Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
851 FOCA52 TJSJ 120903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Sun May 12 2024 PRZ001-122000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 93 78 91 77 89 Temp 87 91 93 89 83 80 78 80 86 90 91 87 82 79 77 78 84 88 89 86 82 Dewpt 75 75 75 75 75 75 75 74 75 76 76 76 76 76 75 75 75 76 76 75 76 RH 68 60 56 64 77 85 91 82 70 64 62 70 82 91 94 91 74 68 66 70 82 Wind dir SE SE SE SE SE SE SE S E E E E E E E E E E E E E Wind spd 5 6 10 4 5 3 3 4 3 9 12 12 9 6 5 6 9 11 13 13 10 Clouds SC SC B2 B2 SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 50 20 30 40 40 QPF 12hr 0.54 0.07 0.07 0.09 0.09 Rain shwrs S S C C S S S S S S C C S S C C C C S S S Tstms S S Heat index 96102105 99 91 86 84 95101103 98 89 84 92 98100 95 89 Max heat 96 105 104 89 95 103 102 87 92 100 100 Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 78 89 78 89 78 88 78 89 Temp 78 84 89 82 78 84 89 82 78 84 88 81 78 84 89 82 Dewpt 75 75 76 76 75 76 76 76 76 77 77 77 77 77 77 78 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC B1 B1 B1 B1 B1 SC SC SC SC B1 SC B1 B1 B1 SC PoP 12hr 40 40 40 30 40 40 30 30 Rain shwrs C C C C C C C S S C C C C C C C $$ PRZ002-122000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 79 90 80 90 Temp 85 89 91 88 83 81 79 80 85 89 90 87 83 82 80 81 86 89 90 87 83 Dewpt 77 77 76 76 76 76 75 75 77 77 77 77 77 77 76 75 77 77 77 76 76 RH 77 68 62 68 80 85 88 85 77 68 66 72 82 85 88 82 75 68 66 70 80 Wind dir SE S S SE SE SE SE SE E E E E E E E E E E E E E Wind spd 9 8 6 5 5 4 3 6 6 9 9 8 8 8 9 9 8 10 11 11 10 Clouds SC SC B2 B2 SC SC SC SC SC SC B1 B1 SC SC B1 B1 B1 B1 SC SC SC PoP 12hr 60 30 40 40 40 QPF 12hr 0.79 0.13 0.15 0.17 0.13 Rain shwrs S S C L S S S C C S C C C C C C C C C C C Tstms S S Heat index 95102104 99 91 87 84 86 96101103 98 92 89 86 87 96101103 97 91 Max heat 95 104 103 89 96 103 102 91 96 103 102 Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 90 79 89 79 90 80 90 Temp 79 85 90 83 79 85 89 82 79 85 90 83 80 86 90 82 Dewpt 76 76 77 76 76 76 77 77 76 77 78 78 77 78 78 78 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 40 40 40 30 40 40 40 40 Rain shwrs C C C C C C C S S C C C C C C C $$ PRZ007-122000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 90 75 90 74 88 Temp 84 88 90 86 80 77 75 77 84 88 90 86 79 77 74 76 82 86 88 84 79 Dewpt 73 71 70 72 73 73 72 72 72 70 72 74 73 73 72 71 71 69 72 73 73 RH 70 57 52 63 79 87 90 85 67 55 56 68 82 87 93 85 69 57 59 70 82 Wind dir E SE SE SE E NE NE NE E SE SE SE E E NE NE NE E SE E E Wind spd 6 8 4 6 4 4 3 4 5 8 10 9 5 5 4 4 3 12 17 10 8 Wind gust 27 Clouds SC CL CL CL CL SC CL SC CL CL SC SC SC SC SC SC SC SC SC SC CL PoP 12hr 10 10 20 10 10 QPF 12hr 0 0.02 0.02 0.02 0.02 Rain shwrs S S S S S S S S S S S S S Heat index 91 95 96 92 84 90 94 97 93 83 87 91 95 91 83 Max heat 91 96 95 82 90 97 97 87 95 95 Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 88 75 88 75 88 75 88 Temp 75 83 88 79 75 83 88 79 75 83 88 79 75 83 88 79 Dewpt 70 71 72 73 71 72 73 73 72 72 73 74 72 72 74 73 PWind dir NE E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW FW FW FW FW FW FW SC SC SC SC SC SC FW FW SC PoP 12hr 10 5 5 20 10 20 10 30 Rain shwrs S S S S S S S S S S S S S S C C $$ PRZ008-122000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 77 86 76 84 Temp 84 87 88 85 81 79 77 78 82 85 86 83 79 78 76 77 81 83 84 82 79 Dewpt 73 74 74 75 74 75 75 74 73 74 74 74 75 77 76 75 73 74 75 75 75 RH 70 65 63 72 79 88 94 88 74 70 68 74 88 97100 94 77 74 74 79 88 Wind dir E N N NE NE E SE SE E NE NE NE E E E E E E NE NE E Wind spd 4 4 9 5 5 4 4 3 2 4 9 9 11 10 5 6 11 13 17 13 16 Clouds CL B2 OV OV SC CL CL CL CL SC B1 B1 SC SC CL CL CL CL B1 B1 SC PoP 12hr 70 30 40 30 40 QPF 12hr 1.93 0.02 0.13 0.03 0.11 Rain shwrs C L L C