Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
938 FOCA52 TJSJ 110903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Sat Oct 11 2025 PRZ001-112000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Sat Oct 11 2025 Date Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 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 78 90 78 90 Temp 84 88 89 84 81 80 79 78 85 89 90 84 82 80 79 78 85 89 90 84 82 Dewpt 74 75 75 75 75 75 74 74 75 75 75 74 74 75 74 74 75 75 75 75 75 RH 72 66 64 74 82 85 85 88 72 64 62 72 77 85 85 88 72 64 62 74 79 Wind dir S S S S S S S S SE SE E SE SE E E E E E E E E Wind spd 5 9 11 11 8 5 5 4 5 11 11 8 8 9 9 9 6 12 13 11 10 Clouds SC SC B2 OV SC SC FW SC SC B2 B2 SC SC SC SC SC SC SC FW FW SC PoP 12hr 80 30 50 20 10 QPF 12hr 1.05 0.21 0.18 0.04 0.05 Rain shwrs S S C D S S C S C C S S S S S S S S S S Tstms S S S S Heat index 91 98 99 91 87 85 93 99100 91 87 85 93 99100 92 88 Max heat 91 100 98 86 93 101 99 86 93 101 99 Date Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 78 89 77 89 77 90 Temp 79 85 90 82 79 84 89 81 78 84 89 81 78 84 90 81 Dewpt 75 74 76 75 74 74 75 74 74 74 75 75 73 74 76 74 PWind dir E E SE SE S E S SE Wind char GN GN LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC SC SC SC B1 SC FW SC B1 PoP 12hr 30 30 30 20 20 60 10 50 Rain shwrs C C S C C C S S S S L L S S C C Tstms S S S S $$ PRZ002-112000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Sat Oct 11 2025 Date Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 77 89 79 89 Temp 84 88 89 83 81 79 78 77 84 88 89 84 82 81 80 79 85 88 89 84 81 Dewpt 77 77 76 77 76 76 76 75 77 77 76 76 76 75 75 75 76 77 77 76 76 RH 80 70 66 82 85 91 94 94 80 70 66 77 82 82 85 88 75 70 68 77 85 Wind dir S S S S S S S SE SE SE SE SE E E E E E E E E E Wind spd 10 11 11 10 10 9 8 6 8 10 8 9 9 10 11 10 11 12 12 10 11 Clouds OV B2 B2 OV B2 B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 70 60 60 30 30 QPF 12hr 1.12 0.52 0.22 0.07 0.20 Rain shwrs L L L L C L L C C L C S S S S S C C C C S Tstms S S S S S S S S S S Heat index 93100100 92 87 83 93100100 93 89 86 84 94101101 92 88 Max heat 93 102 100 86 93 102 99 88 94 102 100 Date Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 88 78 88 77 87 77 90 Temp 79 84 88 81 79 84 88 80 78 83 87 80 78 84 90 81 Dewpt 75 77 76 75 75 76 75 75 74 76 75 75 75 77 76 76 PWind dir E E E S S S SW S Wind char GN LT LT LT LT GN GN GN Avg clouds SC B1 B1 B1 SC B1 B1 SC SC SC SC B1 SC SC SC SC PoP 12hr 40 40 40 40 20 40 20 50 Rain shwrs C C C C C C C C S S C C S S S C Tstms S S $$ PRZ007-112000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Sat Oct 11 2025 Date Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 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 88 76 90 76 90 Temp 83 87 88 82 80 78 77 76 84 89 90 83 80 78 77 76 84 89 90 83 80 Dewpt 76 78 78 77 77 75 74 73 76 78 78 76 76 74 73 72 75 77 77 77 76 RH 80 75 72 85 91 91 90 90 77 70 68 80 88 88 87 87 74 68 66 82 88 Wind dir E SE S SE E E NE NE E SE SE SE E E NE NE NE E SE E E Wind spd 2 6 9 4 5 6 6 5 5 11 9 6 6 5 4 4 5 11 10 10 6 Clouds B2 B1 B2 B2 SC SC B1 B1 SC SC SC SC FW FW CL CL FW FW SC SC SC PoP 12hr 50 40 30 5 10 QPF 12hr 0.49 0.23 0.12 0 0.05 Rain shwrs C C C C C C C C S S C S S S S Tstms S S S S S S Heat index 91100101 90 85 93103104 91 86 92102103 92 86 Max heat 91 102 100 93 105 101 84 92 103 101 Date Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 76 90 76 90 76 89 76 90 Temp 77 84 90 80 77 84 90 80 77 83 89 80 77 84 90 80 Dewpt 73 74 77 76 73 75 77 75 72 74 77 75 73 76 78 76 PWind dir NE E E SE E S E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 10 40 10 30 20 30 10 40 Rain shwrs S S C C S S C C S S C C S S C C $$ PRZ008-112000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Sat Oct 11 2025 Date Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 76 88 75 87 Temp 83 88 89 83 80 78 77 76 83 87 88 82 79 77 76 75 82 86 87 81 79 Dewpt 75 76 76 74 75 74 73 72 75 76 76 75 75 75 73 72 74 75 76 76 76 RH 77 68 66 74 85 88 87 87 77 70 68 79 88 94 90 90 77 70 70 85 91 Wind dir S S S S S SE SE SE E NE N NE NE SE E E E E NE E E Wind spd 10 11 12 11 8 5 5 6 6 5 6 6 3 5 8 9 10 10 11 12 13 Clouds CL CL SC SC SC CL CL CL CL FW B2 OV B1 B1 FW FW CL CL SC SC B1 PoP 