Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
617 FOCA52 TJSJ 110903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Sat May 11 2024 PRZ001-112000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Sat May 11 2024 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 78 91 78 90 Temp 86 90 91 87 82 80 78 80 86 90 91 87 82 80 78 79 85 89 90 86 81 Dewpt 76 76 76 76 76 75 75 75 76 75 75 75 76 76 75 75 76 76 76 76 76 RH 72 64 62 70 82 85 91 85 72 62 60 68 82 88 91 88 75 66 64 72 85 Wind dir SE SE S S S SE SE SE SE SE SE SE SE SE SE SE SE E E E E Wind spd 5 8 10 3 1 4 4 5 5 8 11 10 6 4 4 4 5 11 13 12 9 Clouds SC SC B2 OV B2 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 80 50 30 20 40 QPF 12hr 1.30 0.17 0.08 0.04 0.08 Rain shwrs S C C D C S C C S S C C S S S S S S C C C Tstms S S S Heat index 95101103 98 90 85 84 95100102 97 90 85 84 94100102 97 88 Max heat 95 103 102 88 95 102 102 88 94 102 101 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 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 77 89 77 89 77 89 77 88 Temp 77 84 89 81 77 84 89 81 77 84 89 81 77 83 88 81 Dewpt 76 76 76 76 76 76 76 76 76 76 76 76 76 76 77 77 PWind dir E E E E E E E E Wind char LT GN GN GN GN GN GN GN Avg clouds B1 SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC B1 SC PoP 12hr 40 20 40 40 40 30 40 40 Rain shwrs C C S S S C C C C C C S S C C C $$ PRZ002-112000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Sat May 11 2024 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 77 90 79 89 Temp 85 89 90 86 81 79 77 79 85 89 90 87 83 81 79 80 85 88 89 86 83 Dewpt 77 77 77 77 76 75 75 75 76 76 76 77 76 76 76 76 77 77 77 77 77 RH 77 68 66 75 85 88 94 88 75 66 64 72 80 85 91 88 77 70 68 75 82 Wind dir SE S S S S SE SE SE SE S S SE SE E E E E E E E E Wind spd 6 10 10 6 3 4 6 9 9 8 6 9 6 5 5 6 9 10 10 10 9 Clouds B2 B1 B1 B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 50 60 50 30 40 QPF 12hr 0.50 0.65 0.11 0.10 0.25 Rain shwrs C C C C C C L L C S S S C C C C C C C C C Tstms S S S S S S S Heat index 95101103 97 88 83 94100102 98 91 87 84 86 95100102 98 92 Max heat 95 103 102 86 94 102 102 89 95 102 101 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 90 80 90 80 89 80 90 Temp 80 86 90 83 80 86 90 83 80 85 89 83 80 86 90 83 Dewpt 77 77 77 76 76 76 77 77 76 77 77 76 77 78 78 77 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds B1 SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC B1 B1 PoP 12hr 40 20 40 40 40 30 40 40 Rain shwrs C C S S S C C C C C C S S C C C $$ PRZ007-112000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Sat May 11 2024 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 89 76 89 75 89 Temp 84 87 89 85 80 78 76 78 84 87 89 85 80 77 75 77 83 87 89 85 79 Dewpt 72 73 72 71 71 71 70 72 73 71 71 72 73 73 72 71 72 72 73 74 74 RH 67 63 57 63 74 79 82 82 70 59 56 65 79 87 90 82 70 61 59 70 85 Wind dir E SE SE SE E NE E NE E SE SE SE E E E E E SE SE SE E Wind spd 5 9 9 4 4 4 4 5 6 9 8 6 4 3 3 4 4 10 11 9 6 Clouds B2 B1 SC SC SC SC B2 B1 SC CL SC SC CL CL CL CL SC SC SC SC SC PoP 12hr 50 60 10 10 10 QPF 12hr 0.20 0.35 0.01 0 0.02 Rain shwrs C C S S C C L C S S S S S S S S Tstms S S Heat index 89 95 96 90 84 90 93 95 91 84 88 94 97 92 83 Max heat 89 96 95 83 90 95 94 88 97 97 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 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 74 88 74 88 74 88 74 88 Temp 74 82 88 79 74 82 88 79 74 82 88 79 74 82 88 79 Dewpt 72 72 73 73 71 72 73 73 71 71 72 73 72 71 73 73 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC FW FW FW CL CL FW FW FW FW FW SC SC SC SC SC PoP 12hr 10 10 0 5 5 20 10 20 Rain shwrs S S S S S S S S S S S S S S $$ PRZ008-112000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Sat May 11 2024 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 78 86 77 84 Temp 82 85 86 84 81 79 78 79 83 85 86 83 80 78 77 78 81 83 84 82 79 Dewpt 73 74 75 75 74 75 75 74 73 74 75 75 74 75 75 74 73 74 75 75 75 RH 74 70 70 74 79 88 91 85 72 70 70 77 82 91 94 88 77 74 74 79 88 Wind dir S SW E E E E SE SE E N N NE E E SE SE E NE NE NE E Wind spd 4 4 9 3 11 8 5 3 2 5 9 6 4 4 2 2 3 6 10 11 13 Clouds SC CL B1 B2 B2 B2 CL CL CL B2 OV OV B1 B1 SC