Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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171 FOCA52 TJSJ 052103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sun Oct 5 2025 PRZ001-060800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 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 91 77 Temp 82 80 79 78 85 90 91 85 82 80 79 78 85 90 91 84 81 79 78 77 85 Dewpt 75 75 75 74 74 75 75 75 75 75 75 74 75 76 76 76 75 75 75 75 75 RH 79 85 88 88 70 62 60 72 79 85 88 88 72 64 62 77 82 88 91 94 72 Wind dir E E E E E NE NE NE E E E SE E E E E E SE SE SE SE Wind spd 5 6 6 6 5 10 11 11 9 9 6 4 5 9 10 8 6 3 4 4 5 Clouds B2 B1 B2 B2 B1 B1 SC SC B1 SC B1 B1 B1 B1 B2 B2 SC SC SC SC CL PoP 12hr 60 40 40 60 20 QPF 12hr 0.21 0.25 0.17 0.57 0.02 Rain shwrs L C C C C C C C C C C C C C L L S S S S Tstms S S S S S Heat index 88 85 93101102 93 88 85 94102103 93 87 84 93 Max heat 94 87 93 103 100 87 94 103 102 86 93 Coast Flood High Surf Y Y Y Y Y Y Y Y Y Y Y Y Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 78 90 78 91 77 90 Temp 91 82 79 85 91 82 79 85 90 82 79 85 91 81 78 84 90 82 Dewpt 75 75 75 75 76 76 75 75 76 75 75 75 75 74 74 75 76 75 PWind dir SE SE E SE E SE SE SE SE Wind char GN LT GN LT GN LT LT LT LT Avg clouds FW SC B1 B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC SC B1 B2 PoP 12hr 40 40 40 40 40 40 40 30 50 Rain shwrs S C 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 $$ PRZ002-060800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 89 78 89 78 Temp 81 79 78 77 84 88 89 84 81 80 79 78 84 88 89 84 81 80 79 78 84 Dewpt 76 76 76 76 77 77 77 77 76 76 76 76 77 77 77 76 76 76 76 75 77 RH 85 91 94 97 80 70 68 80 85 88 91 94 80 70 68 77 85 88 91 91 80 Wind dir NE NE NE NE NE NE NE NE NE NE NE E NE E E SE E SE SE SE SE Wind spd 6 8 8 6 8 10 10 10 10 9 6 5 8 9 9 6 5 6 5 6 9 Clouds B2 B2 B2 B1 SC B2 B2 B1 B1 B1 B2 B2 B2 B2 SC SC B2 B2 B2 B2 SC PoP 12hr 60 50 60 60 50 QPF 12hr 0.30 0.32 0.24 0.29 0.21 Rain shwrs C L L C C C C C C C L L L L C C C C C C S Tstms S S S S S S S S S S S S S Heat index 87 84 93100101 93 88 85 94100101 92 88 85 94 Max heat 92 86 93 101 101 87 94 102 100 87 94 Coast Flood High Surf Y Y Y Y Y Y Y Y Y Y Y Y Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 78 89 78 89 77 88 77 89 Temp 89 81 79 84 89 81 79 84 89 81 78 83 88 80 78 84 89 81 Dewpt 76 76 76 78 77 77 76 77 77 76 76 76 76 75 75 76 77 75 PWind dir SE E E E E SE SE SE SE Wind char GN LT LT LT GN LT LT LT GN Avg clouds SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B2 PoP 12hr 50 50 40 40 40 40 50 30 50 Rain shwrs C C C C C C C C C C C C C C C C C C Tstms S S S S S S S S S S S $$ PRZ007-060800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 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 76 91 75 90 76 Temp 81 79 77 76 84 90 91 83 80 78 76 75 83 89 90 83 80 78 77 76 84 Dewpt 76 75 73 73 75 77 78 77 76 75 74 72 75 77 78 78 77 76 74 73 76 RH 85 88 87 90 74 66 66 82 88 91 94 90 77 68 68 85 91 94 90 90 77 Wind dir NE N NE NE NE E SE NW N N NE NE NE SE SE SE E E E E E Wind spd 2 4 4 4 3 10 12 4 4 4 4 3 2 10 9 6 6 4 4 4 5 Clouds OV SC SC SC SC SC OV OV OV SC SC SC FW FW B2 B2 SC SC SC SC CL PoP 12hr 70 90 70 50 5 QPF 12hr 0.27 1.28 0.32 0.25 0.01 Rain shwrs L S S D D L S S S C C S S S S Tstms S S S S S S Heat index 87 93103106 92 85 91101104 93 87 93 Max heat 93 85 93 106 104 91 104 103 84 93 Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 91 76 90 76 89 76 89 Temp 90 80 77 84 91 81 77 84 90 80 77 83 89 80 77 83 89 80 Dewpt 78 77 73 75 78 77 74 76 78 77 74 76 78 76 74 76 71 71 PWind dir SE NE E NE E NE SE E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds CL FW SC SC SC SC SC FW SC B1 SC SC B1 B1 SC SC SC SC PoP 12hr 30 30 40 10 60 20 60 20 20 Rain shwrs C C C C C S S L L S S L L S S S S Tstms S S S S S S $$ PRZ008-060800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 87 76 87 76 Temp 79 78 77 76 82 86 87 82 79 78 77 76 82 86 87 82 79 78 77 76 82 Dewpt 74 75 74 73 75 77 76 74 75 75 74 73 75 77 76 75 75 75 74 72 75 RH 85 91 90 90 79 75 70 77 88 91 90 90 79 75 70 79 88 91 90 87 79 Wind dir E E E E E E NE NE E E E E E E E E E E SE SE SE Wind spd 10 11 10 10 11 12 14 13 14 13 11 11 11 12 