Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
209 FOCA52 TJSJ 032103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Fri Oct 3 2025 PRZ001-040800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Fri Oct 3 2025 Date 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 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 91 78 Temp 81 79 78 77 84 89 90 84 82 80 79 78 85 90 91 85 82 80 79 78 85 Dewpt 74 74 73 73 73 74 75 75 74 74 74 74 75 75 76 75 75 75 75 75 75 RH 79 85 85 87 70 61 62 74 77 82 85 88 72 62 62 72 79 85 88 91 72 Wind dir E SE S N SE NE NE E E SE S N SE E E E E E E E E Wind spd 5 4 3 3 2 6 12 11 6 5 5 4 4 9 11 12 8 6 6 6 6 Clouds SC SC OV B2 SC B2 OV OV SC SC B1 B1 SC SC SC SC B1 B1 B1 B1 B2 PoP 12hr 70 80 40 40 50 QPF 12hr 0.23 0.74 0.16 0.10 0.18 Rain shwrs S C L L S L D L C C C C C C S S C C C C C Tstms S S Heat index 86 83 91 98100 92 87 85 94101103 93 88 85 93 Max heat 91 85 91 101 99 86 94 103 101 87 93 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 10/06 Tue 10/07/25 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 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 78 90 77 91 78 92 78 91 Temp 90 82 79 85 90 81 78 85 91 82 79 86 92 82 79 85 91 82 Dewpt 76 75 74 74 76 75 74 75 76 75 75 75 77 76 75 76 76 75 PWind dir E E SE SE E SE E E E Wind char GN LT LT LT GN LT GN LT GN Avg clouds B2 B1 SC B1 B1 SC FW FW FW SC SC SC SC B1 SC SC SC B1 PoP 12hr 50 50 50 5 20 20 40 30 40 Rain shwrs C C C C C C S S S S C C C C C C $$ PRZ002-040800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Fri Oct 3 2025 Date 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 89 78 89 78 Temp 81 79 78 77 84 88 89 84 81 80 79 78 84 88 89 84 81 80 79 78 84 Dewpt 75 75 75 74 76 76 75 75 76 75 75 75 76 76 76 76 76 76 75 75 76 RH 82 88 91 90 77 68 64 74 85 85 88 91 77 68 66 77 85 88 88 91 77 Wind dir NE NE NE N NE E E E E E E E E E E E E E E E E Wind spd 5 4 3 4 3 8 6 6 6 6 6 6 8 9 8 8 8 8 8 6 6 Clouds SC B2 OV B2 B2 B2 B2 OV SC SC B1 B1 B1 B1 SC SC B2 B2 B2 B2 B2 PoP 12hr 70 70 40 60 60 QPF 12hr 0.36 0.31 0.16 0.13 0.31 Rain shwrs C L L C L L C L C C C C C C S S L L L L L Tstms S S S S S S S Heat index 86 83 92 99 99 91 88 85 93 99100 92 88 85 93 Max heat 91 85 92 100 98 87 93 100 99 87 93 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 10/06 Tue 10/07/25 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 78 88 78 90 79 89 78 89 Temp 89 81 79 84 88 81 79 85 90 82 80 85 89 81 79 84 89 82 Dewpt 76 76 75 77 76 76 75 76 77 77 76 78 77 76 76 77 77 77 PWind dir E E SE SE SE E E NE E Wind char GN LT LT LT GN GN GN GN GN Avg clouds B2 B2 B2 B2 B1 SC FW FW SC B1 B2 B2 B1 B1 B2 B1 SC B1 PoP 12hr 60 60 60 20 50 50 50 50 40 Rain shwrs L L L L L S S C C C C C C C C C C Tstms S S S S S $$ PRZ007-040800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Fri Oct 3 2025 Date 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 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 72 71 73 76 77 77 76 74 73 72 75 77 78 77 76 75 73 72 75 RH 85 88 87 87 