Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
1
2
559 FOCA52 TJSJ 212103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Fri Mar 21 2025 PRZ001-220800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Fri Mar 21 2025 Date 03/21/25 Sat 03/22/25 Sun 03/23/25 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 75 88 75 Temp 77 75 73 72 80 86 88 83 80 77 76 75 81 86 88 83 80 77 76 75 82 Dewpt 72 73 72 72 72 73 73 72 73 72 72 72 71 72 72 72 72 71 72 71 71 RH 85 94 97100 77 65 61 70 79 85 87 90 72 63 59 70 77 82 87 87 69 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 8 6 8 8 10 11 13 13 11 9 8 9 9 12 13 13 10 10 10 11 11 Clouds SC SC B1 B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 60 20 30 30 QPF 12hr 0.28 0.33 0.10 0.09 0.03 Rain shwrs C S C C L C C C S S S S S S C C S S S S C Heat index 83 93 96 89 83 85 92 95 89 83 86 Max heat 86 83 96 95 85 95 94 86 High Surf Date 03/24 Tue 03/25/25 Wed 03/26/25 Thu 03/27/25 Fri 03/28/25 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 89 75 88 74 89 74 89 Temp 89 80 76 82 89 80 76 81 88 79 75 81 89 79 75 81 89 79 Dewpt 71 72 72 71 71 72 71 72 71 72 72 72 72 72 71 71 71 72 PWind dir E E E E E E E E E Wind char BZ GN BZ GN BZ GN GN LT GN Avg clouds SC SC FW SC SC FW FW FW SC SC CL FW SC FW FW FW FW FW PoP 12hr 30 30 30 10 20 30 30 20 20 Rain shwrs C S S C C S S S S S C C S S S S S $$ PRZ002-220800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Fri Mar 21 2025 Date 03/21/25 Sat 03/22/25 Sun 03/23/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 85 76 85 76 Temp 78 76 75 74 79 84 85 82 79 78 77 76 80 84 85 82 79 78 77 76 80 Dewpt 73 73 73 73 74 74 74 73 73 73 72 71 72 73 73 72 72 72 72 71 72 RH 85 90 94 97 85 72 70 74 82 85 85 85 77 70 67 72 79 82 85 85 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 8 6 8 9 10 12 12 11 9 10 11 10 11 13 12 11 10 12 12 12 16 Clouds SC SC SC B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 60 30 30 30 QPF 12hr 0.18 0.46 0.14 0.09 0.03 Rain shwrs S S C C L C L C C C C C S S C C S S S S C Heat index 83 90 92 87 83 84 90 92 87 82 84 Max heat 85 83 92 92 84 92 91 84 High Surf Date 03/24 Tue 03/25/25 Wed 03/26/25 Thu 03/27/25 Fri 03/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 76 85 75 85 75 85 75 85 Temp 85 79 77 80 85 79 76 80 85 79 76 80 85 79 76 80 85 79 Dewpt 73 72 72 72 73 72 71 73 72 72 72 73 73 72 72 72 73 72 PWind dir E E E E E E E E E Wind char BZ GN BZ BZ BZ GN GN GN GN Avg clouds SC FW SC SC SC CL CL FW SC SC CL FW SC SC B1 B1 SC FW PoP 12hr 30 40 40 30 30 30 30 20 20 Rain shwrs C C C C C C C S C C S S S S S $$ PRZ007-220800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Fri Mar 21 2025 Date 03/21/25 Sat 03/22/25 Sun 03/23/25 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 88 72 89 73 Temp 78 76 74 73 80 86 88 82 78 75 73 72 80 87 89 83 79 76 74 73 81 Dewpt 70 69 68 67 68 66 69 69 68 68 68 67 67 67 66 68 69 68 