Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
1
2
210 FOCA52 TJSJ 050903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Sun Oct 5 2025 PRZ001-052000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Sun Oct 5 2025 Date Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 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 91 78 91 78 91 Temp 85 90 91 85 82 80 79 78 85 90 91 85 82 80 79 78 85 90 91 84 81 Dewpt 75 75 76 76 75 75 75 74 74 75 75 75 75 75 75 74 75 76 76 76 75 RH 72 62 62 75 79 85 88 88 70 62 60 72 79 85 88 88 72 64 62 77 82 Wind dir S E E E E E E SE E E NE NE E E E N E E E E SE Wind spd 3 6 12 10 6 5 5 4 6 10 11 11 8 8 6 5 5 9 8 6 6 Clouds SC B2 B2 B2 B1 SC B1 B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 SC PoP 12hr 60 60 60 60 60 QPF 12hr 0.67 0.22 0.37 0.23 0.57 Rain shwrs S C L L C C C L C C C C L L C C C C L L S Tstms S S S S S S S S S S Heat index 94101103 94 88 85 93101102 93 88 85 94102103 93 87 Max heat 94 103 102 87 93 103 100 87 94 103 102 Coast Flood W W W W High Surf W W W W Y Y Y Y Y Y Y Y Y Y Y Y Date Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 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 77 91 78 91 78 90 78 91 Temp 78 85 91 82 79 85 91 82 79 85 90 82 79 85 91 81 Dewpt 75 75 75 75 75 75 76 76 75 75 76 75 75 75 75 74 PWind dir SE SE SE E E E SE SE Wind char LT GN LT GN LT LT LT LT Avg clouds SC SC FW SC B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 40 40 40 40 40 40 40 Rain shwrs S S S C C C C C C C C C C C C C Tstms S S S S S S S $$ PRZ002-052000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Sun Oct 5 2025 Date Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 77 89 78 89 Temp 85 89 90 84 81 79 78 77 84 88 89 84 81 80 79 78 84 88 89 84 81 Dewpt 77 77 77 76 76 76 76 76 77 77 77 77 76 76 76 76 77 77 77 76 76 RH 77 68 66 77 85 91 94 97 80 70 68 80 85 88 91 94 80 70 68 77 85 Wind dir SE E E E NE NE NE NE NE NE E NE NE NE NE NE E E E SE SE Wind spd 5 6 6 6 6 8 6 8 6 9 10 9 9 8 8 6 5 6 5 5 6 Clouds B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC SC B2 PoP 12hr 60 60 60 60 60 QPF 12hr 0.22 0.28 0.40 0.30 0.29 Rain shwrs C L C C C C C L L L C C L L L L L L C C C Tstms S S S S S S S S S S S S S S S S S Heat index 95102103 92 87 84 93100101 93 88 85 94100101 92 88 Max heat 95 103 101 86 93 101 101 87 94 102 100 Coast Flood W W W W High Surf W W W W Y Y Y Y Y Y Y Y Y Y Y Y Date Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 89 78 89 78 89 77 88 Temp 79 84 89 81 79 84 89 81 79 84 89 81 78 83 88 80 Dewpt 76 77 76 76 76 78 77 77 76 77 77 76 76 76 76 75 PWind dir SE SE E E E E SE S Wind char LT GN GN GN LT LT LT LT Avg clouds B2 B1 SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 50 50 50 40 40 40 40 50 Rain shwrs C C C C C C C C C C C C C C C C Tstms S S S S S S S S S S S $$ PRZ007-052000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Sun Oct 5 2025 Date Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 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 91 76 91 75 90 Temp 84 90 91 84 81 79 77 76 84 90 91 83 