Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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421 FOCA52 TJSJ 220903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Tue Apr 22 2025 PRZ001-222000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Tue Apr 22 2025 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 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 85 72 86 73 88 Temp 80 84 85 81 77 75 73 73 80 84 86 82 78 76 74 74 81 86 88 84 78 Dewpt 67 67 67 67 67 67 67 67 67 67 68 68 68 68 68 68 68 69 70 71 71 RH 65 57 55 63 71 76 81 81 65 57 55 63 71 76 82 82 65 57 55 65 79 Wind dir NE NE N N NE NE NE S SE NE NE NE E E SE N SE E E E E Wind spd 11 10 9 8 5 3 2 2 1 5 9 9 5 5 3 2 3 6 11 10 6 Clouds SC SC SC SC CL FW SC SC SC SC SC FW CL CL CL CL CL CL CL CL CL PoP 12hr 30 20 10 0 0 QPF 12hr 0.17 0.02 0.02 0 0 Rain shwrs S S C S S S S S S Heat index 82 86 88 84 82 87 89 85 84 90 93 89 Max heat 82 88 87 82 89 89 84 93 93 Date Fri 04/25/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 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 86 74 86 75 87 75 86 Temp 74 80 86 78 75 81 86 79 76 82 87 79 76 81 86 79 Dewpt 71 72 73 73 73 73 74 73 73 73 75 74 74 74 74 74 PWind dir SE E E E E E E E Wind char LT LT LT GN LT GN LT GN Avg clouds CL FW SC B1 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B2 B2 PoP 12hr 20 50 50 40 40 40 50 50 Rain shwrs S C C C C C C C C C C C C C C Tstms S S S S S S $$ PRZ002-222000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Tue Apr 22 2025 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 73 85 73 86 Temp 78 83 84 81 77 75 74 74 80 84 85 82 77 75 74 74 80 85 86 83 78 Dewpt 68 67 68 67 67 67 66 66 68 67 67 67 68 67 67 68 70 70 70 71 72 RH 71 59 59 63 71 76 76 76 67 57 55 61 74 76 79 82 72 61 59 67 82 Wind dir N N N N NE NE NE NE NE NE E E E NE NE E E E E E E Wind spd 11 10 10 10 9 6 4 4 3 5 8 6 3 2 2 2 4 6 8 8 5 Clouds SC SC SC SC CL CL SC SC SC FW SC SC CL CL CL CL CL CL FW FW CL PoP 12hr 20 10 20 0 10 QPF 12hr 0.10 0.02 0.03 0 0.01 Rain shwrs S S S S S S S S S S S S Heat index 85 87 83 82 86 88 84 83 89 91 87 Max heat 87 87 82 88 87 83 91 91 Date Fri 04/25/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 84 74 84 76 85 75 84 Temp 75 80 84 78 75 80 84 79 77 81 85 79 76 80 84 78 Dewpt 72 73 74 74 73 74 74 73 74 74 75 74 74 74 74 74 PWind dir E E E E E E E E Wind char LT LT LT GN LT GN LT GN Avg clouds FW SC B1 B1 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B2 B2 PoP 12hr 30 50 50 40 50 50 50 50 Rain shwrs S C C C C C C C C C C C C C C C Tstms S S S S S S S S $$ PRZ007-222000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Tue Apr 22 2025 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 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 69 86 70 88 Temp 79 84 86 81 75 72 70 70 79 84 86 82 76 73 71 71 80 86 88 83 77 Dewpt 64 61 61 64 64 64 64 63 63 62 63 65 67 66 67 66 65 64 65 65 66 RH 60 46 43 56 69 76 81 78 58 48 46 56 74 79 87 84 60 48 47 55 69 Wind dir N NE S S NE NE NE N NE SE SE SE NE N NE NE NE SE SE SE E Wind spd 6 10 8 6 3 5 4 3 3 9 9 6 3 3 3 3 3 9 9 6 3 Clouds CL CL B2 B2 SC FW CL CL CL CL SC SC SC SC CL CL CL CL FW FW FW PoP 12hr 60 30 30 20 10 QPF 12hr 0.39 0.10 0.09 0.02 0.02 Rain shwrs L C C C C S S S S S Heat index 81 85 86 83 85 87 83 82 87 90 85 Max heat 81 86 86 87 87 82 90 89 Date Fri 04/25/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 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 86 73 87 74 86 Temp 72 80 87 77 73 80 86 78 74 81 87 79 75 81 86 78 Dewpt 66 64 69 69 67 67 70 71 68 69 71 71 69 70 71 71 PWind dir NE E NE E E E NE E Wind char LT LT LT GN LT LT LT GN Avg clouds FW FW SC SC SC SC SC B1 B1 B1 B1 B2 SC SC B1 B1 PoP 12hr 20 30 20 40 40 60 30 50 Rain shwrs S S C C S S C C C C L L C C C C Tstms S S S S $$ PRZ008-222000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Tue Apr 22 2025 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 70 82 70 83 Temp 76 80 81 78 74 72 71 71 77 81 82 79 74 72 71 71 77 82 83 80 75 Dewpt 67 68 69 68 68 69 69 67 66 67 68 68 68 69 69 68 67 67 69 69 70 RH 74 67 67 71 82 90 93 87 69 63 63 69 82 90 93 90 71 61 63 69 84 Wind dir NE NE NE NE NE NE E E E NE NE NE NE E E E E NE N NE E Wind spd 14 13 13 14 12 9 9 8 6 8 9 9 8 6 