Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
476 FOCA52 TJSJ 162103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Fri May 16 2025 PRZ001-170800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 85 75 87 75 Temp 78 76 74 75 80 84 85 82 78 77 75 76 82 86 87 84 79 77 75 76 82 Dewpt 73 73 73 73 73 74 74 74 73 73 73 73 73 74 74 74 74 74 74 73 75 RH 85 90 97 94 79 72 70 77 85 87 94 90 74 68 65 72 85 90 97 90 79 Wind dir E E SE SE E E E E E E E E E E E E E E E SE E Wind spd 10 12 6 4 5 10 12 10 4 4 2 3 4 8 8 6 6 8 5 3 3 Clouds B2 B2 B2 B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B1 PoP 12hr 60 80 60 70 60 QPF 12hr 0.69 1.21 0.23 0.87 0.45 Rain shwrs C C L C C L D D C L L L C C L L L L L L L Tstms S S S S S S S S S S S S S S S S S S S S Heat index 85 91 93 88 88 94 96 91 83 88 Max heat 90 85 93 92 88 96 95 88 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 86 77 89 77 90 77 89 Temp 87 80 76 82 86 80 77 84 89 81 77 85 90 81 77 84 89 81 Dewpt 75 75 75 75 75 75 75 75 75 74 74 74 75 74 74 74 75 73 PWind dir E E E E E E E E E Wind char LT LT GN LT GN GN GN LT GN Avg clouds B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 SC B1 PoP 12hr 60 60 50 40 50 40 50 60 60 Rain shwrs L L L L C C C C C C C C C C C L L C Tstms S S S S S S S S $$ PRZ002-170800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 84 75 85 75 Temp 78 76 74 75 80 83 84 81 78 76 75 76 81 84 85 82 78 77 75 76 81 Dewpt 73 73 73 73 74 74 75 74 73 73 73 73 74 74 74 75 74 74 74 74 75 RH 85 90 97 94 82 74 74 79 85 90 94 90 79 72 70 79 88 90 97 94 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 4 10 9 9 8 9 10 8 8 5 5 6 6 8 8 6 6 8 4 2 4 Clouds OV B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 70 80 60 60 60 QPF 12hr 0.90 1.01 0.24 0.56 0.46 Rain shwrs L L L C L D L L C L L L C C L L L L L L L Tstms S S S S S S S S S S S S S S S S S S S S Heat index 84 89 92 87 86 91 93 89 88 Max heat 88 84 92 91 86 93 92 88 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 77 84 78 87 78 87 78 87 Temp 86 80 77 81 84 80 78 83 87 81 78 83 87 81 78 83 87 80 Dewpt 76 74 74 75 75 75 75 75 76 74 74 74 75 74 75 75 75 74 PWind dir E E E E E E E E E Wind char LT LT LT LT GN GN GN GN GN Avg clouds B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 SC B1 PoP 12hr 60 40 50 50 50 40 50 60 60 Rain shwrs L C C C C C C C C C C C C C C L L C Tstms S S S S S S S S $$ PRZ007-170800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 87 73 87 74 Temp 78 76 74 76 82 86 87 83 78 75 73 75 81 85 87 83 78 76 74 76 82 Dewpt 69 67 66 65 66 69 71 71 69 67 65 64 68 70 71 72 71 69 68 67 68 RH 74 74 76 69 58 57 59 67 74 76 76 69 65 61 59 70 79 79 82 74 63 Wind dir E E E NE E E E E E NE E NE E E E E E E E E E Wind spd 9 4 3 3 2 13 14 6 4 5 5 4 3 8 8 5 3 3 3 3 3 Clouds SC B2 B1 B1 OV B2 B2 B2 SC B1 B1 SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 70 70 40 50 50 QPF 12hr 0.31 0.84 0.12 0.18 0.22 Rain shwrs C C C C L L C L S C C S C C C C C C C C C Tstms S S S S S S S S S Heat index 84 90 93 88 84 90 93 89 85 Max heat 88 84 93 92 84 93 92 85 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 75 86 75 89 75 90 75 89 Temp 87 79 75 81 86 79 75 83 89 80 75 84 90 80 75 83 89 80 Dewpt 69 70 69 70 71 72 69 69 72 73 71 71 72 73 71 70 73 72 PWind dir E E E E E E E E E Wind char LT LT LT LT GN LT GN LT GN Avg clouds B1 B1 B2 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 SC B1 B1 SC SC PoP 12hr 50 40 50 50 40 40 40 20 40 Rain shwrs C C C C C C C C C C C C C S S S C C $$ PRZ008-170800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 83 73 84 74 Temp 76 75 73 74 79 82 83 80 76 75 73 74 79 83 84 81 77 76 74 75 80 Dewpt 71 72 72 72 72 73 73 73 72 72 72 72 72 73 74 74 73 74 73 73 73 RH 85 90 97 93 79 74 72 79 87 90 97 93 79 72 72 79 87 94 97 94 79 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 14 13 11 9 9 9 12 12 13 13 9 6 6 4 5 9 11 12 10 6 6 Clouds B2 SC SC SC SC SC B1 OV B2 SC SC SC FW FW B2 B2 SC SC SC SC SC PoP 12hr 60 80 60 60 30 QPF 12hr 0.26 1.08 0.08 0.36 0.07 