Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
855 FOCA52 TJSJ 132103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Mon May 13 2024 PRZ001-140800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Mon May 13 2024 Date 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 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 89 78 89 78 Temp 83 81 79 80 85 88 89 86 82 80 78 79 84 88 89 86 82 80 78 79 84 Dewpt 76 76 75 75 74 75 75 75 75 75 75 75 75 76 76 76 76 75 75 75 75 RH 80 85 88 85 70 66 64 70 79 85 91 88 74 68 66 72 82 85 91 88 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 8 8 5 6 9 12 13 12 9 10 8 6 9 13 13 12 10 8 6 5 6 Clouds SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 20 20 40 40 40 QPF 12hr 0.06 0.09 0.09 0.25 0.09 Rain shwrs S S S S S S S S S S C C C C C C C C C C S Heat index 91 87 83 85 93 97 99 95 88 84 83 93 98100 96 89 84 83 93 Max heat 98 90 93 99 99 87 93 100 100 87 93 Date 05/16 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 78 90 79 89 78 89 78 88 Temp 89 82 78 85 90 83 79 85 89 82 78 84 89 82 78 84 88 81 Dewpt 76 76 76 76 77 77 77 77 77 77 76 77 77 77 77 76 77 76 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC SC SC SC SC SC SC FW FW SC FW SC SC SC FW PoP 12hr 20 30 30 40 40 20 20 40 40 Rain shwrs S S S C C C C C C C S S S S S C C S $$ PRZ002-140800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Mon May 13 2024 Date 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 90 80 90 79 Temp 84 82 80 81 86 89 90 87 83 82 80 81 86 89 90 87 83 81 79 80 85 Dewpt 76 76 75 75 75 75 76 75 75 76 76 75 76 77 77 77 76 76 76 75 76 RH 77 82 85 82 70 64 64 68 77 82 88 82 72 68 66 72 80 85 91 85 75 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 8 8 8 9 10 11 10 10 9 9 8 8 11 11 10 10 9 10 8 8 9 Clouds SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 20 30 40 40 40 QPF 12hr 0.08 0.16 0.10 0.25 0.10 Rain shwrs S S S S S S S C S S C C C C C C C C C C C Heat index 92 89 86 87 95 99101 97 91 88 86 87 96101102 98 91 87 84 86 96 Max heat 99 91 95 101 101 90 96 102 102 89 96 Date 05/16 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 80 90 80 90 80 90 79 90 Temp 90 83 80 86 90 83 80 86 90 83 80 86 90 83 79 85 90 83 Dewpt 77 76 76 77 78 77 77 78 78 78 77 78 78 77 77 77 77 77 PWind dir E E E E E E E E E Wind char GN GN GN GN GN LT GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 40 40 40 40 40 40 40 40 Rain shwrs C S S C C C C C C C S C C C C C C C $$ PRZ007-140800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Mon May 13 2024 Date 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 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 88 75 89 75 Temp 81 78 76 77 83 87 88 84 79 77 75 77 83 87 89 85 80 77 75 77 83 Dewpt 74 73 73 71 72 68 70 72 72 72 70 70 69 71 72 73 73 72 71 70 70 RH 79 85 90 82 70 53 55 67 79 85 84 79 63 59 57 67 79 85 87 79 65 Wind dir E NE NE NE E SE SE SE E NE NE NE E SE SE E E NE NE NE E Wind spd 5 5 5 4 4 13 17 12 8 5 4 5 5 13 13 10 6 4 4 3 4 Wind gust 27 Clouds SC CL CL CL CL CL SC SC CL CL CL CL SC SC SC SC SC SC SC SC CL PoP 12hr 10 20 20 20 10 QPF 12hr 0 0.05 0.01 0.03 0.01 Rain shwrs S S S S S S S S S S S Heat index 86 88 90 93 90 83 87 93 96 92 84 87 Max heat 93 84 88 93 93 87 96 96 87 Date 05/16 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 89 76 88 75 88 75 87 Temp 88 79 75 83 89 80 76 83 88 79 75 83 88 79 75 82 87 79 Dewpt 72 73 71 72 73 74 72 72 74 75 73 71 73 74 72 72 73 73 PWind dir SE E E E E E E E E Wind char GN LT LT LT GN LT GN LT GN Avg clouds FW SC FW FW SC SC FW FW FW SC CL FW FW SC FW FW FW FW PoP 12hr 20 10 40 10 30 5 20 10 20 Rain shwrs S S S S C C S S C C S S S S S S S Tstms S S $$ PRZ008-140800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Mon May 13 2024 Date 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 84 76 86 76 Temp 81 79 78 79 82 83 84 82 79 77 76 77 82 85 86 83 79 78 76 77 81 Dewpt 75 76 75 74 73 73 74 74 74 75 75 74 73 73 75 74 74 75 75 74 73 RH 82 91 91 85 74 72 72 77 85 94 97 90 74 67 70 74 85 91 97 90 77 Wind dir E E E E E E NE E E E E E E E NE NE E E E E E Wind spd 9 9 4 6 10 13 12 11 13 13 12 12 12 11 13 9 12 13 10 9 9 Clouds SC SC CL CL CL CL SC SC SC SC CL CL SC SC SC SC SC SC SC SC CL PoP 12hr 