8 5 5 5 9 11 11 Clouds SC SC SC FW CL FW CL CL CL CL SC SC SC SC CL CL CL CL SC SC SC PoP 12hr 20 5 20 10 40 QPF 12hr 0.07 0.01 0.05 0.02 0.13 Rain shwrs S S S S S S S C C C Heat index 82 84 83 85 84 87 82 Max heat 84 84 85 85 87 86 Date Fri 04/25/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 82 72 82 72 83 73 82 Temp 72 77 82 76 73 78 82 76 73 78 83 77 74 78 82 76 Dewpt 71 69 72 72 73 71 73 72 73 71 74 73 73 74 74 72 PWind dir E NE E E E E E NE Wind char GN GN GN GN GN GN GN GN Avg clouds SC FW SC B1 FW FW SC B2 B2 B2 B1 B2 SC SC B1 B2 PoP 12hr 30 60 0 70 60 60 30 60 Rain shwrs C L L L L L L L L C C L L Tstms S S S S S S S S S S $$ PRZ010-222000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Tue Apr 22 2025 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 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 68 87 69 88 Temp 79 85 87 82 75 72 69 69 79 85 87 82 75 73 70 70 80 86 88 83 76 Dewpt 70 71 73 71 70 69 68 66 68 70 72 72 71 70 69 68 70 72 73 73 72 RH 74 63 63 69 84 90 97 90 69 61 61 72 87 90 97 93 72 63 61 72 87 Wind dir NE NE NE NE NE NE NE E E NE SW NE NE E E N E SW W N NE Wind spd 13 12 16 17 10 8 5 6 4 4 5 4 5 4 4 4 3 5 6 6 10 Clouds SC CL SC SC SC FW CL CL CL CL B2 B2 B1 B1 SC SC CL CL SC SC FW PoP 12hr 30 10 50 40 50 QPF 12hr 0.17 0.03 0.17 0.09 0.15 Rain shwrs S C S S C C C C S S C C S Tstms S S Heat index 90 94 86 89 94 87 83 92 96 89 Max heat 94 93 94 93 83 96 95 Date Fri 04/25/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 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 87 70 87 71 88 72 86 Temp 71 80 87 76 71 80 87 77 72 81 88 78 73 80 86 77 Dewpt 71 72 76 74 71 73 77 75 72 74 78 75 73 76 78 75 PWind dir E NE E E E E E NE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 SC SC SC B2 B2 B1 B1 B2 B1 B1 B1 B2 PoP 12hr 10 60 10 70 60 70 40 80 Rain shwrs S L L S S L L L L L L C C D D Tstms S S S S S S S S S S $$ VIZ001-222000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Tue Apr 22 2025 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 76 87 78 87 Temp 80 84 85 82 79 78 77 77 82 86 87 84 81 80 79 79 83 86 87 84 81 Dewpt 67 67 67 67 67 67 66 66 67 66 67 67 68 68 68 69 70 71 72 72 73 RH 65 57 55 61 67 69 69 69 61 51 52 57 65 67 69 72 65 61 61 67 77 Wind dir N N N NE NE NE NE NE E E E E E E SE E E E E E E Wind spd 14 10 11 10 12 10 8 6 8 4 4 6 6 4 5 6 8 8 6 8 10 Clouds CL CL CL CL CL CL SC SC SC SC SC CL CL CL CL CL CL CL FW FW SC PoP 12hr 0 20 20 0 30 QPF 12hr 0 0.02 0.02 0 0.03 Rain shwrs S S S S S S S C Heat index 83 86 88 85 81 84 88 90 87 84 82 87 91 93 90 85 Max heat 83 88 87 84 90 89 83 87 93 93 Date Fri 04/25/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 85 76 86 77 88 77 87 Temp 78 82 85 79 77 81 86 80 78 83 88 81 78 82 87 81 Dewpt 73 74 74 74 73 74 74 74 74 74 75 74 74 74 74 74 PWind dir E E E E E E E E Wind char LT LT GN GN GN GN GN GN Avg clouds SC B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 SC B1 B1 B2 PoP 12hr 40 40 40 30 40 40 40 50 Rain shwrs C C C C C C C C C C C C C C C C Tstms S S $$ VIZ002-222000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Tue Apr 22 2025 Date Tue 04/22/25 Wed 04/23/25 Thu 04/24/25 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 85 74 88 75 88 Temp 79 84 85 82 78 76 75 75 82 86 88 84 80 78 76 76 82 87 88 84 79 Dewpt 68 67 67 67 67 66 67 66 67 68 69 68 68 68 69 70 72 72 73 73 73 RH 69 57 55 61 69 71 76 74 61 55 54 59 67 71 79 82 72 61 61 70 82 Wind dir N N N N NE NE NE NE NE E SE E E E E E E E E E E Wind spd 10 10 10 11 10 8 5 8 6 8 6 6 5 4 4 5 8 9 8 9 9 Clouds SC SC CL FW CL CL SC FW CL CL SC CL CL CL CL CL FW FW SC SC SC PoP 12hr 20 10 10 10 50 QPF 12hr 0.04 0.01 0.01 0.01 0.18 Rain shwrs S S S S S S C C C Tstms S Heat index 81 87 88 85 84 89 92 87 82 87 93 96 90 82 Max heat 81 88 88 84 92 91 87 96 95 Date Fri 04/25/25 Sat 04/26/25 Sun 04/27/25 Mon 04/28/25 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 87 75 87 76 89 75 87 Temp 75 81 87 79 76 81 87 80 77 83 89 80 76 82 87 79 Dewpt 73 74 74 74 74 75 75 74 74 75 75 74 74 75 75 74 PWind dir E E E E E E E E Wind char LT LT GN GN GN GN GN GN Avg clouds SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B2 B2 PoP 12hr 50 40 40 40 40 40 60 60 Rain shwrs C C C C C C C C C C C C C L L C Tstms S S S S S $$