shwrs C S L L S S S S Tstms S S Obvis H H H H H H H Heat index 91 84 99110110 99 86 93104106 99 87 95 Max heat 105 89 99 110 108 83 93 106 105 84 95 Date 07/23 Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 91 75 92 75 92 75 92 75 92 Temp 91 80 76 85 92 81 76 85 92 81 76 85 92 81 76 85 92 81 Dewpt 78 76 74 77 78 77 75 77 79 78 76 78 79 78 75 77 78 MM PWind dir E E E E E E E E NE Wind char LT LT LT LT LT LT LT GN LT Avg clouds SC B1 FW CL SC B1 CL CL SC B1 CL CL FW SC CL CL FW SC PoP 12hr 70 10 60 0 60 0 30 0 40 Rain shwrs L L S L L L L C C C C Tstms S S S S S S $$ VIZ001-210800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sat Jul 20 2024 Date 07/20/24 Sun 07/21/24 Mon 07/22/24 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 93 80 91 80 Temp 85 84 82 83 89 92 93 90 84 82 81 81 87 90 91 88 84 82 80 81 86 Dewpt 78 78 78 77 76 77 76 76 76 76 76 76 76 77 77 77 77 77 77 76 76 RH 80 82 88 82 66 62 58 64 77 82 85 85 70 66 64 70 80 85 91 85 72 Wind dir E E E NE E NE NE NE E E E E E E E E E E E E E Wind spd 13 17 17 17 18 18 18 20 19 21 20 20 20 19 18 17 17 19 19 19 20 Clouds CL CL SC SC SC SC SC CL CL SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC PoP 12hr 20 20 50 50 50 QPF 12hr 0.03 0.03 0.26 0.47 0.23 Rain shwrs S S S S S C C C C C C C C C C C S Obvis H H H H H H H H Heat index 97 94 92 93100106106101 94 90 87 88 97103105101 93 90 87 88 96 Max heat 103 96 100 106 105 92 97 105 104 92 96 Date 07/23 Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 80 90 82 90 81 90 81 90 Temp 90 83 80 86 90 85 82 87 90 84 81 86 90 84 81 86 90 84 Dewpt 77 77 77 76 77 77 78 78 78 78 78 78 78 78 77 76 77 MM PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC SC FW SC B1 B1 FW SC SC FW FW FW FW FW FW PoP 12hr 20 30 30 60 60 20 10 10 20 Rain shwrs S S C C C C C L L S S S S S S S S S Tstms S S $$ VIZ002-210800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sat Jul 20 2024 Date 07/20/24 Sun 07/21/24 Mon 07/22/24 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 80 92 79 91 80 Temp 84 82 80 82 87 91 92 89 83 81 80 81 86 90 91 88 84 82 80 81 87 Dewpt 78 77 77 76 77 77 76 76 75 76 76 76 77 78 78 77 77 77 76 76 76 RH 82 85 91 82 72 64 60 66 77 85 88 85 75 68 66 70 80 85 88 85 70 Wind dir E E E NE NE NE NE NE E E E E E E E E E E E E E Wind spd 14 14 14 14 14 18 18 17 17 17 18 17 17 17 17 16 14 16 14 17 19 Clouds FW CL SC SC SC SC CL SC SC SC B2 B2 B2 B2 SC SC B2 B2 B2 B2 FW PoP 12hr 20 20 60 60 60 QPF 12hr 0.03 0.03 0.28 0.26 0.27 Rain shwrs S S S S S S C C C L L S S L L L L S Obvis H H H H H H H H Heat index 95 90 87 88 99105105100 91 88 84 87 97105106101 93 90 86 88 97 Max heat 103 93 99 105 104 90 97 106 105 92 97 Date 07/23 Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 91 79 92 80 91 80 91 80 91 Temp 91 83 79 87 92 84 80 87 91 84 80 87 91 84 80 87 91 84 Dewpt 77 77 76 76 77 77 77 78 79 78 78 78 78 78 77 77 77 MM PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds FW SC SC SC SC FW FW SC B1 FW SC SC FW FW FW FW FW FW PoP 12hr 20 30 30 60 60 20 10 10 10 Rain shwrs S S C C C S S L L S S S S S S S S S Tstms S S $$