Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
449 FOCA52 TJSJ 042103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sat Oct 4 2025 PRZ001-050800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sat Oct 4 2025 Date 10/04/25 Sun 10/05/25 Mon 10/06/25 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 78 90 78 Temp 82 80 79 78 85 90 91 85 82 80 79 78 85 89 90 84 82 80 79 78 85 Dewpt 74 75 74 74 75 76 75 75 75 75 74 74 75 75 76 75 75 75 75 74 74 RH 77 85 85 88 72 64 60 72 79 85 85 88 72 64 64 74 79 85 88 88 70 Wind dir E SE S SE SE E E E E E E SE E E E NE E E N N E Wind spd 6 5 4 4 4 9 12 11 6 6 6 5 6 10 11 11 8 6 5 4 3 Clouds OV OV B2 SC SC B2 B2 B2 SC SC SC SC SC SC B2 B2 B2 B2 B2 B2 B1 PoP 12hr 70 60 50 50 50 QPF 12hr 0.35 0.35 0.16 0.26 0.15 Rain shwrs L L L S S C C L C C C C C C C C C C C C C Tstms S S S S S S S S S S Heat index 87 85 94102102 93 88 85 93 99101 92 88 85 93 Max heat 91 87 94 103 100 87 93 102 100 87 93 Coast Flood W W W W W W High Surf W W W W W W W W W W W W Date 10/07 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 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 77 91 78 91 78 90 Temp 91 82 79 85 91 81 78 85 91 82 79 85 91 82 79 85 90 82 Dewpt 76 75 74 75 76 75 75 75 76 75 75 75 76 75 74 75 76 75 PWind dir E SE SE SE E E E SE SE Wind char LT LT GN LT GN LT GN LT LT Avg clouds B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 FW PoP 12hr 60 20 40 40 40 30 40 50 50 Rain shwrs L L S S S C C C C C C C C C C C C Tstms S S S S $$ PRZ002-050800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sat Oct 4 2025 Date 10/04/25 Sun 10/05/25 Mon 10/06/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 89 78 90 78 Temp 81 80 79 78 84 88 89 84 81 80 79 78 85 89 90 84 82 80 79 78 84 Dewpt 76 76 76 76 77 76 77 77 76 76 76 75 76 77 77 76 76 76 75 75 77 RH 85 88 91 94 80 68 68 80 85 88 91 91 75 68 66 77 82 88 88 91 80 Wind dir E E E E SE E E E E NE NE E E E E NE NE NE NE NE NE Wind spd 4 5 5 4 6 10 9 8 8 6 6 6 6 10 10 10 9 6 5 3 3 Clouds B2 B2 B2 B1 B2 B2 B1 B1 SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 60 60 60 60 60 QPF 12hr 0.29 0.21 0.23 0.28 0.18 Rain shwrs C L L C L L C C C C C L L L C C C C C C L Tstms S S S S S S S S S Heat index 88 85 94 99101 93 88 85 94102103 93 89 86 94 Max heat 92 87 94 101 101 87 94 103 101 87 94 Coast Flood W W W W W W High Surf W W W W W W W W W W W W Date 10/07 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 78 89 78 89 78 89 78 89 Temp 89 81 79 84 89 81 79 84 89 81 79 84 89 81 79 84 89 81 Dewpt 76 76 75 76 77 76 76 77 77 77 75 77 76 76 75 76 77 76 PWind dir E SE SE E E NE E E SE Wind char LT LT GN GN GN GN GN LT LT Avg clouds B2 SC SC SC SC B1 B2 B2 B1 B1 B2 B1 SC B1 B1 B1 B1 SC PoP 12hr 60 20 60 60 50 50 40 50 50 Rain shwrs L C S S C L L L C C C C C C C C C S Tstms S S S S S $$ PRZ007-050800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sat Oct 4 2025 Date 10/04/25 Sun 10/05/25 Mon 10/06/25 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 90 75 90 75 Temp 80 78 76 75 83 89 90 83 80 78 76 75 83 89 90 83 80 78 76 75 83 Dewpt 75 74 73 