SC CL CL B1 B1 B1 PoP 12hr 60 60 70 40 40 QPF 12hr 0.48 0.21 1.53 0.08 0.22 Rain shwrs S C L L C C L L C C S S C C C Tstms S S S S S S Heat index 88 92 95 91 86 83 88 92 95 91 85 86 90 92 88 Max heat 88 95 94 85 88 95 94 83 86 92 91 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 84 75 84 75 84 75 84 Temp 76 81 84 78 75 80 84 78 75 80 84 78 75 80 84 79 Dewpt 76 74 75 75 75 73 75 75 75 73 76 75 75 74 76 76 PWind dir E E E E E NE E E Wind char GN GN GN GN GN GN GN GN Avg clouds B1 SC FW SC CL FW SC SC SC SC SC SC SC FW FW SC PoP 12hr 40 30 10 30 30 30 10 30 Rain shwrs C C C C S S C C C C C S S C C $$ PRZ010-112000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Sat May 11 2024 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 89 76 90 76 88 Temp 84 88 89 85 80 78 76 78 84 88 90 86 81 78 76 77 83 87 88 84 79 Dewpt 77 79 78 78 76 76 75 74 77 78 78 78 77 76 75 74 76 78 79 79 77 RH 80 75 70 80 88 94 97 88 80 72 68 77 88 94 97 90 80 75 75 85 94 Wind dir S S S S E E E E SE S N NE NE E SE SE E E N NE E Wind spd 8 10 13 9 9 6 5 6 5 2 3 6 5 3 2 3 3 4 6 3 5 Clouds SC SC SC SC SC SC CL SC SC SC B1 B1 SC SC CL CL CL CL B2 B2 SC PoP 12hr 30 30 40 10 60 QPF 12hr 0.19 0.04 0.23 0.01 0.61 Rain shwrs C C C C C S S S S C C S S L L C Tstms S S Heat index 93102103 97 86 94102105 98 88 91 99103 96 Max heat 93 104 102 84 94 105 104 85 91 103 102 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 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 74 88 74 89 74 89 74 89 Temp 74 82 88 79 74 83 89 79 74 83 89 79 74 83 89 80 Dewpt 74 77 79 77 74 76 79 77 74 76 79 77 74 77 80 78 PWind dir E NE E E E NE E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC CL CL SC B1 CL CL SC B1 SC SC SC B1 PoP 12hr 30 50 0 60 0 60 20 60 Rain shwrs C C C C L L L L S S L L Tstms S S S S S S S S $$ VIZ001-112000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Sat May 11 2024 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 80 88 79 88 Temp 84 86 87 85 82 81 80 81 85 87 88 85 82 80 79 80 84 87 88 85 82 Dewpt 77 77 76 77 76 76 77 76 77 77 77 77 77 77 77 77 78 78 78 78 78 RH 80 75 70 77 82 85 91 85 77 72 70 77 85 91 94 91 82 75 72 80 88 Wind dir SE SE S S SE SE SE SE SE SE SE SE E E E E E E E E E Wind spd 9 11 9 5 5 9 10 11 11 10 10 10 11 10 11 11 13 13 12 13 16 Clouds B1 SC B1 B1 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 60 30 20 20 QPF 12hr 0.41 0.21 0.06 0.03 0.04 Rain shwrs C C C C L C C S C S S S S S S S S S S S S Tstms S Heat index 93 97 98 96 90 88 86 87 95 98100 96 90 87 84 86 95 99101 97 91 Max heat 93 98 98 89 95 100 99 89 95 101 101 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 88 79 89 80 89 80 89 Temp 79 84 88 82 79 85 89 83 80 85 89 83 80 85 89 83 Dewpt 77 77 77 77 77 77 77 77 77 78 78 78 77 78 79 78 PWind dir E E E E E E E E Wind char GN GN BZ GN BZ GN BZ BZ Avg clouds SC SC SC SC FW SC SC SC SC SC FW SC SC SC SC SC PoP 12hr 20 20 30 30 30 10 20 20 Rain shwrs S S S S S C C C C C S S S S S S $$ VIZ002-112000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Sat May 11 2024 Date Sat 05/11/24 Sun 05/12/24 Mon 05/13/24 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 89 77 90 78 89 Temp 84 88 89 86 81 79 77 79 85 89 90 87 82 80 78 79 84 88 89 86 82 Dewpt 76 76 76 75 75 75 75 75 76 76 76 76 76 76 76 76 76 77 76 76 76 RH 77 68 66 70 82 88 94 88 75 66 64 70 82 88 94 91 77 70 66 72 82 Wind dir SE SE S SE SE SE SE SE SE SE SE E E E E E E E E E E Wind spd 10 11 12 10 6 8 9 9 10 13 10 9 8 9 9 10 12 13 12 12 12 Clouds SC SC SC SC B1 B1 SC CL CL SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 20 20 30 QPF 12hr 0.19 0.06 0.05 0.04 0.07 Rain shwrs C S C C C C S S S S S S S S S S C C C Tstms Heat index 93 99100 95 87 93100101 97 89 85 84 94 99100 96 89 Max heat 93 100 99 85 93 101 101 88 94 100 100 Date Tue 05/14/24 Wed 05/15/24 Thu 05/16/24 Fri 05/17/24 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 77 90 78 90 Temp 78 85 90 82 78 85 90 81 77 85 90 82 78 85 90 83 Dewpt 76 76 76 76 76 76 76 76 76 76 76 76 76 76 77 77 PWind dir E E E E E E E E Wind char GN GN GN GN BZ GN GN BZ Avg clouds SC SC FW FW FW SC B1 SC SC SC SC SC SC SC SC SC PoP 12hr 30 5 30 30 30 20 20 30 Rain shwrs C C S S S C C C C C S S S S C C $$