Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
843 FOCA52 TJSJ 100903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Thu Oct 10 2024 PRZ001-102000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 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 95 81 92 80 92 Temp 89 94 95 88 85 83 82 81 87 91 92 86 84 82 81 80 87 91 92 86 84 Dewpt 78 76 75 75 76 76 75 75 76 75 75 75 76 76 76 75 76 76 76 77 76 RH 70 56 53 66 75 80 79 82 70 60 58 70 77 82 85 85 70 62 60 75 77 Wind dir SE SE SE S SE S S S S E SE E SE SE SE SE SE E E E E Wind spd 6 9 12 9 8 5 5 4 5 8 9 9 5 5 4 4 4 8 12 10 6 Clouds SC SC SC SC SC SC SC SC CL CL SC SC SC SC SC SC SC SC B1 B1 SC PoP 12hr 10 20 10 20 40 QPF 12hr 0.02 0.03 0.03 0.03 0.11 Rain shwrs S S S S S S S S S S S S S S S S C C S Heat index 103107107 98 95 92 89 87 98102103 95 92 89 87 85 97103104 97 92 Max heat 103 109 107 94 98 103 102 91 97 104 103 Excess Heat W W High Surf Y Y Y Y Y Y Y Y Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 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 92 79 89 79 90 80 90 Temp 81 87 92 83 80 85 89 82 80 85 90 83 81 86 90 82 Dewpt 77 78 78 77 77 77 77 77 77 76 76 76 76 76 76 75 PWind dir E E E E SE E SE E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC B1 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 30 50 40 40 10 20 20 30 Rain shwrs S C C C C C C C S S S S S S C C Tstms S S $$ PRZ002-102000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 79 90 78 90 Temp 87 91 92 86 83 81 80 79 85 89 90 84 82 80 79 78 85 89 90 85 82 Dewpt 79 78 77 77 77 76 76 76 78 77 76 77 77 76 76 76 78 77 77 78 78 RH 77 66 62 75 82 85 88 91 80 68 64 80 85 88 91 94 80 68 66 80 88 Wind dir SE S S S SE SE SE SE SE SE SE SE SE SE SE E E E E E E Wind spd 8 10 10 6 8 6 8 5 8 9 6 6 5 6 6 5 6 9 8 8 6 Clouds SC SC SC SC SC SC SC SC SC CL SC SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 30 20 10 40 40 QPF 12hr 0.05 0.04 0.03 0.05 0.06 Rain shwrs S C S S S S S S S S S S S S S C C S S S Heat index 101106106 97 92 88 85 97102101 94 89 86 96102103 96 92 Max heat 101 107 104 90 97 103 100 88 96 103 102 Heat Y Y High Surf Y Y Y Y Y Y Y Y Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 91 79 89 78 89 78 90 Temp 80 86 91 83 80 85 89 81 79 84 89 81 79 85 90 80 Dewpt 78 78 78 78 77 77 77 77 76 76 76 76 76 75 75 75 PWind dir E E E E E E E E Wind char GN GN LT GN GN GN GN GN Avg clouds SC B1 B1 B1 B2 B2 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 40 50 60 60 30 30 30 30 Rain shwrs C C C C C L L S S C C S S C C C $$ PRZ007-102000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 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 95 81 92 79 93 Temp 89 94 95 88 85 83 82 81 87 91 92 86 83 81 80 79 87 92 93 87 84 Dewpt 80 79 78 78 77 76 76 75 77 78 78 78 77 76 75 73 76 77 78 78 78 RH 75 62 58 72 77 80 82 82 72 66 64 77 82 85 85 82 70 62 62 75 82 Wind dir E SE SE SE NE NE NE NE NE SE SE SE E NE NE NE NE E SE E E Wind spd 9 11 10 6 5 5 4 4 5 8 8 6 3 4 4 4 5 9 8 8 5 Clouds SC SC CL CL SC CL CL CL CL CL CL CL CL CL CL CL CL CL SC SC CL PoP 12hr 20 20 0 0 10 QPF 12hr 0.01 0.01 0 0 0.01 Rain shwrs S S S S S Heat index 106112111102 96 92 89 87 99106107 98 92 88 85 97106108 99 95 Max heat 106 113 111 96 99 107 106 90 97 108 107 Excess Heat W W Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 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 92 77 92 77 91 79 90 Temp 81 87 92 82 78 85 92 82 78 85 91 83 80 85 90 82 Dewpt 76 78 78 77 77 77 77 77 77 76 76 76 76 76 76 75 PWind dir E E E E E E NE E Wind char LT GN LT GN LT GN LT GN Avg clouds CL FW SC B1 SC SC SC B1 SC SC SC SC CL FW SC SC PoP 12hr 10 50 20 50 10 40 5 40 Rain shwrs S C C S S C C S S C C C C Tstms S S S S S S $$ PRZ008-102000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 79 87 79 88 Temp 85 90 91 85 83 81 80 79 83 86 87 83 81 80 80 79 84 87 88 83 81 Dewpt 76 76 75 75 76 76 75 75 73 74 74 73 74 75 75 74 73 74 74 74 75 RH 75 64 60 72 80 85 85 88 72 68 65 72 79 85 85 85 70 65 63 74 82 Wind dir SE N N NE E SE SE SE SE N N N NE E SE SE SE NE N NE E Wind spd 4 5 11 5 10 4 6 8 6 2 8 3 5 4 3 4 4 4 8 4 3 Clouds CL CL B1 B2 SC CL CL CL CL SC B1 B1 SC SC CL CL CL