Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
043 FOCA52 TJSJ 192103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sat Oct 19 2024 PRZ001-200800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 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 79 91 80 91 79 Temp 83 81 80 79 86 90 91 86 83 82 81 80 86 90 91 85 83 81 80 79 86 Dewpt 78 77 77 78 77 78 78 78 77 78 77 77 77 77 77 76 77 77 77 77 77 RH 85 88 91 97 75 68 66 77 82 88 88 91 75 66 64 75 82 88 91 94 75 Wind dir E SE SE SE E E E E SE SE SE SE SE E E E SE SE SE SE SE Wind spd 8 6 5 6 6 13 16 12 9 9 9 6 8 11 14 10 8 8 6 6 6 Clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 B2 B2 B1 PoP 12hr 40 50 30 50 50 QPF 12hr 0.25 0.65 0.17 0.12 0.35 Rain shwrs C S C C C C C C S S C C S S C C C C C C C Tstms S S S S S S S Heat index 92 88 85 97105106 98 93 91 88 87 97103104 95 91 88 85 98 Max heat 97 90 97 107 104 92 97 105 103 90 98 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 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 79 91 79 89 79 89 80 89 Temp 92 83 80 86 91 83 80 85 89 82 80 85 89 83 81 85 89 85 Dewpt 78 77 77 77 77 77 77 78 78 77 77 78 78 77 78 78 78 78 PWind dir SE SE SE SE E E E E E Wind char GN LT GN LT LT LT GN LT GN Avg clouds B1 B1 B1 B1 SC B1 SC SC SC B2 B2 B2 B1 B1 B2 B2 B1 SC PoP 12hr 50 50 50 30 60 60 60 60 50 Rain shwrs C C C C C C C C L L L L C L L L C C Tstms S S S S S S S S S S S S S S S $$ PRZ002-200800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 92 79 89 79 Temp 83 82 81 80 87 91 92 86 83 81 80 79 85 88 89 84 82 81 80 79 85 Dewpt 79 79 78 78 80 79 79 78 79 78 78 78 79 79 78 78 78 78 77 78 79 RH 88 91 91 94 80 68 66 77 88 91 94 97 82 75 70 82 88 91 91 97 82 Wind dir E E E E E E E E E E E E SE SE SE SE E E SE SE SE Wind spd 9 9 8 8 8 11 13 12 11 11 11 10 10 11 11 8 8 10 11 12 11 Clouds B1 SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 OV OV OV OV B2 PoP 12hr 50 50 50 70 70 QPF 12hr 0.25 0.65 0.30 0.55 0.59 Rain shwrs C C C C C C C C S S C C C C L L L L L L L Tstms S S S S S S S S S S S Heat index 95 92 89 87102108109 98 94 90 86 97103103 95 91 89 85 98 Max heat 98 94 102 109 107 92 97 104 102 90 98 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 77 91 77 90 77 89 78 90 Temp 90 81 78 85 91 81 78 84 90 81 78 84 89 81 79 85 90 85 Dewpt 78 78 78 79 79 78 78 79 78 78 78 79 78 78 78 79 79 79 PWind dir SE SE SE SE SE E E E E Wind char GN GN GN LT LT LT GN GN GN Avg clouds B2 B2 B1 B1 SC B1 B1 SC SC B1 B2 B2 B1 B1 B2 B2 B1 SC PoP 12hr 60 50 40 40 60 60 60 60 50 Rain shwrs L L C C C C C C S L L L L L L L C C Tstms S S S S S S S S S S S S S S S $$ PRZ007-200800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 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 78 91 80 92 79 Temp 83 81 79 78 85 90 91 86 83 82 81 80 87 91 92 86 83 81 80 79 86 Dewpt 78 77 76 75 78 80 80 80 79 78 76 76 79 80 79 79 78 77 77 77 79 RH 85 88 91 91 