6 6 5 3 3 5 4 Clouds B2 SC SC SC SC SC SC SC SC SC CL CL FW FW OV OV B2 B2 B2 B2 FW PoP 12hr 50 30 30 70 60 QPF 12hr 0.06 0.08 0.02 1.14 0.25 Rain shwrs C S S S S S C S C L L L L L L Tstms S S S S S S S Heat index 83 89 97 97 87 83 89 97 97 88 83 89 Max heat 87 89 97 95 89 98 96 89 Coast Flood High Surf Y Y Y Y Y Y Y Y Y Y Y Y Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 76 88 77 87 76 87 76 87 Temp 87 79 77 83 88 80 78 83 87 79 77 82 87 79 77 82 87 79 Dewpt 76 75 74 75 76 75 74 76 77 75 74 75 75 74 74 75 76 74 PWind dir NE E NE E NE E S SE SE Wind char LT LT LT LT GN LT LT LT GN Avg clouds SC SC FW FW SC B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 0 50 20 20 20 20 20 30 Rain shwrs C C C C S S S S S S S S S S C C Tstms S S S S $$ PRZ010-060800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 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 84 Dewpt 76 75 74 74 76 77 78 77 76 75 74 74 76 77 78 77 76 76 74 74 76 RH 88 94 97100 75 64 62 80 88 94 97100 75 64 62 80 88 97 97100 77 Wind dir NE NE E E E E N NE NE NE NE E E E E E E E SE SE SE Wind spd 8 9 8 5 4 2 4 6 9 9 6 6 5 2 4 3 5 5 6 6 5 Clouds SC SC SC SC SC SC B2 OV B1 SC CL CL FW FW OV OV B1 B1 B1 B1 FW PoP 12hr 30 70 40 80 40 QPF 12hr 0.02 0.66 0.04 1.27 0.17 Rain shwrs C L L C S D D C C C C Tstms S S S S Heat index 85 94105108 93 85 94105108 93 85 93 Max heat 92 94 109 106 94 109 106 93 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 75 93 74 92 75 92 Temp 92 80 76 85 93 80 76 85 93 80 75 84 92 80 76 85 92 80 Dewpt 78 77 75 75 78 77 75 76 79 77 75 76 78 76 75 76 78 75 PWind dir SE E SW E E E SE SE SE Wind char LT LT LT LT LT LT LT LT GN Avg clouds SC SC FW FW SC B1 FW FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 5 60 20 40 20 20 20 20 Rain shwrs C C L L S C C S S S S S S S S Tstms S S S S S S $$ VIZ001-060800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 91 81 91 81 Temp 85 84 83 82 87 90 91 86 84 83 82 81 87 90 91 86 84 83 82 81 87 Dewpt 77 77 77 76 77 77 77 77 78 78 77 77 78 77 78 78 77 77 77 77 77 RH 77 80 82 82 72 66 64 75 82 85 85 88 75 66 66 77 80 82 85 88 72 Wind dir NE NE E E E E NE NE NE E E E E E SE SE SE SE SE SE SE Wind spd 12 14 16 13 14 13 14 14 14 16 11 11 11 10 10 10 11 11 11 12 13 Clouds B2 B1 B1 B2 B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 50 60 60 60 40 QPF 12hr 0.18 0.46 0.26 0.38 0.19 Rain shwrs C C C C C C L C C C L L L L C C C C C C C Tstms S S S S S S S S S S S S Heat index 95 93 91 89 99104104 97 95 92 90 88 99103106 99 94 91 90 88 98 Max heat 98 94 99 104 103 94 99 106 105 93 98 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 82 91 82 91 81 91 82 90 Temp 91 85 83 87 91 85 83 87 91 84 82 87 91 85 83 86 90 84 Dewpt 77 77 78 78 78 77 77 78 78 77 77 77 77 77 77 78 77 76 PWind dir SE E E E E SE SE SE SE Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 SC B1 B1 SC PoP 12hr 50 50 40 40 50 50 50 40 40 Rain shwrs C C C C C C C C C C C C C C C C C S Tstms S S S S S S S S S $$ VIZ002-060800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 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 77 89 78 Temp 81 79 78 77 84 89 90 84 81 79 78 77 84 88 89 84 81 80 79 78 85 Dewpt 76 75 76 76 77 77 77 77 76 76 76 76 77 77 77 76 76 76 76 75 77 RH 85 88 94 97 80 68 66 80 85 91 94 97 80 70 68 77 85 88 91 91 77 Wind dir NE NE E NE E E E NE NE NE E E E SE SE SE E SE SE SE SE Wind spd 9 13 13 11 12 13 12 11 10 11 9 8 9 10 9 10 5 9 10 10 10 Clouds B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 SC SC SC SC SC PoP 12hr 40 60 60 60 30 QPF 12hr 0.10 0.38 0.30 0.35 0.03 Rain shwrs C C C C C C C L L C L L L L C C S S S S C Tstms S S S S S S S S S Heat index 87 83 94102103 93 87 84 93100101 92 88 85 95 Max heat 92 86 94 103 102 86 93 102 100 87 95 High Surf Y Y Y Y Y Y Y Y Y Y Y Y Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 90 77 90 76 89 77 89 Temp 90 81 78 84 90 81 78 84 90 80 77 83 89 81 78 84 89 81 Dewpt 77 76 77 78 78 77 76 77 78 76 76 77 77 76 76 77 77 75 PWind dir SE E E E E SE SE SE SE Wind char GN GN GN GN GN LT GN GN GN Avg clouds SC B1 B1 B1 SC B1 B1 B1 SC SC SC B1 B1 B1 SC SC SC SC PoP 12hr 40 40 40 40 30 40 50 30 30 Rain shwrs C C C C C C C C C C C C C C C C C S Tstms S S S S S $$