12hr 30 10 70 40 40 QPF 12hr 0.08 0.05 1.06 0.06 0.12 Rain shwrs S C S L L C C S S C Tstms S S Heat index 91 99100 89 85 90 98 99 88 88 95 97 88 Max heat 91 100 99 83 90 99 97 88 98 96 Date Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 86 76 87 75 87 76 87 Temp 76 81 86 79 77 82 87 79 76 82 87 79 77 82 87 79 Dewpt 74 74 76 75 74 74 76 74 73 75 76 75 73 75 76 75 PWind dir E E SE SW S SW S SW Wind char GN LT LT LT LT GN GN GN Avg clouds SC FW SC B1 CL FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 60 10 20 20 30 10 40 Rain shwrs C L L S S S S S C C S S C C Tstms S S S S $$ PRZ010-112000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Sat Oct 11 2025 Date Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 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 75 92 74 91 Temp 85 91 92 84 80 78 76 75 85 91 92 83 79 77 75 74 84 90 91 83 79 Dewpt 77 79 78 77 76 75 75 75 76 78 78 77 76 76 74 73 75 77 78 77 76 RH 77 68 64 80 88 91 97100 75 66 64 82 91 97 97 97 74 66 66 82 91 Wind dir S S S S SE SE SE E E SE SE E E E E E E E N NE E Wind spd 10 13 13 12 10 9 8 9 8 8 4 8 3 4 4 3 4 2 6 5 6 Clouds FW SC SC SC CL SC CL FW CL FW B2 OV SC SC CL CL CL CL OV OV B2 PoP 12hr 30 10 70 10 80 QPF 12hr 0.16 0.22 1.04 0.01 1.17 Rain shwrs S S C S L L S S D D C Tstms S S S S Heat index 95107107 93 86 94105107 92 84 91103106 91 83 Max heat 95 109 105 84 94 107 105 91 106 104 Date Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 74 91 75 92 75 91 75 92 Temp 75 84 91 80 76 85 92 80 76 84 91 80 76 85 92 80 Dewpt 74 75 77 75 75 75 78 75 74 75 78 75 75 76 79 76 PWind dir E S E S SE S S S Wind char LT LT LT LT LT GN LT GN Avg clouds B1 FW SC B1 CL FW SC B1 SC SC SC SC SC SC SC B1 PoP 12hr 50 60 10 50 20 40 10 50 Rain shwrs C L L S C C S S C C S S C C Tstms S S S S S S S S $$ VIZ001-112000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Sat Oct 11 2025 Date Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 81 90 82 89 Temp 86 89 90 86 84 83 82 81 86 89 90 86 84 83 83 82 86 88 89 85 83 Dewpt 77 78 78 77 77 77 77 77 76 77 77 76 76 76 76 77 77 78 77 77 76 RH 75 70 68 75 80 82 85 88 72 68 66 72 77 80 80 85 75 72 68 77 80 Wind dir S S S S S SE SE SE SE SE SE E E E E E E E E E E Wind spd 16 14 13 14 13 13 11 14 12 13 13 13 13 16 17 17 16 17 14 16 17 Clouds OV OV OV B2 B2 OV B2 B1 B2 B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 90 70 60 20 10 QPF 12hr 0.78 0.51 0.17 0.04 0.06 Rain shwrs D D L L C L L C L C S S S S S S S S S S S Tstms S S S S S S S S S Heat index 97103104 97 93 91 89 88 96102103 96 94 92 90 90 97102101 96 92 Max heat 97 105 105 93 96 103 102 93 97 103 101 Date Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 89 81 90 81 89 82 90 Temp 82 85 89 83 82 86 90 84 82 85 89 84 82 86 90 84 Dewpt 76 77 76 76 76 75 76 76 76 76 76 77 77 77 77 76 PWind dir E E E SE S S S SW Wind char BZ GN GN LT GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 30 30 30 30 20 30 30 50 Rain shwrs C C C S S C C S S S S C C C C C Tstms S S $$ VIZ002-112000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Sat Oct 11 2025 Date Sat 10/11/25 Sun 10/12/25 Mon 10/13/25 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 77 91 Temp 83 88 89 83 80 78 77 76 83 88 89 83 81 79 78 77 85 90 91 85 82 Dewpt 77 77 77 76 76 76 76 75 77 76 77 75 75 75 75 75 76 76 77 76 76 RH 82 70 68 80 88 94 97 97 82 68 68 77 82 88 91 94 75 64 64 75 82 Wind dir S S SE S SE SE SE SE SE E E E E E E E E E E E E Wind spd 13 14 12 12 11 10 11 11 13 13 13 11 12 14 13 13 14 16 14 13 14 Clouds B2 OV OV OV B2 OV B2 B2 B2 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 70 70 60 30 30 QPF 12hr 0.70 0.51 0.15 0.06 0.07 Rain shwrs L L L L C L C C L C S S S S S S C C S S S Tstms S S S S S S S S S Heat index 93100101 90 85 93 99101 91 86 83 94102104 94 89 Max heat 93 103 100 84 93 102 100 85 94 105 103 Date Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 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 89 77 90 77 89 78 90 Temp 79 84 89 81 78 84 90 81 78 84 89 81 79 85 90 81 Dewpt 75 77 76 75 75 76 76 75 75 76 77 75 76 77 77 76 PWind dir E E E SE S S S S Wind char GN GN GN LT LT GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 30 20 20 20 20 30 30 50 Rain shwrs C C S S S S S S S S S C C C C C Tstms S S $$