72 66 66 82 88 88 90 90 77 68 68 82 88 91 90 90 77 Wind dir N N N N NE SE SE E NE NE NE NE E SE SE E E NE NE NE NE Wind spd 3 3 4 3 3 6 8 4 3 4 3 3 4 8 8 5 2 3 3 3 3 Clouds B2 SC SC SC FW FW SC SC FW FW CL CL FW FW B1 B1 FW FW FW FW FW PoP 12hr 60 30 5 40 5 QPF 12hr 0.15 0.17 0.01 0.15 0.01 Rain shwrs L C S S C C S S C C Tstms S Heat index 84 89100103 91 84 91101104 91 84 91 Max heat 91 89 103 101 91 104 102 91 Date 10/06 Tue 10/07/25 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 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 75 90 76 90 76 91 77 90 Temp 90 80 76 83 90 80 77 84 90 80 77 84 91 81 78 84 90 81 Dewpt 78 76 73 75 79 76 73 76 78 77 74 76 79 77 72 72 73 72 PWind dir E NE E E SE E E NE E Wind char GN LT LT LT GN LT GN LT GN Avg clouds SC SC FW SC SC SC FW FW SC SC SC SC FW SC FW FW FW SC PoP 12hr 40 5 30 5 30 30 40 0 40 Rain shwrs C C S S C C C C C C C C C C $$ PRZ008-040800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Fri Oct 3 2025 Date 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 87 75 87 76 Temp 79 77 76 75 82 86 87 81 79 77 76 75 82 86 87 82 79 78 77 76 83 Dewpt 73 73 73 71 73 74 75 74 74 74 74 72 73 76 76 74 75 75 74 72 75 RH 82 87 90 87 74 68 68 79 85 90 94 90 74 72 70 77 88 91 90 87 77 Wind dir E E E E E NE NE E E E SE E E NE NE E E E E E E Wind spd 10 9 6 4 4 3 8 6 8 8 4 4 3 4 8 6 11 12 10 10 9 Clouds FW FW FW SC SC FW SC B2 SC SC FW FW FW FW OV OV B1 B1 B1 B1 FW PoP 12hr 10 60 30 70 40 QPF 12hr 0.01 0.30 0.06 1.18 0.14 Rain shwrs S S S L C C L L C C C C Tstms S S S Heat index 87 94 96 87 87 96 97 87 83 90 Max heat 86 87 97 95 87 98 95 90 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 10/06 Tue 10/07/25 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 87 75 88 76 87 76 87 Temp 88 80 77 82 87 79 76 82 88 80 77 82 87 79 77 82 87 79 Dewpt 76 75 74 74 75 75 73 74 76 75 74 75 77 76 75 76 77 75 PWind dir E E E SE E E E E NE Wind char GN GN LT LT LT LT LT LT GN Avg clouds SC B1 FW FW SC B1 SC SC SC SC FW FW SC B1 FW FW FW FW PoP 12hr 60 5 50 20 30 0 60 5 10 Rain shwrs L L S S C C S S C C L L S S Tstms S S S S $$ PRZ010-040800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Fri Oct 3 2025 Date 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 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 93 74 Temp 80 77 75 74 85 91 93 84 80 77 75 74 85 91 93 84 80 77 75 74 85 Dewpt 74 74 73 72 74 76 77 76 75 75 74 73 75 77 78 76 76 75 75 74 75 RH 82 90 94 93 70 62 60 77 85 94 97 97 72 64 62 77 88 94100100 72 Wind dir NE E E E E SE SW E E E E E E W NW NE E E E S E Wind spd 9 6 4 2 2 2 4 2 3 3 3 3 3 2 6 5 6 6 4 4 3 Clouds SC SC FW FW FW FW B2 OV SC SC CL CL CL CL OV OV SC SC SC SC FW PoP 12hr 30 90 30 70 5 QPF 12hr 0.02 0.80 0.05 1.16 0.01 Rain shwrs C S L D C C L L S S S S Tstms S S S S Heat index 84 92104107 92 84 93105108 92 85 93 Max heat 91 92 107 105 93 109 106 93 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 10/06 Tue 10/07/25 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 