Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
1
2
348 FOCA52 TJSJ 112103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sun May 11 2025 PRZ001-120800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sun May 11 2025 Date 05/11/25 Mon 05/12/25 Tue 05/13/25 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 88 76 87 76 Temp 81 79 77 78 83 87 88 85 80 78 76 77 82 86 87 84 80 78 76 77 83 Dewpt 75 75 74 74 74 74 74 73 73 73 72 72 72 72 72 72 72 72 72 72 72 RH 82 88 90 88 74 65 63 67 79 85 87 85 72 63 61 67 77 82 87 85 70 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 11 10 10 11 16 16 13 12 12 12 12 13 14 17 14 11 11 10 10 12 Clouds B1 B1 B2 SC B1 SC SC SC SC B1 SC SC B1 CL SC SC CL CL CL CL FW PoP 12hr 50 40 40 40 10 QPF 12hr 0.35 0.37 0.09 0.27 0.01 Rain shwrs C C C C C S S S C C S S C C C S Tstms Heat index 87 90 95 97 91 84 87 92 94 90 83 88 Max heat 94 85 90 97 96 83 87 94 93 88 Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 76 90 78 92 77 89 77 88 Temp 88 80 76 84 90 82 78 86 92 82 77 84 89 81 77 83 88 79 Dewpt 73 73 73 74 75 74 74 74 75 74 74 74 75 74 74 74 75 74 PWind dir E E E E E SE E E E Wind char GN GN GN LT GN LT LT LT LT Avg clouds SC SC FW FW SC SC SC SC B1 B2 SC SC B1 B2 SC SC SC SC PoP 12hr 50 20 40 40 60 30 60 40 50 Rain shwrs C C S S C C S C L L C C L L C C C C Tstms S S S S S S $$ PRZ002-120800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sun May 11 2025 Date 05/11/25 Mon 05/12/25 Tue 05/13/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 88 79 88 78 Temp 83 81 80 81 85 87 88 85 82 80 79 80 84 87 88 85 81 80 78 79 84 Dewpt 75 75 74 74 75 74 75 74 73 73 72 72 72 72 73 72 72 72 72 72 73 RH 77 82 82 79 72 65 66 70 74 79 79 77 67 61 61 65 74 77 82 79 70 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 13 13 13 12 13 14 14 14 14 16 14 14 14 13 16 14 13 14 13 14 17 Clouds B2 B2 B2 B1 B1 B1 SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 40 40 30 30 QPF 12hr 0.41 0.45 0.12 0.31 0.08 Rain shwrs L C C C C C C S C C S C C C C C C C C C S Tstms S S Heat index 90 87 85 86 93 96 97 93 87 85 83 84 90 94 96 91 86 83 83 90 Max heat 96 89 93 97 97 86 90 96 95 85 90 Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 78 89 78 90 76 88 75 88 Temp 88 81 78 84 89 82 78 85 90 81 76 84 89 80 75 81 86 79 Dewpt 74 73 74 75 76 75 75 75 75 74 74 75 75 74 74 75 76 74 PWind dir E E E E E E E E SE Wind char BZ GN GN GN GN LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC B1 B2 SC SC B1 B2 SC SC B1 B2 PoP 12hr 50 50 50 40 60 40 60 50 60 Rain shwrs C C C C C C C C L L C C L L C C L L Tstms S S S S S S $$ PRZ007-120800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sun May 11 2025 Date 05/11/25 Mon 05/12/25 Tue 05/13/25 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 90 74 89 75 Temp 81 78 76 78 84 88 90 86 80 77 75 76 83 87 89 85 80 77 76 77 83 Dewpt 72 71 70 70 70 69 70 70 69 69 68 68 68 69 69 70 70 70 69 69 70 RH 74 79 82 76 63 54 52 59 69 76 79 76 61 55 52 61 72 79 79 76 65 Wind dir E NE NE NE E E SE E NE NE NE NE E E E E E E E E E Wind spd 8 6 5 5 6 16 18 14 9 6 5 5 8 14 17 16 9 6 6 8 9 Wind gust 26 31 25 28 26 Clouds FW FW CL FW CL SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 5 30 5 5 5 QPF 12hr 0.01 0.42 0.02 0.06 0.01 Rain shwrs S C C S S S S S S S S S S S Heat index 85 89 93 95 90 82 86 92 94 90 83 87 Max heat 93 83 89 95 95 86 94 93 87 Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 75 90 77 92 75 90 75 89 Temp 89 80 75 84 90 81 77 86 92 81 76 84 90 80 76 83 89 79 Dewpt 71 71 71 72 70 71 72 72 71 70 70 72 71 71 71 72 72 72 PWind dir E E E E E E E E E Wind char GN GN GN LT LT LT LT LT LT Avg clouds FW FW CL CL CL CL CL FW SC SC SC SC SC SC FW SC SC SC PoP 12hr 10 5 5 10 30 20 30 30 50 Rain shwrs S S S C C S S C C S C C C Tstms S S $$ PRZ008-120800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sun May 11 2025 Date 05/11/25 Mon 05/12/25 Tue 05/13/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 85 74 85 75 Temp 78 77 75 76 81 84 85 82 78 76 74 75 81 84 85 82 78 77 75 76 80 Dewpt 75 74 74 74 73 73 74 73 73 73 72 72 71 71 72 72 71 72 72 71 71 RH 91 90 97 94 77 70 70 74 85 90 93 90 72 65 65 72 79 85 90 85 74 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 18 19 16 13 13 17 20 21 20 18 14 18 19 20 20 19 16 17 12 12 12 Clouds B1 SC SC SC CL