67 66 67 RH 76 79 82 81 67 51 54 65 71 79 84 84 65 52 47 61 72 76 79 79 63 Wind dir E NE NE NE E E SE E E NE NE NE E E E E E NE NE NE E Wind spd 5 4 4 5 5 16 19 16 9 5 5 5 4 16 16 14 9 6 6 6 8 Wind gust 26 32 26 27 26 26 Clouds FW FW FW FW SC FW SC SC SC SC SC SC FW FW SC SC FW FW FW FW FW PoP 12hr 10 30 10 20 5 QPF 12hr 0 0.11 0.05 0.05 0.01 Rain shwrs S C C S S S S S S Heat index 83 88 92 86 82 90 91 87 83 Max heat 86 83 92 92 82 91 91 83 Date 03/24 Tue 03/25/25 Wed 03/26/25 Thu 03/27/25 Fri 03/28/25 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 74 89 73 88 73 88 72 89 Temp 89 79 75 81 89 79 74 80 88 78 74 80 88 78 73 80 89 78 Dewpt 64 68 67 67 69 69 68 66 69 68 68 68 68 69 68 67 68 70 PWind dir E NE E E E E E E E Wind char BZ LT GN LT GN GN GN LT GN Avg clouds FW SC FW FW FW FW CL FW FW FW CL FW FW FW CL FW FW FW PoP 12hr 20 5 10 0 10 0 20 20 20 Rain shwrs S S S S S S S S S S S S S $$ PRZ008-220800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Fri Mar 21 2025 Date 03/21/25 Sat 03/22/25 Sun 03/23/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 83 72 84 72 Temp 75 73 72 71 77 81 83 79 76 74 73 72 78 82 84 80 76 74 73 72 78 Dewpt 71 72 72 71 71 72 73 73 72 73 72 71 69 71 72 72 71 72 71 71 69 RH 87 97100100 82 74 72 82 87 97 97 97 74 69 67 77 85 93 93 97 74 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 12 12 14 13 16 17 17 14 18 16 14 13 14 16 17 13 18 17 16 16 17 Clouds SC B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC B1 B1 SC SC SC SC FW PoP 12hr 60 60 40 40 20 QPF 12hr 0.43 0.47 0.14 0.12 0.04 Rain shwrs S L C L C L C C C C S S S S C C S S S S Heat index 86 89 82 87 90 83 Max heat 89 88 90 89 High Surf Date 03/24 Tue 03/25/25 Wed 03/26/25 Thu 03/27/25 Fri 03/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 72 85 72 84 71 83 71 83 Temp 84 76 73 78 85 77 73 78 84 76 72 77 83 75 72 77 83 75 Dewpt 71 71 71 69 71 71 71 68 72 71 71 68 72 71 71 69 71 71 PWind dir E E E E E E E E NE Wind char BZ BZ BZ BZ BZ GN GN GN GN Avg clouds SC SC CL CL FW SC CL CL SC B1 CL CL FW FW CL CL FW FW PoP 12hr 30 0 50 5 60 0 20 5 20 Rain shwrs C C C C L L S S S S $$ PRZ010-220800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Fri Mar 21 2025 Date 03/21/25 Sat 03/22/25 Sun 03/23/25 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 71 89 70 89 71 Temp 77 74 72 71 80 87 89 82 77 73 71 70 79 87 89 83 77 74 72 71 80 Dewpt 73 73 72 71 73 75 76 76 75 73 71 70 71 74 75 75 73 72 70 70 71 RH 87 97100100 79 68 66 82 94100100100 77 65 64 77 87 93 93 97 74 Wind dir NE NE NE NE E SE W NE NE E NE E E E E E E E E E E Wind spd 10 8 10 9 9 2 5 6 6 6 8 8 8 3 4 3 6 8 10 8 6 Clouds B2 B1 SC SC SC SC OV OV B2 B2 SC SC SC SC B2 B2 SC SC SC SC CL PoP 12hr 60 70 60 50 20 QPF 12hr 0.22 0.86 0.23 0.13 0.04 Rain shwrs L C S C S S L L L L C C S S C C S S S S Heat index 84 96100 90 82 95 99 90 84 Max heat 88 84 100 100 82 99 98 84 High Surf Date 03/24 Tue 