72 75 77 77 77 76 75 73 72 75 78 78 77 76 75 73 72 75 RH 85 88 90 90 77 68 66 82 88 91 90 90 77 70 68 82 88 91 90 90 77 Wind dir NE NE NE NE NE SE E SE NE NE NE NE NE SE SE E NE N N N NE Wind spd 3 3 2 3 3 9 8 6 2 3 3 3 3 11 13 8 3 4 3 2 2 Wind gust 24 Clouds SC SC SC SC SC SC B2 B1 CL CL CL FW CL FW B2 B2 B1 B1 B1 B1 FW PoP 12hr 30 60 10 50 40 QPF 12hr 0.03 0.28 0.02 0.39 0.09 Rain shwrs C S S S S S L C S S C C C C C C Tstms S S S Heat index 84 91101103 91 84 91103104 91 84 91 Max heat 91 91 103 101 91 105 102 91 Date 10/07 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 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 76 90 76 91 76 91 76 89 Temp 90 80 77 84 90 80 77 84 91 81 77 84 91 81 77 83 89 80 Dewpt 78 76 74 76 78 76 73 75 78 77 74 76 78 77 74 76 73 72 PWind dir SE E E NE E NE E NE SE Wind char LT LT LT LT GN LT GN LT LT Avg clouds SC SC SC FW FW FW SC SC SC SC CL CL SC B1 SC SC SC B1 PoP 12hr 30 5 30 30 40 0 60 10 60 Rain shwrs C C S S C C C C C L L S S L L Tstms S S S S S S $$ PRZ008-050800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sat Oct 4 2025 Date 10/04/25 Sun 10/05/25 Mon 10/06/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 87 76 87 76 Temp 79 77 76 75 82 86 87 82 79 78 77 76 82 86 87 82 79 78 77 76 82 Dewpt 73 73 73 72 75 76 76 74 75 75 73 72 74 76 76 75 75 75 73 72 74 RH 82 87 90 90 79 72 70 77 88 91 87 87 77 72 70 79 88 91 87 87 77 Wind dir E E E E E NE E E E E E E E E NE E E E E E E Wind spd 5 6 5 5 5 4 8 4 6 10 10 9 10 12 12 9 9 11 10 9 8 Clouds B1 SC SC SC SC SC OV OV SC SC FW CL CL CL B2 B2 B1 B1 B1 B1 SC PoP 12hr 40 80 40 60 40 QPF 12hr 0.04 0.82 0.05 0.52 0.11 Rain shwrs C S L D C S S L L C C C C S Tstms S S S S Heat index 88 96 97 87 83 88 96 97 88 83 88 Max heat 86 88 98 95 88 98 96 88 Coast Flood W W W W W W High Surf W W W W W W W W W W W W Date 10/07 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 75 87 75 87 76 88 76 87 Temp 87 79 76 82 87 79 76 82 87 79 77 83 88 80 77 82 87 79 Dewpt 76 74 74 74 76 75 74 75 76 75 75 76 76 75 74 75 76 75 PWind dir NE SE NE E E E E E E Wind char LT LT LT LT LT LT GN GN GN Avg clouds B1 B2 B2 B1 SC SC FW FW SC B1 FW FW SC FW CL FW FW FW PoP 12hr 60 60 50 0 60 5 10 5 10 Rain shwrs L L L L C C L L S S S S S Tstms S S S S S S S S $$ PRZ010-050800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sat Oct 4 2025 Date 10/04/25 Sun 10/05/25 Mon 10/06/25 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 74 93 74 92 74 Temp 79 77 75 74 85 91 93 84 80 77 75 74 84 91 92 83 79 77 75 74 84 Dewpt 74 74 73 73 75 77 78 77 76 75 74 74 76 77 78 77 76 75 74 74 75 RH 85 90 94 97 72 64 62 80 88 94 97100 77 64 64 82 91 94 97100 74 Wind dir NE E E E NE SW N NE NE NE NE E E N NW NE NE E E E E Wind spd 4 4 3 4 3 1 5 4 3 5 4 3 4 1 4 2 4 8 5 4 3 Clouds B1 SC SC SC SC SC OV OV FW FW CL CL CL CL OV OV FW FW FW FW CL PoP 12hr 40 90 5 70 5 QPF 12hr 0.05 1.06 0.01 1.05 0 Rain shwrs C D D S S L L Tstms S S S S Heat index 83 93105108 93 85 93104107 92 84 92 Max heat 91 93 109 106 93 107 105 92 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Date 10/07 