Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
189 FOCA52 TJSJ 200903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Sun Apr 20 2025 PRZ001-202000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 83 74 86 73 86 Temp 79 82 83 80 77 76 75 75 81 85 86 82 78 76 74 74 80 85 86 82 78 Dewpt 71 71 72 70 69 69 68 67 66 66 66 65 65 66 66 67 67 67 68 67 67 RH 77 69 70 72 76 79 79 76 60 53 51 56 64 71 76 79 65 55 55 61 69 Wind dir NE NE NE NE N NE N N N N N N N N N NE NE NE NE NE NE Wind spd 13 14 13 14 13 12 13 12 11 14 14 13 10 9 6 3 2 8 9 8 6 Clouds OV B2 SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC PoP 12hr 80 30 20 30 30 QPF 12hr 0.72 0.08 0.02 0.07 0.05 Rain shwrs D L S C C C S C S S S S C C C C S S S Tstms S S Heat index 82 86 88 84 83 87 88 84 83 87 89 85 Max heat 82 88 87 83 88 88 83 89 89 Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 73 85 74 86 75 85 75 86 Temp 74 80 85 78 75 81 86 79 76 81 85 79 76 81 86 79 Dewpt 67 67 68 69 69 69 71 70 71 71 73 73 73 73 74 73 PWind dir E E E E E E E E Wind char LT LT LT GN LT LT LT GN Avg clouds SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 10 10 10 30 40 40 40 40 Rain shwrs S S S S S S C C C C C C C C C C $$ PRZ002-202000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 75 85 70 86 Temp 81 85 86 83 79 77 76 76 81 84 85 81 75 73 71 71 79 84 86 82 76 Dewpt 72 72 72 71 70 69 68 68 67 67 67 65 66 66 66 67 68 67 67 67 67 RH 74 65 63 67 74 76 76 76 63 57 55 58 74 79 84 87 69 57 53 61 74 Wind dir NE NE NE N N N N N N N N N N N N N NE NE NE NE NE Wind spd 12 14 13 14 14 14 13 14 11 14 16 14 11 9 9 3 4 6 8 9 8 Clouds B2 B2 B1 SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 60 20 20 30 20 QPF 12hr 0.54 0.04 0.02 0.04 0.03 Rain shwrs L L C C S S S S S S S S C C S S S S S Tstms S S Heat index 85 90 92 87 83 87 87 83 87 89 84 Max heat 85 92 91 83 88 87 89 88 Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 86 72 87 74 86 74 86 Temp 71 79 86 77 73 80 87 79 75 81 86 78 75 81 86 79 Dewpt 66 67 68 69 69 70 71 71 71 72 74 73 73 73 74 73 PWind dir NE E E E E E E E Wind char LT LT LT LT LT LT GN GN Avg clouds SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B2 B1 PoP 12hr 20 10 20 40 50 50 50 50 Rain shwrs S S S S S S C C C C C C C C C C $$ PRZ007-202000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 72 88 71 88 Temp 81 86 88 84 78 75 73 73 81 86 88 83 77 74 72 72 81 86 88 83 77 Dewpt 69 67 67 67 65 64 63 63 60 60 60 60 60 61 61 61 63 64 64 65 66 RH 67 53 50 57 64 69 71 71 49 42 39 46 56 64 68 68 54 48 45 55 69 Wind dir NE NE NE N N NE N N N N N N N N N N N E SE E NE Wind spd 9 13 13 12 12 14 11 11 9 13 10 12 8 4 2 3 2 6 4 2 2 Wind gust 24 25 Clouds B1 SC SC SC FW FW FW FW FW FW B1 B1 FW FW SC SC SC SC B2 B2 SC PoP 12hr 40 0 40 10 50 QPF 12hr 0.13 0.01 0.20 0.02 0.34 Rain shwrs C S S S C C S S S S C C C Heat index 84 89 91 86 82 86 88 83 82 87 89 85 Max heat 84 91 90 82 88 87 82 89 89 Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 71 87 72 88 73 87 73 88 Temp 72 80 87 77 73 81 88 78 74 81 87 78 74 81 88 78 Dewpt 65 63 64 66 64 60 61 64 63 62 66 68 68 67 71 70 PWind dir NE E NE E NE E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC CL CL FW SC SC SC SC SC SC SC FW FW PoP 12hr 30 40 0 20 20 20 20 10 Rain shwrs C C C S S S S S S S S S S $$ PRZ008-202000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 71 82 70 83 Temp 80 84 86 82 76 74 72 72 77 81 82 79 74 72 71 71 77 82 83 80 75 Dewpt 69 69 69 69 68 69 68 67 64 64 64 64 64 67 68 68 66 67 67 68 67 RH 69 61 57 65 76 84 87 84 64 56 55 60 71 84 90 90 69 61 59 67 76 Wind dir NE NE NE NE NE NE NE NE N N N NE NE NE NE NE NE NE NE NE NE Wind spd 23 23 18 20 20 20 19 18 19 18 18 18 16 18 11 9 10 14 14 16 13 Clouds B2 SC SC SC SC SC SC SC SC FW FW FW SC SC B1 B1 SC SC FW FW FW PoP 12hr 60 20 20 40 30 QPF 12hr 0.32 0.03 0.01 0.13 0.04 Rain shwrs C S S S