80 73 70 82 88 88 85 88 77 70 66 80 85 88 91 94 80 Wind dir E NE NE NE NE SE SE SE E NE NE E E SE SE SE E E E E E Wind spd 6 4 4 4 3 12 13 10 8 8 5 5 5 11 8 8 5 5 5 6 6 Clouds SC CL CL CL CL CL CL CL CL CL SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 10 5 20 30 40 QPF 12hr 0.03 0 0.04 0.08 0.16 Rain shwrs S S S S S C C C C C C C Tstms S Heat index 92 88 83 97108109100 95 91 87 86101109109 99 93 89 86 100 Max heat 99 92 97 109 108 93 101 110 107 91 100 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 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 79 91 77 91 79 91 80 91 Temp 92 83 80 86 91 81 78 85 91 83 80 86 91 83 81 86 91 85 Dewpt 80 78 76 79 79 79 77 79 79 78 76 74 73 73 73 74 74 74 PWind dir SE E E E E NE E NE E Wind char GN LT LT LT LT LT LT LT GN Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 40 10 30 30 30 50 50 30 20 Rain shwrs C C S S C C C C S C C C C C C C S S Tstms S S S S $$ PRZ008-200800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 88 78 88 76 Temp 80 79 78 77 83 87 88 83 81 80 79 78 84 87 88 82 80 78 77 76 83 Dewpt 76 77 77 76 76 76 76 76 76 77 76 76 75 75 76 75 74 76 76 75 75 RH 88 94 97 97 80 70 68 80 85 91 91 94 74 68 68 79 82 94 97 97 77 Wind dir E E E E E E E E SE SE E E E E NE E E SE E SE SE Wind spd 6 6 3 9 8 11 5 5 3 4 4 8 5 4 5 5 2 3 4 4 4 Clouds B2 SC CL CL CL CL SC B2 SC CL FW FW FW FW B2 B2 SC SC SC SC SC PoP 12hr 60 70 20 60 20 QPF 12hr 0.24 1.06 0.02 1.01 0.02 Rain shwrs L S C L S L L S S S S S Tstms S S S S S Heat index 86 91 98 99 91 87 85 91 97 99 89 84 90 Max heat 90 85 91 100 98 87 91 99 97 90 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 88 75 86 75 86 76 86 Temp 88 80 77 83 88 79 76 81 86 78 76 81 86 79 77 82 86 82 Dewpt 76 75 76 74 77 75 76 75 77 75 76 75 78 76 77 76 78 76 PWind dir E E NE SE NE E NE E E Wind char LT LT LT LT GN GN GN LT GN Avg clouds B1 B2 SC SC FW B1 SC FW SC B1 SC SC FW SC SC SC B1 B1 PoP 12hr 60 30 40 10 50 30 30 30 60 Rain shwrs L L C C C C S S C C C C C C C C L L Tstms S S S S S S S S $$ PRZ010-200800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 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 75 91 77 91 75 Temp 80 78 76 75 84 90 91 84 81 79 78 77 85 90 91 83 80 78 76 75 84 Dewpt 78 77 76 75 77 80 80 78 77 78 76 75 77 79 79 78 77 76 75 75 77 RH 94 97100100 80 73 70 82 88 97 94 94 77 70 68 85 91 94 97100 80 Wind dir E E NE NE E S S NE NE NE E E E SE SE E E E E E SE Wind spd 2 4 4 5 3 2 6 2 3 3 4 5 3 2 6 6 4 3 6 8 5 Clouds SC CL CL CL CL CL SC B2 CL CL FW FW FW FW B2 B2 SC SC SC SC SC PoP 12hr 30 70 5 50 20 QPF 12hr 0.06 1.05 0 0.26 0.03 Rain shwrs C C L C C S S S S S Tstms S S S S Heat index 86 94107109 95 89 85 95106107 93 85 94 Max heat 93 94 109 107 88 95 108 105 94 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 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 91 74 91 74 91 75 91 Temp 91 80 76 84 91 79 75 84 91 79 75 