Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
482 FOCA52 TJSJ 110632 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 AM AST Wed Mar 11 2026 PRZ001-112000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 AM AST Wed Mar 11 2026 Date Wed 03/11/26 Thu 03/12/26 Fri 03/13/26 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 73 85 73 85 Temp 73 79 83 85 81 77 75 74 73 79 83 85 81 77 75 74 73 79 83 85 81 77 Dewpt 68 69 68 68 68 68 68 68 67 68 68 68 67 68 67 68 67 68 68 68 68 68 RH 84 72 61 57 65 74 79 82 81 69 61 57 63 74 76 82 81 69 61 57 65 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 10 11 14 16 13 10 10 9 5 5 10 13 12 9 6 6 5 8 12 14 12 11 Clouds SC B2 B2 B2 SC B2 SC SC B1 B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC FW PoP 12hr 60 50 50 40 30 QPF 12hr 0.50 0.13 0.15 0.06 0.14 Rain shwrs C L C C C C C C C C C C C C C S S C C S S Heat index 87 88 83 87 88 83 87 88 84 Max heat 88 88 88 88 88 88 Date Sat 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 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 73 86 73 86 73 86 Temp 74 79 86 78 74 79 86 78 74 79 86 78 74 79 86 78 Dewpt 68 68 68 68 69 69 69 70 70 69 69 69 68 68 68 69 PWind dir E E E E E E E E Wind char GN GN GN GN GN BZ GN BZ Avg clouds FW FW SC SC SC SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 50 30 30 20 40 50 50 Rain shwrs S C C C C C C S S C C C C C C $$ PRZ002-112000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 AM AST Wed Mar 11 2026 Date Wed 03/11/26 Thu 03/12/26 Fri 03/13/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 74 85 74 85 Temp 74 79 84 85 81 78 76 75 74 79 84 85 81 78 76 75 74 79 84 85 81 78 Dewpt 69 70 70 70 70 69 69 68 68 70 70 69 69 69 69 68 68 70 70 70 69 68 RH 84 74 63 61 69 74 79 79 82 74 63 59 67 74 79 79 82 74 63 61 67 71 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 13 13 14 13 12 12 12 9 8 6 10 8 9 9 9 9 8 10 13 13 13 12 Clouds SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 SC SC B1 B1 B2 B2 FW PoP 12hr 60 50 60 50 50 QPF 12hr 0.60 0.17 0.17 0.07 0.34 Rain shwrs S L C C C C C C C C L C C C C S S C C C C Heat index 82 88 90 85 82 88 89 84 82 88 89 84 Max heat 82 90 89 82 89 88 82 89 89 Date Sat 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 86 74 85 75 86 76 84 Temp 75 80 86 78 75 79 85 79 76 80 86 80 77 80 84 79 Dewpt 69 70 70 69 70 71 71 71 70 70 71 70 69 70 71 69 PWind dir E E E E E E E E Wind char GN GN GN BZ BZ BZ BZ BZ Avg clouds FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 50 40 50 50 50 50 50 Rain shwrs C C C C C C C C C C C S C C C $$ PRZ007-112000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 AM AST Wed Mar 11 2026 Date Wed 03/11/26 Thu 03/12/26 Fri 03/13/26 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 85 70 86 Temp 71 78 84 86 81 76 74 72 71 78 83 85 80 75 73 71 70 78 84 86 80 76 Dewpt 65 65 64 65 66 66 65 65 64 64 64 66 66 66 66 65 64 64 64 67 68 67 RH 81 64 51 50 60 71 74 79 79 62 53 53 62 74 79 81 81 62 51 53 67 74 Wind dir NE NE E SE E NE NE NE NE NE SE SE E E NE NE NE NE E SE E E Wind spd 5 6 17 19 16 8 6 4 4 4 12 13 10 5 3 4 4 4 14 17 13 8 Wind gust 28 32 27 25 27 Clouds CL SC SC B1 SC SC CL CL CL CL SC B1 B1 SC SC FW FW CL CL SC SC FW PoP 12hr 40 10 40 10 10 QPF 12hr 0.36 0.01 0.10 0.02 0.06 Rain shwrs S S C C S S C C S S S S Heat index 85 88 83 85 87 82 85 89 83 Max heat 88 87 87 87 89 88 Date Sat 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 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 70 86 71 85 71 85 Temp 71 78 86 76 71 78 86 76 72 78 85 76 72 78 85 76 Dewpt 65 65 62 66 66 65 67 67 66 66 67 67 65 67 67 66 PWind dir NE E NE E E E E E Wind char LT GN LT GN GN GN GN GN Avg clouds FW FW FW FW CL CL FW FW CL CL FW SC CL CL FW FW PoP 12hr 5 10 0 0 0 20 5 10 Rain shwrs S S S S S S $$ PRZ008-112000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 AM AST Wed Mar 11 2026 Date Wed 03/11/26 Thu 03/12/26 Fri 03/13/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 71 83 72 82 Temp 72 77 81 83 79 75 73 72 71 77 81 83 79 76 74 73 72 77 81 82 78 75 Dewpt 67 68 70 71 70 70 69 67 66 68 70 71 70 70 68 67 66 67 69 71 71 70 RH 84 74 69 67 74 84 87 84 84 74 69 67 74 82 82 81 81 71 67 69 79 84 Wind dir E E E E E E E E E E E NE E E E E E E E NE E E Wind spd 11 14 17 20 18 19 16 12 10 