Rain shwrs L S S S S S C D L S S S S S L L C C C C S Tstms S S S S S S Heat index 87 89 84 83 89 91 87 84 Max heat 84 89 88 83 91 90 84 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 74 83 75 85 75 86 75 86 Temp 84 77 74 79 83 78 75 81 85 78 75 81 86 79 75 81 86 78 Dewpt 75 74 74 73 75 74 74 73 75 74 73 72 75 74 74 73 75 74 PWind dir E E E E E E E E E Wind char LT LT GN GN GN GN GN GN GN Avg clouds SC B1 SC SC SC B1 SC SC SC B2 B2 B1 B1 B1 SC SC SC B2 PoP 12hr 70 40 70 50 50 40 60 20 60 Rain shwrs L L C C L L C C C C C C L L S S L L Tstms S S S S S S S S S S $$ PRZ010-170800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 72 88 72 88 73 Temp 77 75 72 74 81 86 88 84 77 75 72 74 81 86 88 84 78 75 73 75 82 Dewpt 73 73 71 71 74 76 77 75 74 73 72 71 74 76 77 77 75 74 73 72 75 RH 87 94 97 90 79 72 70 74 90 94100 90 79 72 70 80 91 97100 90 79 Wind dir E E E E NE E E E NE E E E E E E E E E E E E Wind spd 8 5 3 4 3 2 4 3 5 3 2 2 2 2 4 6 9 8 4 3 3 Clouds SC SC SC SC SC SC OV OV B1 SC SC SC CL CL OV OV B1 B1 B1 B1 SC PoP 12hr 30 100 40 70 40 QPF 12hr 0.09 1.64 0.06 0.57 0.09 Rain shwrs S S C S S S D D C S S S L L C C C C C Tstms S S S S S Heat index 87 96100 91 87 96101 93 89 Max heat 92 87 100 99 87 101 100 89 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 73 87 73 90 73 91 73 91 Temp 89 78 73 81 87 78 73 83 90 79 74 84 91 79 74 84 91 80 Dewpt 78 76 73 75 78 76 73 75 79 76 73 74 78 76 73 75 78 73 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 SC SC B1 SC SC SC B2 B1 B1 B1 B1 SC SC SC B1 PoP 12hr 50 40 60 60 60 30 60 10 50 Rain shwrs C C C C L L L L L L C C L L S S C C Tstms S S S S S S S S S S $$ VIZ001-170800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 86 77 87 78 Temp 80 78 76 77 82 85 86 83 80 78 77 78 83 86 87 84 81 79 78 79 83 Dewpt 74 74 74 74 75 75 75 75 74 74 74 74 75 76 76 75 75 75 75 74 76 RH 82 88 94 90 79 72 70 77 82 88 90 88 77 72 70 74 82 88 91 85 80 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 3 16 17 13 17 16 12 14 11 11 12 11 13 10 8 8 11 11 9 6 9 Clouds OV OV B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 80 60 60 50 50 QPF 12hr 0.74 0.33 0.22 0.29 0.20 Rain shwrs L D C C L L C C L C C C C C C C C C C C C Tstms S S S S S S S S S S S S S S S Heat index 85 88 94 95 91 85 90 96 97 93 87 84 83 91 Max heat 92 83 88 95 95 83 90 97 97 86 91 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 78 85 79 88 79 88 79 88 Temp 87 81 78 82 85 81 79 84 88 82 79 84 88 82 79 84 88 82 Dewpt 76 75 75 76 76 75 75 76 76 75 75 76 76 75 75 76 76 73 PWind dir E E E E E E E E E Wind char LT LT GN GN GN BZ BZ BZ BZ Avg clouds B1 B1 B1 B1 B1 B1 SC SC B1 B1 B2 B1 B1 B1 B1 SC SC SC PoP 12hr 40 40 40 40 50 40 50 50 50 Rain shwrs C C C C C C C C C C C C C C C C C C Tstms S S $$ VIZ002-170800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Fri May 16 2025 Date 05/16/25 Sat 05/17/25 Sun 05/18/25 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 87 75 87 76 Temp 79 76 74 76 82 86 87 84 79 77 75 76 82 86 87 84 80 78 76 77 83 Dewpt 74 74 74 74 75 75 76 75 74 74 74 74 75 76 76 75 75 75 75 75 76 RH 85 94100 94 79 70 70 74 85 90 97 94 79 72 70 74 85 91 97 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 11 16 16 16 12 13 13 12 12 11 11 13 14 12 9 5 6 6 5 6 9 Clouds OV OV B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 80 60 50 50 50 QPF 12hr 1.00 0.32 0.21 0.23 0.18 Rain shwrs L D L C L L 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 S S S S Heat index 88 94 97 91 83 89 95 97 92 84 91 Max heat 92 88 97 96 89 97 96 91 Date 05/19 Tue 05/20/25 Wed 05/21/25 Thu 05/22/25 Fri 05/23/25 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 77 86 77 89 78 89 78 89 Temp 88 81 77 82 86 80 77 84 89 82 78 84 89 82 78 84 89 81 Dewpt 76 75 75 76 76 75 75 76 76 75 74 76 76 75 75 76 76 73 PWind dir E E E E E E E E E Wind char GN LT LT GN GN GN GN GN BZ Avg clouds B1 B1 B1 B1 B1 B1 SC SC B1 B1 B2 B2 B2 B1 SC SC SC B1 PoP 12hr 40 40 40 40 50 50 50 50 50 Rain shwrs C C C C C C C C C C C C C C C C C C Tstms S S $$