84 91 80 76 84 91 83 Dewpt 80 77 75 77 79 77 75 78 79 77 75 78 80 77 75 79 80 77 PWind dir SE E SE E SE E NE E E Wind char GN LT LT LT LT LT GN LT LT Avg clouds B1 B2 SC SC SC B1 SC SC SC B1 SC SC SC B2 SC SC B1 B1 PoP 12hr 60 30 40 20 40 30 60 30 60 Rain shwrs L L C C C C S S C C C C L L C C L L Tstms S S S S S S S S S S $$ VIZ001-200800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 91 80 89 81 Temp 83 82 81 80 86 90 91 86 83 82 81 80 85 88 89 85 83 82 82 81 85 Dewpt 79 79 79 79 79 78 79 78 79 78 79 78 79 78 78 79 78 78 78 78 79 RH 88 91 94 97 80 68 68 77 88 88 94 94 82 72 70 82 85 88 88 91 82 Wind dir E E E E E E E E E E E E E E SE SE E E E E SE Wind spd 14 16 13 14 16 14 16 16 17 16 17 16 14 16 13 14 14 18 18 18 18 Clouds B1 SC SC SC SC SC SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 40 20 50 60 60 QPF 12hr 0.20 0.04 0.13 0.53 0.47 Rain shwrs C C C C S S S S S S S S C C L L C C C C L Tstms S S S S S S S S S Heat index 94 92 90 88100105107 98 95 91 90 87 98102103 98 94 92 90 89 99 Max heat 98 94 100 108 106 93 98 103 102 93 99 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 80 90 80 88 79 89 80 89 Temp 89 83 81 86 90 83 81 84 88 82 80 85 89 83 81 85 89 85 Dewpt 78 78 78 79 79 79 79 78 78 79 78 78 78 78 78 79 79 78 PWind dir SE E SE SE E E E E E Wind char BZ GN GN GN LT GN BZ BZ BZ Avg clouds B2 B1 B2 B1 SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1 SC PoP 12hr 60 50 40 40 60 60 60 60 50 Rain shwrs L C C C C C C C C L L L L L L L C C Tstms S S S S S S S S S S S S S S S S $$ VIZ002-200800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sat Oct 19 2024 Date 10/19/24 Sun 10/20/24 Mon 10/21/24 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 79 92 79 91 79 Temp 83 81 80 79 86 91 92 86 83 81 80 79 86 90 91 85 83 81 80 79 86 Dewpt 78 78 78 78 80 79 79 78 79 78 78 77 79 79 78 78 78 78 77 77 79 RH 85 91 94 97 82 68 66 77 88 91 94 94 80 70 66 80 85 91 91 94 80 Wind dir E E E E E E E E E E E E E SE SE E E E E E E Wind spd 12 12 12 12 13 14 16 14 14 13 13 13 13 13 13 13 11 14 14 14 16 Clouds SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC SC SC SC SC SC B1 PoP 12hr 20 20 60 60 50 QPF 12hr 0.06 0.04 0.14 0.26 0.19 Rain shwrs S S S S S S S S S S S S L L C C C C C C C Tstms S S S Heat index 92 89 86 102108109 98 94 90 86 99106106 97 92 89 85 99 Max heat 97 92 102 109 107 92 99 107 104 91 99 Date 10/22 Wed 10/23/24 Thu 10/24/24 Fri 10/25/24 Sat 10/26/24 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 78 91 78 90 77 91 78 90 Temp 91 82 79 85 91 82 79 85 90 81 78 85 91 82 79 85 90 85 Dewpt 79 78 78 79 79 78 78 79 79 78 78 79 79 78 78 79 79 78 PWind dir SE E SE SE E E E E E Wind char BZ GN GN GN LT LT GN GN BZ Avg clouds B1 SC SC SC SC B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 SC SC PoP 12hr 50 20 60 50 60 60 60 60 40 Rain shwrs C C S S L L C C C L L L C L L L C C Tstms S S S S S S S S S S S S S S $$