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 93 74 93 74 93 74 93 75 93 Temp 93 80 75 85 93 80 75 85 93 80 75 85 93 80 76 85 93 80 Dewpt 78 76 74 75 78 76 75 76 78 77 74 75 79 76 75 76 79 77 PWind dir NE E SE E SE E E NE NE Wind char LT LT LT LT LT LT LT LT GN Avg clouds SC B1 FW FW SC B1 SC FW SC SC FW FW SC B1 FW FW FW SC PoP 12hr 60 5 50 5 50 0 60 0 30 Rain shwrs L L S S C C S S C C L L C C Tstms S S S S $$ VIZ001-040800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Fri Oct 3 2025 Date 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 91 82 91 82 Temp 84 83 82 81 87 90 91 87 85 84 83 82 87 90 91 87 85 84 83 82 86 Dewpt 75 76 75 76 76 77 77 76 76 77 76 76 77 77 77 77 76 77 77 77 77 RH 74 80 79 85 70 66 64 70 75 80 80 82 72 66 64 72 75 80 82 85 75 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 9 9 6 6 9 9 6 8 10 12 11 11 11 11 9 10 13 14 14 13 13 Clouds B1 B2 B2 B2 B2 B2 B2 B2 SC SC B1 B1 B1 B1 SC SC B2 B2 B2 B2 B2 PoP 12hr 60 60 40 60 60 QPF 12hr 0.31 0.18 0.16 0.21 0.31 Rain shwrs C L L L L L L L C C C C C C C C L L L L L Tstms S S S S S S S Heat index 92 91 88 87 97103104 97 94 93 90 89 99104104 98 94 93 91 90 98 Max heat 96 92 97 104 103 94 99 105 103 93 98 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date 10/06 Tue 10/07/25 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 81 90 82 91 82 92 82 91 Temp 90 84 82 86 90 84 83 87 91 85 83 88 92 85 83 87 91 85 Dewpt 77 76 77 77 76 76 77 77 77 77 78 78 78 77 77 78 77 77 PWind dir E E SE SE SE E E E E Wind char GN GN GN GN GN BZ BZ BZ BZ Avg clouds B2 B2 B2 B2 B1 SC FW FW B1 B2 B2 B2 B1 SC SC SC SC B1 PoP 12hr 60 60 60 20 60 60 50 30 50 Rain shwrs L L L L L S S L L L L C C C C C C Tstms S S S S S S S S S $$ VIZ002-040800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Fri Oct 3 2025 Date 10/03/25 Sat 10/04/25 Sun 10/05/25 Mon 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 89 78 90 77 Temp 81 79 78 77 84 88 89 84 81 80 79 78 85 89 90 84 81 79 78 77 84 Dewpt 75 75 75 74 76 77 77 76 76 75 76 75 76 76 77 76 76 76 76 75 77 RH 82 88 91 90 77 70 68 77 85 85 91 91 75 66 66 77 85 91 94 94 80 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 8 8 6 6 6 8 6 6 9 11 10 9 10 10 10 10 11 11 11 11 11 Clouds SC B1 B1 B2 B1 B2 B2 B2 SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 50 50 40 60 60 QPF 12hr 0.19 0.15 0.16 0.25 0.31 Rain shwrs S C C C C C C L C C C C C C C C L L L L L Tstms S S S S S S S Heat index 86 83 92100101 92 88 85 94100103 92 87 84 94 Max heat 91 85 92 102 100 87 94 103 101 86 94 Date 10/06 Tue 10/07/25 Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 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 77 89 77 90 78 90 77 89 Temp 90 81 78 84 89 81 78 84 90 82 79 85 90 81 78 84 89 81 Dewpt 77 76 76 77 76 76 76 77 77 77 77 78 78 76 76 77 77 76 PWind dir E E SE E SE E E E E Wind char GN LT GN GN GN GN BZ GN BZ Avg clouds B2 B2 B2 B2 SC SC SC SC B1 B2 B1 B1 B1 SC FW FW SC SC PoP 12hr 60 60 30 20 60 50 50 20 30 Rain shwrs L L L L C S S S L L C C C C S C C Tstms S S S S S S $$