S C C C C C C S Tstms S S Heat index 90 95 97 93 86 88 92 94 90 84 85 90 92 88 Max heat 90 97 97 85 88 94 94 85 92 92 Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 84 76 84 76 84 76 84 Temp 76 81 84 79 76 81 84 79 76 81 84 79 76 81 84 79 Dewpt 75 72 74 75 75 73 75 75 76 73 76 76 76 74 77 76 PWind dir E NE E E E E E NE Wind char GN GN GN LT LT LT LT GN Avg clouds SC FW SC SC SC SC SC SC SC FW FW SC SC SC SC SC PoP 12hr 20 30 30 30 10 30 10 40 Rain shwrs S S S C C C C C S S C C S S C C Tstms S S $$ PRZ010-122000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 90 76 90 74 88 Temp 84 88 90 86 81 78 76 78 84 88 90 86 79 77 74 76 82 86 88 84 79 Dewpt 77 79 78 78 77 76 75 73 76 77 79 78 77 77 74 74 76 78 79 78 76 RH 80 75 68 77 88 94 97 85 77 70 70 77 94100100 94 82 77 75 82 91 Wind dir SE S NE NE E E E E E NW N NE E E E E E E NE E E Wind spd 9 8 6 1 4 3 4 5 3 2 8 5 5 4 3 5 5 1 4 1 9 Clouds SC SC B1 B2 B2 SC CL CL CL SC B2 B2 SC SC CL CL CL CL B2 B2 SC PoP 12hr 50 50 60 10 50 QPF 12hr 0.57 0.09 0.81 0.01 0.51 Rain shwrs S C C C C S S L L S S C C C Tstms S S S S S S Heat index 94103105 98 88 93101106 98 84 90 99103 96 84 Max heat 94 105 104 85 93 106 105 90 103 102 Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 89 75 89 75 89 75 89 Temp 75 83 89 80 75 83 89 80 75 83 89 80 75 83 89 80 Dewpt 74 76 78 77 75 76 79 77 75 77 80 78 75 77 80 78 PWind dir E NE E NE E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC CL SC B1 CL CL SC B1 SC SC SC B1 SC FW FW B1 PoP 12hr 30 60 0 60 20 60 10 60 Rain shwrs C L L L L S S L L S S L L Tstms S S S S S S S S $$ VIZ001-122000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 79 89 79 88 Temp 85 87 88 85 82 80 79 80 85 88 89 86 82 81 79 80 84 87 88 86 83 Dewpt 77 77 77 76 76 76 76 76 77 77 77 77 77 77 77 77 77 77 77 77 76 RH 77 72 70 75 82 88 91 88 77 70 68 75 85 88 94 91 80 72 70 75 80 Wind dir SE SE SE SE SE E E E E E E E E E E E E E E E E Wind spd 12 9 8 6 9 9 9 11 11 11 10 11 12 14 12 12 12 13 12 13 14 Clouds CL SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 20 20 30 30 QPF 12hr 0.07 0.07 0.04 0.08 0.09 Rain shwrs S C S S S S S S S S S S S C C C C C C S Heat index 95 99100 96 90 86 84 86 95100102 97 91 88 84 86 94 98100 96 91 Max heat 95 100 99 88 95 102 101 90 94 100 100 Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 89 80 89 80 89 80 88 Temp 80 85 89 83 80 85 89 83 80 85 89 83 80 85 88 83 Dewpt 76 77 77 77 77 77 77 77 78 78 78 78 78 78 79 78 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC B1 SC SC SC SC FW SC SC SC SC SC SC SC SC SC PoP 12hr 30 30 30 10 20 20 20 20 Rain shwrs C C C C C C S S S S S S S S S S $$ VIZ002-122000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Sun May 12 2024 Date Sun 05/12/24 Mon 05/13/24 Tue 05/14/24 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 90 78 90 78 90 Temp 85 89 90 87 82 80 78 79 85 89 90 87 82 80 78 79 85 89 90 87 82 Dewpt 76 76 75 75 75 75 75 75 76 76 76 76 76 76 76 76 76 76 76 75 75 RH 75 66 62 68 79 85 91 88 75 66 64 70 82 88 94 91 75 66 64 68 79 Wind dir SE SE SE SE E E E E E E E E E E E E E E E E E Wind spd 10 10 9 8 8 8 8 9 12 11 11 11 10 12 11 11 12 13 13 13 12 Clouds SC SC SC CL SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 30 30 30 30 QPF 12hr 0.04 0.10 0.06 0.07 0.06 Rain shwrs S S S S S S S C S S S C C S S C C S S S Heat index 94100100 96 88 85 84 94100102 97 89 85 84 94100101 96 89 Max heat 94 100 100 87 94 102 101 88 94 101 100 Date Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 Sat 05/18/24 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 78 90 78 90 79 90 78 90 Temp 78 85 90 82 78 85 90 83 79 85 90 82 78 85 90 82 Dewpt 75 76 76 76 76 76 76 76 76 77 77 77 77 77 77 77 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 30 30 20 20 30 30 30 Rain shwrs S C C C C C S S S S C C C C C C $$