30 30 20 30 10 QPF 12hr 0.06 0.20 0.04 0.11 0.01 Rain shwrs S C C C S S S S C C S S S S Heat index 86 84 87 90 91 88 87 92 95 90 83 86 Max heat 91 85 87 91 91 87 95 94 86 Date 05/16 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 76 84 77 84 76 84 76 84 Temp 85 79 76 81 84 79 77 81 84 79 76 81 84 79 76 81 84 79 Dewpt 75 74 76 73 75 75 76 74 76 76 76 74 76 76 76 74 76 75 PWind dir E E NE E NE E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW SC FW FW FW SC CL CL FW SC FW FW SC SC PoP 12hr 30 20 40 10 40 5 40 5 40 Rain shwrs C C S S C C S S C C C C S S C C Tstms S S S S S S S S $$ PRZ010-140800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Mon May 13 2024 Date 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 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 88 75 91 75 Temp 81 78 76 77 83 87 88 84 79 77 75 77 84 89 91 87 80 78 75 77 84 Dewpt 77 76 75 73 75 76 78 78 76 76 74 72 75 77 78 78 76 76 74 73 76 RH 88 94 97 87 77 70 72 82 91 97 97 85 74 68 66 75 88 94 97 87 77 Wind dir E E NE NE E E SW E E E E E E SE SW NE NE E E E E Wind spd 4 5 3 3 3 2 5 2 9 5 6 6 5 2 5 2 9 4 4 3 3 Clouds SC SC CL CL CL SC B2 B2 B2 SC CL CL CL CL B2 B2 B1 B1 B1 B1 CL PoP 12hr 30 60 50 60 40 QPF 12hr 0.04 0.74 0.09 0.62 0.08 Rain shwrs C S S L L C S L L C C C C Tstms S S S S S Heat index 88 90 97102 96 84 93102106 99 86 93 Max heat 99 85 90 102 101 93 106 105 84 93 Date 05/16 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 75 89 76 89 75 89 75 89 Temp 90 80 75 83 89 80 76 84 89 80 75 83 89 80 75 83 89 80 Dewpt 79 77 75 76 80 77 76 77 80 78 75 77 80 78 75 77 80 78 PWind dir NE E NE E E E E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 FW FW FW SC FW FW SC B1 CL CL FW SC CL FW SC SC PoP 12hr 60 10 50 10 60 0 50 5 50 Rain shwrs L L S S C C S S L L C C S C C Tstms S S S S S S S S S S $$ VIZ001-140800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Mon May 13 2024 Date 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 88 81 89 80 Temp 84 82 81 82 85 87 88 86 83 82 81 82 86 88 89 86 83 81 80 81 85 Dewpt 76 76 76 75 76 76 76 76 77 76 77 76 77 76 77 77 76 77 77 76 77 RH 77 82 85 79 75 70 68 72 82 82 88 82 75 68 68 75 80 88 91 85 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 11 14 13 12 13 12 12 13 14 13 12 13 13 12 12 12 14 14 13 12 13 Clouds CL SC CL CL SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC CL PoP 12hr 10 30 30 40 30 QPF 12hr 0.02 0.22 0.07 0.22 0.04 Rain shwrs S S S C C S S S S C C C C C C C C Heat index 92 90 88 88 94 98 99 96 92 90 88 89 96 99101 97 91 89 87 87 95 Max heat 98 91 94 99 99 91 96 101 101 90 95 Date 05/16 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 80 88 81 88 80 88 81 88 Temp 88 83 80 85 88 83 81 85 88 83 80 85 88 83 81 85 88 83 Dewpt 78 77 77 78 78 78 78 78 79 78 78 78 78 78 78 77 78 78 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds FW SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 20 20 20 20 20 20 20 20 Rain shwrs S S S S S S S S S S S S S S S S S S $$ VIZ002-140800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Mon May 13 2024 Date 05/13/24 Tue 05/14/24 Wed 05/15/24 Thu 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 90 78 90 78 Temp 82 80 78 79 85 89 90 87 82 80 78 79 85 89 90 87 82 80 78 79 85 Dewpt 75 75 75 75 75 75 75 75 76 76 75 75 75 76 76 76 75 76 75 75 76 RH 79 85 91 88 72 64 62 68 82 88 91 88 72 66 64 70 79 88 91 88 75 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 12 11 11 13 13 13 13 13 13 12 12 13 13 12 12 12 13 12 12 12 Clouds CL SC CL SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 10 30 30 30 30 QPF 12hr 0.03 0.20 0.07 0.05 0.04 Rain shwrs S S S S C C S S C C C C S S C C C C S Heat index 89 85 84 93 99101 96 89 85 84 94 99101 97 89 85 84 94 Max heat 97 88 93 101 100 88 94 101 101 87 94 Date 05/16 Fri 05/17/24 Sat 05/18/24 Sun 05/19/24 Mon 05/20/24 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 78 91 79 90 79 90 78 89 Temp 90 82 78 86 91 83 79 85 90 83 79 85 90 82 78 84 89 82 Dewpt 76 76 76 76 77 77 77 77 77 77 77 77 76 76 76 76 76 76 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC FW FW SC SC SC SC SC SC SC SC SC FW SC SC SC FW PoP 12hr 20 20 30 30 30 20 20 20 20 Rain shwrs S S S S C C C C C C S S S S S S S S $$