CL SC SC SC FW FW FW FW CL SC SC FW FW FW FW CL PoP 12hr 40 10 5 20 5 QPF 12hr 0.06 0.21 0.02 0.15 0.01 Rain shwrs C S C S S S S S S S S S S S S S S Tstms Heat index 85 90 93 87 84 89 91 87 84 Max heat 89 85 93 92 84 91 91 84 Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 75 85 77 85 75 84 75 84 Temp 84 78 75 81 85 80 77 82 85 79 76 80 84 78 76 80 84 77 Dewpt 74 73 73 72 75 73 74 73 74 73 73 72 74 73 73 73 75 73 PWind dir E E E E E E E E NE Wind char GN GN GN LT LT LT LT LT LT Avg clouds SC B1 CL CL FW SC FW FW SC SC SC SC SC SC SC SC SC B1 PoP 12hr 60 5 40 10 40 20 40 20 60 Rain shwrs L L C C S S C C S S C C S S L L Tstms S S S S $$ PRZ010-120800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sun May 11 2025 Date 05/11/25 Mon 05/12/25 Tue 05/13/25 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 92 72 90 72 Temp 79 77 74 76 85 90 92 86 79 75 73 74 83 88 90 85 78 75 73 74 83 Dewpt 76 75 74 72 75 76 78 76 74 74 72 71 73 74 76 75 73 73 71 70 73 RH 91 94100 87 72 64 64 72 85 97 97 90 72 63 64 72 85 94 93 87 72 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 8 5 5 4 2 3 5 3 6 5 9 9 6 3 5 5 5 5 5 4 Clouds SC SC CL SC CL SC OV B2 SC FW FW FW CL CL SC SC CL CL CL CL CL PoP 12hr 20 70 5 50 0 QPF 12hr 0.02 0.90 0.01 0.36 0 Rain shwrs S S S S L C S C C Tstms S S S S Heat index 84 93102107 97 88 97102 94 88 Max heat 96 93 107 105 88 102 101 88 Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 72 90 74 91 72 90 72 90 Temp 90 78 73 83 90 80 75 84 91 79 73 83 90 78 73 83 90 77 Dewpt 77 75 72 75 78 76 74 76 78 75 73 75 78 76 73 76 79 76 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC CL CL SC B1 CL FW SC B2 FW FW SC B2 FW SC B1 B2 PoP 12hr 30 5 60 10 80 10 80 30 80 Rain shwrs C C L L S D D S S D D S C D D Tstms S S C C C C C C $$ VIZ001-120800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sun May 11 2025 Date 05/11/25 Mon 05/12/25 Tue 05/13/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 88 79 88 78 Temp 82 80 79 80 84 87 88 85 82 80 79 80 84 87 88 85 81 80 78 79 84 Dewpt 76 75 75 75 75 75 75 74 74 74 73 73 73 73 73 73 73 73 73 73 74 RH 82 85 88 85 74 68 66 70 77 82 82 79 70 63 61 67 77 79 85 82 72 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 21 20 19 19 19 19 19 20 21 23 20 20 19 19 19 20 21 21 23 23 21 Clouds SC FW CL FW SC SC SC SC SC SC FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 20 30 30 10 QPF 12hr 0.02 0.27 0.04 0.19 0.02 Rain shwrs S S S S S S S S S C S S S S S S S S Heat index 89 85 83 85 92 96 98 93 88 85 83 84 91 94 96 92 86 83 83 91 Max heat 95 88 92 98 97 87 91 96 95 85 91 Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 79 89 80 88 78 86 78 87 Temp 88 82 79 85 89 83 80 85 88 81 78 83 87 81 78 83 87 81 Dewpt 74 74 75 75 76 76 75 76 76 75 75 76 76 75 75 76 76 75 PWind dir E E E E E E SE E SE Wind char BZ BZ BZ BZ BZ GN GN GN GN Avg clouds SC SC SC SC SC FW SC SC B1 B2 SC SC B1 B2 B2 B2 B2 B2 PoP 12hr 30 30 30 30 60 50 60 60 60 Rain shwrs C C C C C S S C L L C C L L L L L L Tstms S S S S S S S S $$ VIZ002-120800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sun May 11 2025 Date 05/11/25 Mon 05/12/25 Tue 05/13/25 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 89 77 89 78 Temp 82 80 78 79 84 88 89 86 81 79 77 78 84 88 89 86 82 80 78 79 84 Dewpt 76 75 75 75 75 75 75 74 74 74 73 73 74 74 74 73 73 73 73 73 74 RH 82 85 91 88 74 66 64 68 79 85 87 85 72 63 61 65 74 79 85 82 72 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 18 19 17 16 17 18 18 19 19 20 18 17 18 17 19 19 19 18 18 18 19 Clouds FW SC CL FW SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC FW PoP 12hr 10 20 30 30 30 QPF 12hr 0.03 0.28 0.07 0.13 0.07 Rain shwrs S S S S S S S S S C S S S C C C C S Heat index 89 84 83 93 98 99 94 86 91 96 98 93 87 84 83 91 Max heat 96 87 93 99 98 85 91 98 97 86 91 Date 05/14 Thu 05/15/25 Fri 05/16/25 Sat 05/17/25 Sun 05/18/25 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 78 90 79 90 76 87 76 88 Temp 88 81 78 85 90 83 79 85 90 81 76 83 88 80 76 83 88 80 Dewpt 75 75 75 76 76 76 76 76 76 75 75 76 77 75 75 76 76 75 PWind dir E E E E E E E E SE Wind char BZ BZ BZ GN GN LT GN GN GN Avg clouds SC SC SC SC SC SC SC SC B1 B2 SC SC B1 B2 B2 B2 B2 B2 PoP 12hr 40 50 50 30 60 50 60 60 60 Rain shwrs C C C C C S S C L L C C L L L L L L Tstms S S S S S S S S $$