80 78 76 75 83 89 90 83 80 Dewpt 75 78 78 77 76 75 73 73 75 77 78 77 76 75 74 72 75 77 78 78 77 RH 74 68 66 80 85 88 87 90 74 66 66 82 88 91 94 90 77 68 68 85 91 Wind dir E SE SE E NE NE NE NE NE SE SE NE N N N NE NE E SE SE E Wind spd 3 6 9 4 3 3 3 3 3 8 11 2 4 4 4 4 3 8 10 8 6 Clouds SC SC B2 B1 SC FW CL SC FW FW OV OV SC SC SC SC FW FW B2 B2 SC PoP 12hr 60 30 80 30 50 QPF 12hr 0.31 0.02 1.22 0.06 0.25 Rain shwrs S S L C C S S L D C C S S C C S Tstms S S S S S Heat index 92104106 93 87 93103106 92 85 91101104 93 87 Max heat 92 106 104 85 93 106 104 91 104 103 Date Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 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 91 76 90 76 89 Temp 77 84 90 80 77 84 91 81 77 84 90 80 77 83 89 80 Dewpt 74 76 78 77 73 75 78 77 74 76 78 77 74 76 78 76 PWind dir E SE NE E NE E NE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW CL FW SC SC SC SC SC FW SC B1 SC SC B1 B1 PoP 12hr 5 30 30 40 10 60 20 60 Rain shwrs S S C C C C C S S L L S S L L Tstms S S S S S S $$ PRZ008-052000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Sun Oct 5 2025 Date Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 76 87 76 87 Temp 82 86 87 82 79 78 77 76 82 86 87 82 79 78 77 76 82 86 87 82 79 Dewpt 74 76 76 74 74 75 74 73 75 77 76 74 75 75 74 73 75 77 76 75 75 RH 77 72 70 77 85 91 90 90 79 75 70 77 88 91 90 90 79 75 70 79 88 Wind dir E NE NE E E E E E E E NE E E E E E E NE NE NE E Wind spd 2 3 8 5 9 11 10 10 10 10 13 13 12 11 11 11 10 11 13 8 3 Clouds FW CL OV OV B2 FW SC SC FW FW B2 B2 SC SC CL CL FW FW OV OV B2 PoP 12hr 80 50 60 10 70 QPF 12hr 0.78 0.01 0.77 0.01 1.14 Rain shwrs L D C S S L L S S L L L Tstms S S S S S S S S Heat index 88 96 97 87 83 89 97 97 87 83 89 97 97 88 83 Max heat 88 98 96 89 97 95 89 98 96 Coast Flood W W W W High Surf W W W W Y Y Y Y Y Y Y Y Y Y Y Y Date Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 87 76 88 77 87 76 87 Temp 77 82 87 79 77 83 88 80 78 83 87 79 77 82 87 79 Dewpt 74 75 76 75 74 75 76 75 74 76 77 75 74 75 75 74 PWind dir SE NW E E E NE E S Wind char LT LT LT LT LT GN LT LT Avg clouds B2 B1 SC SC FW FW SC B1 SC SC SC SC SC SC SC SC PoP 12hr 60 50 0 50 20 20 20 20 Rain shwrs L L C C C C S S S S S S S S Tstms S S S S S S $$ PRZ010-052000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Sun Oct 5 2025 Date Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 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 93 74 93 74 93 Temp 85 91 93 84 80 77 75 74 85 91 93 84 80 77 75 74 85 91 93 84 80 Dewpt 75 76 78 76 76 75 74 74 76 77 78 77 76 75 74 74 76 77 78 77 76 RH 72 62 62 77 88 94 97100 75 64 62 80 88 94 97100 75 64 62 80 88 Wind dir E SE W NE NE NE NE E NE E SW E NE NE E E E NE N E E Wind spd 3 1 6 4 6 6 6 4 4 2 4 4 6 8 9 8 5 2 3 3 8 Clouds CL CL OV OV B1 FW FW FW FW FW OV OV FW FW CL CL FW FW OV OV B1 PoP 12hr 90 40 70 0 80 QPF 12hr 1.05 0.01 1.12 0 1.27 Rain shwrs L D C S L L D D C Tstms S S S S S S Heat index 93104108 92 85 94105108 93 85 94105108 93 85 Max heat 93 109 106 94 109 106 94 109 106 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 