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 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 93 74 93 75 93 75 92 Temp 92 80 76 85 93 80 75 85 93 80 76 85 93 80 76 85 92 80 Dewpt 78 76 74 76 77 76 74 75 78 76 75 76 78 77 75 76 78 76 PWind dir E E SE E NE E E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B2 B1 SC SC SC FW FW SC B1 FW FW SC SC CL CL FW SC PoP 12hr 60 40 40 5 60 5 30 0 20 Rain shwrs L L C C C C L L C C S S Tstms S S S S S S $$ VIZ001-050800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sat Oct 4 2025 Date 10/04/25 Sun 10/05/25 Mon 10/06/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 91 82 91 81 Temp 84 83 82 81 87 90 91 87 85 84 83 82 87 90 91 86 84 83 82 81 87 Dewpt 77 77 77 77 77 77 76 77 76 76 77 77 77 77 77 77 76 77 77 77 77 RH 80 82 85 88 72 66 62 72 75 77 82 85 72 66 64 75 77 82 85 88 72 Wind dir E E E E E E E E NE E E E E E E NE NE NE NE E E Wind spd 9 9 10 10 12 11 9 10 12 12 12 12 11 11 12 12 12 13 9 10 10 Clouds B2 SC B1 B1 B2 B1 B2 B2 SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 50 60 60 60 60 QPF 12hr 0.15 0.24 0.24 0.28 0.18 Rain shwrs C S C C C C C L C C L L L L C C C C C C L Tstms S S S S S S S S Heat index 93 91 89 88 98103103 98 94 92 91 90 99104104 97 93 91 90 88 98 Max heat 97 92 98 103 103 93 99 105 103 92 98 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Date 10/07 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 81 91 82 91 82 91 82 90 Temp 91 84 82 87 91 85 83 87 91 85 83 87 91 85 83 86 90 84 Dewpt 77 77 77 77 77 77 78 78 78 77 78 77 77 77 77 77 77 76 PWind dir SE SE SE E E E E E SE Wind char GN GN GN GN GN GN GN GN LT Avg clouds B1 SC SC SC SC B1 B2 B2 B1 SC SC SC SC B1 B2 B2 B2 SC PoP 12hr 60 30 60 60 40 30 50 50 50 Rain shwrs L S S C C L L L C C C C C C C C C C Tstms S S S S S S S $$ VIZ002-050800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sat Oct 4 2025 Date 10/04/25 Sun 10/05/25 Mon 10/06/25 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 90 78 90 77 Temp 81 79 78 77 84 89 90 84 82 80 79 78 85 89 90 84 81 79 78 77 84 Dewpt 76 75 76 76 77 76 77 76 76 76 76 75 76 76 77 76 76 75 75 75 77 RH 85 88 94 97 80 66 66 77 82 88 91 91 75 66 66 77 85 88 91 94 80 Wind dir E E E E E E E E NE NE E E E E NE NE NE NE NE E E Wind spd 6 9 9 10 11 10 10 9 11 10 11 10 9 11 10 11 10 9 8 6 8 Clouds B2 SC B1 B2 B2 SC SC SC SC SC B2 B2 B2 B2 B2 B2 SC SC SC SC SC PoP 12hr 60 50 60 60 30 QPF 12hr 0.23 0.13 0.24 0.26 0.05 Rain shwrs C C C L C S S S C C L L L L C C S S S S C Tstms S S S Heat index 87 83 94100103 93 89 86 94100103 92 87 83 93 Max heat 92 86 94 103 101 87 94 103 101 86 93 Date 10/07 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 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 78 90 78 90 77 89 77 89 Temp 89 81 79 85 90 82 79 85 90 81 78 84 89 81 78 84 89 81 Dewpt 77 76 76 77 77 76 76 78 78 76 76 78 77 76 76 76 76 76 PWind dir SE SE SE E E E E SE SE Wind char GN GN GN GN GN GN GN LT LT Avg clouds SC SC SC SC SC B1 B2 B1 SC SC FW FW SC SC SC B1 B1 B1 PoP 12hr 30 30 50 50 30 20 30 40 50 Rain shwrs C S S C C C C C C C S C C C C C C Tstms S S $$