S S S S S S S C C C C Tstms S Heat index 83 88 90 85 82 83 84 86 82 Max heat 83 90 90 83 83 86 85 Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 82 72 83 73 83 72 83 Temp 72 77 82 76 73 78 83 77 74 79 83 76 73 78 83 77 Dewpt 68 66 68 68 70 68 70 70 71 69 72 72 73 71 73 72 PWind dir E NE E NE E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds FW FW FW FW FW FW SC SC SC SC SC SC SC SC FW SC PoP 12hr 0 10 5 20 10 20 20 40 Rain shwrs S S S S S S S S S S S C C $$ PRZ010-202000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 69 88 68 88 Temp 81 89 91 85 77 73 70 70 80 86 88 82 75 72 69 69 79 86 88 82 75 Dewpt 73 74 74 73 70 69 68 67 67 68 69 67 66 66 66 67 69 71 72 71 69 RH 77 61 58 67 79 87 93 90 65 55 54 61 74 81 90 93 72 61 59 69 82 Wind dir NE NE NE NE NE NE NE N N N N N NE NE NE NE NE NE NE NE NE Wind spd 19 19 17 18 19 19 18 17 16 17 18 18 12 14 9 5 4 10 12 10 11 Clouds SC SC SC SC SC FW SC FW FW SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 20 10 20 40 30 QPF 12hr 0.07 0.01 0.03 0.12 0.07 Rain shwrs S S S S S S S S S S S C C C C S S S Heat index 86 98101 91 82 89 92 85 82 91 95 87 Max heat 86 101 100 82 92 91 82 95 94 Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 68 87 70 88 71 88 70 88 Temp 69 79 87 76 71 80 88 77 72 81 88 76 71 80 88 77 Dewpt 67 69 72 70 69 70 73 72 70 71 76 74 71 73 77 74 PWind dir NE NE E NE E E E E Wind char GN GN LT LT GN GN LT LT Avg clouds SC FW FW SC CL CL SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 10 20 0 60 10 60 20 60 Rain shwrs S S S L L S S L L S S L L $$ VIZ001-202000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 77 88 73 89 Temp 82 86 87 84 81 79 78 78 83 87 88 84 78 76 74 74 82 87 89 85 80 Dewpt 73 72 72 71 70 70 69 68 68 68 67 66 66 65 66 66 67 67 67 67 67 RH 74 63 61 65 69 74 74 71 61 53 50 55 67 69 76 76 61 52 48 55 65 Wind dir NE NE NE NE N N N N N N N N N N N NE NE NE NE NE NE Wind spd 17 18 17 18 23 20 18 17 14 17 17 16 14 14 12 9 8 8 6 9 9 Clouds OV B2 B1 SC SC SC FW SC SC SC SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 70 20 30 10 20 QPF 12hr 0.58 0.03 0.04 0.02 0.03 Rain shwrs L L C C S S S S C S S S S S S S S S Tstms S S Heat index 87 92 94 89 84 86 90 91 86 84 90 92 88 82 Max heat 87 94 93 83 86 91 90 84 92 92 Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 85 75 86 76 86 76 86 Temp 76 81 85 79 76 81 86 80 77 82 86 80 77 82 86 80 Dewpt 67 67 68 69 69 70 71 72 73 73 74 73 73 74 74 74 PWind dir NE E E E E E E E Wind char GN LT LT GN GN GN BZ GN Avg clouds SC FW SC FW SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 20 10 20 40 40 40 40 40 Rain shwrs S S S S S S C C C C C C C C C C $$ VIZ002-202000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Sun Apr 20 2025 Date Sun 04/20/25 Mon 04/21/25 Tue 04/22/25 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 74 86 70 86 Temp 81 86 88 84 79 77 75 75 81 85 86 82 76 73 71 71 79 84 86 82 76 Dewpt 73 73 73 72 72 71 70 69 69 69 68 67 67 66 66 65 66 67 67 66 67 RH 77 65 61 67 79 82 84 82 67 59 55 61 74 79 84 81 64 57 53 58 74 Wind dir NE NE NE NE N N N N N N N N N N NE NE NE NE NE NE NE Wind spd 12 14 13 13 17 20 17 18 14 16 17 14 12 11 9 9 8 9 8 9 8 Clouds B2 B2 B2 SC B1 B1 FW FW SC SC SC SC FW FW FW FW FW FW SC SC SC PoP 12hr 60 40 30 0 10 QPF 12hr 0.51 0.08 0.04 0 0.02 Rain shwrs C L C C C C S C S S S S S Tstms S S S Heat index 86 94 96 90 82 84 88 89 84 87 89 84 Max heat 86 96 95 84 90 89 89 88 Date Wed 04/23/25 Thu 04/24/25 Fri 04/25/25 Sat 04/26/25 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 71 86 74 88 74 90 74 88 Temp 72 79 86 78 75 82 88 79 75 83 90 80 75 82 88 79 Dewpt 67 68 69 69 69 70 72 73 73 74 74 74 73 74 74 74 PWind dir NE E E E E E E E Wind char LT LT LT GN LT LT GN GN Avg clouds SC FW FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 10 10 20 40 40 40 40 40 Rain shwrs S S S S S C C C C C C C C C C $$