CL B2 B2 B1 PoP 12hr 40 30 40 20 60 QPF 12hr 0.56 0.02 0.12 0.01 0.53 Rain shwrs C L C S C C S S L L C Tstms S S S S S Heat index 95102102 94 90 87 85 90 95 95 89 87 86 84 90 96 96 90 87 Max heat 95 103 102 89 90 95 94 87 90 97 96 Excess Heat W W High Surf Y Y Y Y Y Y Y Y Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 87 77 87 76 86 77 86 Temp 79 83 87 80 78 83 87 79 77 82 86 80 78 82 86 79 Dewpt 76 77 77 77 77 77 76 76 76 76 76 76 76 75 75 75 PWind dir E E E E E E E E Wind char LT LT LT GN LT GN LT LT Avg clouds SC FW SC SC FW FW SC B1 FW FW SC B1 CL CL SC SC PoP 12hr 40 50 0 60 5 60 0 50 Rain shwrs C C C L L S L L C C Tstms S S S S S S $$ PRZ010-102000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 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 94 78 92 78 92 Temp 86 93 94 86 83 81 79 78 86 91 92 85 82 80 79 78 86 91 92 85 82 Dewpt 79 79 78 77 77 76 75 75 76 78 78 76 76 76 75 74 76 77 78 77 76 RH 80 64 60 75 82 85 88 91 72 66 64 75 82 88 88 88 72 64 64 77 82 Wind dir E S S SE E E E E E S S E E E E E E E N NE E Wind spd 8 12 14 11 6 6 9 9 9 8 8 6 6 5 6 6 5 2 4 4 4 Clouds SC CL SC SC SC CL CL CL CL SC B1 B1 SC SC CL CL CL CL SC SC SC PoP 12hr 20 20 40 10 30 QPF 12hr 0.19 0.01 0.10 0.01 0.06 Rain shwrs S S C S S C C S S C C C Tstms S S Heat index 100110110 97 92 87 83 96106107 95 90 86 96104107 95 88 Max heat 100 112 108 90 96 107 105 88 96 107 105 Excess Heat W W High Surf Y Y Y Y Y Y Y Y Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 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 91 77 90 75 89 77 90 Temp 78 85 91 81 78 84 90 80 76 83 89 81 78 84 90 80 Dewpt 75 76 76 76 76 76 75 75 75 75 75 75 75 74 74 74 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC B1 CL CL SC B1 CL FW SC B1 CL CL SC SC PoP 12hr 30 60 0 60 5 60 0 50 Rain shwrs C L L L L S L L C C Tstms S S S S S S S S $$ VIZ001-102000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 81 89 82 90 Temp 86 89 90 86 84 83 82 81 85 88 89 86 84 83 82 82 86 89 90 86 84 Dewpt 78 78 78 77 77 76 76 76 77 77 77 76 77 76 77 77 78 77 77 78 78 RH 77 70 68 75 80 80 82 85 77 70 68 72 80 80 85 85 77 68 66 77 82 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E E E E E Wind spd 10 13 12 9 8 10 10 10 10 9 8 9 10 10 10 9 10 12 11 11 12 Clouds SC SC SC SC CL CL CL SC SC SC CL CL SC SC SC SC SC SC SC SC SC PoP 12hr 20 10 10 20 20 QPF 12hr 0.04 0.01 0.02 0.03 0.05 Rain shwrs S S S S S S S S S S S S S S S S Heat index 99104104 97 93 90 89 87 96101102 95 94 91 91 90 99102103 98 94 Max heat 99 104 102 92 96 102 101 93 99 103 102 Heat Y Y High Surf Y Y Y Y Y Y Y Y Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 89 79 89 80 88 80 89 Temp 82 85 89 82 80 85 89 83 81 84 88 82 81 85 89 83 Dewpt 78 78 77 77 77 77 76 76 76 76 75 75 75 75 74 74 PWind dir E E E E E E E E Wind char GN GN GN BZ BZ BZ GN GN Avg clouds SC SC B1 B1 B2 B2 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 40 50 50 50 30 30 30 30 Rain shwrs S C C C C C C C C C C S S C C S $$ VIZ002-102000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Thu Oct 10 2024 Date Thu 10/10/24 Fri 10/11/24 Sat 10/12/24 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 92 81 90 79 92 Temp 87 91 92 87 84 83 82 81 86 89 90 85 82 81 80 79 86 91 92 85 82 Dewpt 78 78 78 77 76 75 76 76 78 77 77 76 76 76 76 77 78 78 79 78 78 RH 75 66 64 72 77 77 82 85 77 68 66 75 82 85 88 94 77 66 66 80 88 Wind dir SE SE SE SE E E E E E SE SE E E E E E E E E E E Wind spd 9 11 11 10 9 8 6 10 9 11 9 9 8 9 8 8 10 13 12 11 10 Clouds SC CL SC SC CL CL SC SC SC CL CL CL CL CL SC SC SC SC CL CL SC PoP 12hr 10 20 10 30 30 QPF 12hr 0.02 0.02 0.01 0.04 0.03 Rain shwrs S S S S S S S S C C S Heat index 100106107 98 93 90 89 87 98102103 94 90 87 85 99106109 97 91 Max heat 100 107 105 92 98 103 101 89 99 109 107 Heat Y Y High Surf Y Y Y Y Y Y Y Y Date Sun 10/13/24 Mon 10/14/24 Tue 10/15/24 Wed 10/16/24 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 91 78 90 78 90 78 90 Temp 79 85 91 82 79 85 90 82 79 85 90 82 79 85 90 82 Dewpt 78 77 76 76 76 76 75 75 75 75 74 74 74 74 73 73 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 40 40 30 30 30 30 30 Rain shwrs S C C C C C C S S C C S S C C S $$