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 92 75 93 75 93 74 92 Temp 75 84 92 80 76 85 93 80 76 85 93 80 75 84 92 80 Dewpt 74 76 78 77 75 75 78 77 75 76 79 77 75 76 78 76 PWind dir E SE E N E S E SE Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC SC FW FW SC B1 FW FW SC SC SC SC SC SC PoP 12hr 40 40 5 60 20 40 20 20 Rain shwrs C C C C L L S C C S S S S Tstms S S S S S S $$ VIZ001-052000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Sun Oct 5 2025 Date Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 82 91 81 91 Temp 87 90 91 87 85 84 83 82 87 90 91 86 84 83 82 81 87 90 91 86 84 Dewpt 77 78 77 77 77 77 77 76 77 77 77 77 78 78 77 77 78 77 78 78 77 RH 72 68 64 72 77 80 82 82 72 66 64 75 82 85 85 88 75 66 66 77 80 Wind dir E E E E NE E E E E E E NE NE NE E E E E SE SE SE Wind spd 10 8 6 9 12 13 13 12 11 13 11 13 14 16 13 11 8 9 8 8 11 Clouds B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 60 60 60 60 60 QPF 12hr 0.25 0.26 0.40 0.30 0.38 Rain shwrs C C C L C C L C L L C C L L L L L L C C C Tstms S S S S S S S S S S S S S S S S S S Heat index 98105104 98 95 93 91 89 99104104 97 95 92 90 88 99103106 99 94 Max heat 98 105 105 94 99 104 103 94 99 106 105 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Date Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 91 82 91 82 91 81 91 Temp 82 87 91 85 83 87 91 85 83 87 91 84 82 87 91 85 Dewpt 77 77 77 77 78 78 78 77 77 78 78 77 77 77 77 77 PWind dir SE SE E E E E SE S Wind char GN GN GN BZ GN GN GN GN Avg clouds B1 B1 SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 PoP 12hr 40 50 50 40 40 50 50 50 Rain shwrs C C C C C C C C C C C C C C C C Tstms S S S S S S S S S $$ VIZ002-052000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Sun Oct 5 2025 Date Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 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 77 90 77 89 Temp 84 89 90 84 81 79 78 77 84 89 90 84 81 79 78 77 84 88 89 84 81 Dewpt 77 76 77 76 76 75 76 76 77 77 77 77 76 76 76 76 77 77 77 76 76 RH 80 66 66 77 85 88 94 97 80 68 66 80 85 91 94 97 80 70 68 77 85 Wind dir E E E E NE NE NE NE NE E E NE NE NE E E E SE SE SE SE Wind spd 9 8 8 9 9 11 10 10 10 12 11 12 11 12 11 8 8 10 10 8 8 Clouds B2 SC SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 SC PoP 12hr 50 60 60 60 60 QPF 12hr 0.08 0.26 0.40 0.30 0.35 Rain shwrs C S S S C C L C L L C C L L L L L L C C S Tstms S S S S S S S S S S S S S S S S S Heat index 94100103 92 87 83 94102103 93 87 84 93100101 92 88 Max heat 94 103 100 86 94 103 102 86 93 102 100 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Date Wed 10/08/25 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 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 77 90 77 90 76 89 Temp 79 85 90 81 78 84 90 81 78 84 90 80 77 83 89 81 Dewpt 76 77 77 76 77 78 78 77 76 77 78 76 76 77 77 76 PWind dir SE SE E E E E SE S Wind char GN GN GN GN GN GN LT GN Avg clouds SC SC SC B1 B1 B1 SC B1 B1 B1 SC SC SC B1 B1 B1 PoP 12hr 30 40 40 40 40 30 40 50 Rain shwrs S C C C C C C C C C C C C C C C Tstms S S S S S $$