10 11 12 9 10 10 8 6 5 13 13 10 19 Clouds CL SC B2 B1 SC SC SC SC FW SC SC B2 B2 SC SC SC SC FW FW SC SC FW PoP 12hr 50 20 60 30 10 QPF 12hr 0.37 0.03 0.09 0.05 0.07 Rain shwrs S C C S S S S S S S L L C C S S S S S S Tstms S S Heat index 85 87 85 87 82 84 86 Max heat 87 86 87 87 86 86 Date Sat 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 83 70 83 70 83 70 83 Temp 72 77 83 75 71 76 83 75 71 76 83 75 71 76 83 75 Dewpt 68 68 70 70 68 69 72 71 69 68 72 70 67 67 71 70 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ GN GN Avg clouds FW FW SC B1 FW FW SC B1 FW FW SC B1 FW FW SC B1 PoP 12hr 5 60 10 60 5 60 5 60 Rain shwrs L L S S L L S S L L L L $$ PRZ010-112000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 AM AST Wed Mar 11 2026 Date Wed 03/11/26 Thu 03/12/26 Fri 03/13/26 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 89 69 88 69 88 Temp 69 79 86 89 82 76 73 70 69 78 86 88 81 76 72 70 69 78 86 88 81 76 Dewpt 67 68 70 72 71 70 68 67 67 67 69 71 72 70 68 67 66 68 70 71 71 71 RH 93 69 59 57 69 82 84 90 93 69 57 57 74 82 87 90 90 71 59 57 72 85 Wind dir E E E SE E E E NE E E E E E E E E E E E NE E E Wind spd 8 6 3 3 3 10 11 9 5 5 2 4 2 3 3 3 3 3 3 5 2 6 Clouds CL SC SC OV OV B1 CL CL CL CL FW OV OV SC SC SC SC CL CL OV OV SC PoP 12hr 70 40 70 20 70 QPF 12hr 1.10 0.04 0.93 0.03 0.45 Rain shwrs S C L L C L L S S S S L L S Tstms S S S S Heat index 91 96 86 90 94 86 90 94 85 Max heat 96 95 94 93 94 93 Date Sat 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 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 69 88 68 89 69 89 69 89 Temp 70 78 88 75 69 78 89 76 70 79 89 76 70 79 89 76 Dewpt 67 67 70 70 67 69 72 71 68 69 71 70 68 68 70 69 PWind dir E E E E E E E E Wind char GN LT GN LT LT LT LT LT Avg clouds SC FW SC B1 FW FW FW SC FW FW SC SC CL CL SC B1 PoP 12hr 5 60 10 40 10 60 0 60 Rain shwrs S S L L S S C C S S L L L L $$ VIZ001-112000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 AM AST Wed Mar 11 2026 Date Wed 03/11/26 Thu 03/12/26 Fri 03/13/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 74 85 74 85 Temp 75 80 84 85 81 78 76 75 74 79 84 85 81 78 76 75 74 79 84 85 82 79 Dewpt 69 70 69 70 70 70 69 69 70 70 69 70 69 69 69 69 70 70 69 69 69 69 RH 82 72 61 61 69 76 79 82 87 74 61 61 67 74 79 82 87 74 61 59 65 72 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 20 19 18 17 17 19 17 16 13 14 12 12 13 17 16 14 16 16 18 17 16 18 Clouds SC SC SC B1 SC B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC B1 B1 SC SC CL PoP 12hr 50 50 60 40 40 QPF 12hr 0.36 0.17 0.13 0.05 0.08 Rain shwrs C S S C C C C C C C L C C S S S S C C S S Heat index 83 88 89 84 88 89 84 88 89 85 Max heat 83 89 89 89 89 89 89 Date Sat 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 87 75 86 75 86 76 86 Temp 76 81 87 79 76 80 86 79 76 80 86 80 77 81 86 79 Dewpt 69 70 70 69 70 71 71 71 70 71 71 70 71 70 70 69 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ WY WY WY BZ Avg clouds CL FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 40 40 50 50 50 50 50 Rain shwrs C C C C C C C C C C C C C C C $$ VIZ002-112000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 AM AST Wed Mar 11 2026 Date Wed 03/11/26 Thu 03/12/26 Fri 03/13/26 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 72 86 72 85 Temp 73 79 84 86 81 77 75 73 72 79 84 86 81 77 75 73 72 78 84 85 81 77 Dewpt 69 69 69 69 69 69 69 69 68 69 69 69 68 69 69 69 68 69 69 69 69 69 RH 87 72 61 57 67 76 82 87 87 72 61 57 65 76 82 87 87 74 61 59 67 76 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 17 16 18 17 17 16 14 12 12 13 12 11 10 10 13 12 12 13 17 17 14 16 Clouds FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC FW PoP 12hr 30 30 30 40 40 QPF 12hr 0.33 0.11 0.11 0.06 0.08 Rain shwrs S C C C S C C C C C C C C S S S S C C S S Heat index 87 90 84 88 90 84 88 89 84 Max heat 90 89 90 89 89 89 Date Sat 03/14/26 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 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 72 87 73 87 74 87 74 85 Temp 73 79 87 78 74 80 87 79 75 80 87 79 75 79 85 79 Dewpt 68 69 69 70 70 70 71 71 70 70 70 70 69 69 70 69 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds FW SC SC SC SC SC FW SC SC SC SC SC FW FW FW SC PoP 12hr 30 40 40 50 50 50 10 20 Rain shwrs C C C C C C C C C C S S S S S $$