03/25/25 Wed 03/26/25 Thu 03/27/25 Fri 03/28/25 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 71 90 70 90 70 90 70 89 Temp 90 78 72 80 90 77 71 80 90 77 71 80 90 77 71 79 89 77 Dewpt 74 72 70 71 74 72 70 71 75 73 70 71 75 73 71 71 75 74 PWind dir E E E E E E E E NE Wind char LT GN LT LT LT LT LT LT LT Avg clouds FW SC CL CL SC B1 CL CL SC B1 CL CL FW SC CL CL FW FW PoP 12hr 30 0 60 0 60 0 40 5 20 Rain shwrs C C L L L L C C S S $$ VIZ001-220800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Fri Mar 21 2025 Date 03/21/25 Sat 03/22/25 Sun 03/23/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 86 77 86 76 Temp 78 76 75 74 80 84 86 83 80 79 78 77 81 85 86 83 80 78 77 76 81 Dewpt 73 73 73 73 73 73 73 72 73 72 72 71 72 72 73 72 72 72 72 71 72 RH 85 90 94 97 79 70 65 70 79 79 82 82 74 65 65 70 77 82 85 85 74 Wind dir E E NE E E E E E E E E E E E E E E E E E E Wind spd 11 11 11 13 14 14 13 12 13 16 16 16 17 17 16 14 16 19 19 19 21 Clouds FW SC SC B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 30 20 10 QPF 12hr 0.13 0.25 0.15 0.07 0.02 Rain shwrs S C C C C C S C C C C S S S S S S S S S Heat index 84 91 93 88 84 86 91 93 87 83 85 Max heat 87 84 93 92 83 86 93 92 85 High Surf Date 03/24 Tue 03/25/25 Wed 03/26/25 Thu 03/27/25 Fri 03/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 76 86 76 86 76 86 77 86 Temp 86 80 77 81 86 80 77 81 86 80 77 81 86 80 78 81 86 80 Dewpt 72 72 73 72 72 72 72 72 72 72 72 72 73 72 72 72 72 71 PWind dir E E E E E E E E E Wind char BZ BZ BZ WY WY BZ BZ GN GN Avg clouds FW FW SC SC SC SC FW SC B1 SC SC SC SC FW FW FW FW FW PoP 12hr 30 30 30 40 40 30 30 20 20 Rain shwrs S C C C C S S C C C C C C S S S S S $$ VIZ002-220800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Fri Mar 21 2025 Date 03/21/25 Sat 03/22/25 Sun 03/23/25 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 88 75 87 75 Temp 79 76 75 74 81 86 88 83 80 77 76 75 81 85 87 83 79 77 76 75 81 Dewpt 73 74 73 73 74 74 73 73 73 73 73 72 72 73 72 72 72 72 72 72 72 RH 82 94 94 97 79 68 61 72 79 87 90 90 74 67 61 70 79 85 87 90 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 10 9 9 11 13 14 13 12 14 14 16 16 17 18 16 16 14 17 16 18 20 Clouds FW SC SC SC B1 B2 SC SC SC SC SC SC SC SC SC SC SC SC SC SC CL PoP 12hr 40 50 30 20 5 QPF 12hr 0.07 0.16 0.14 0.06 0.01 Rain shwrs S S C C C S S C C C C S S S S S S S S Heat index 86 94 96 89 84 85 92 94 88 83 86 Max heat 88 86 96 95 85 94 93 86 Date 03/24 Tue 03/25/25 Wed 03/26/25 Thu 03/27/25 Fri 03/28/25 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 75 87 75 88 75 88 75 87 Temp 88 80 76 81 87 79 76 81 88 80 76 81 88 80 76 81 87 79 Dewpt 73 72 72 72 72 72 72 72 73 72 72 73 73 72 72 72 72 72 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ GN GN Avg clouds CL FW SC FW SC SC CL FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 5 10 30 30 30 30 30 20 20 Rain shwrs S S S C C C C C C C C S S S S S $$