Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
304 FOCA52 TJSJ 170903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Mon Jun 17 2024 PRZ001-172000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 91 79 90 Temp 87 90 91 88 83 81 79 81 86 90 91 88 83 81 79 81 86 89 90 88 84 Dewpt 76 76 77 76 76 75 75 75 76 76 76 76 76 76 76 76 77 77 77 77 77 RH 70 64 64 68 80 82 88 82 72 64 62 68 80 85 91 85 75 68 66 70 80 Wind dir E NE E SE SE S S S SE E E E E SE SE SE SE E E E E Wind spd 3 5 6 1 1 4 4 4 6 8 11 10 9 8 5 8 4 8 12 10 10 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 50 30 50 QPF 12hr 0.38 0.23 0.25 0.06 0.50 Rain shwrs C C C C S C C C C C C C S S S S C C C C S Tstms S S S Heat index 97102105 99 92 87 84 86 96101103 99 92 87 84 87 97101103 99 93 Max heat 97 105 103 90 96 103 103 90 97 103 103 Excess Heat A A Heat Y Y Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 79 90 80 90 80 92 Temp 80 86 90 83 79 86 90 84 80 86 90 84 80 87 92 84 Dewpt 76 77 78 77 76 77 77 76 76 77 77 76 76 77 78 77 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN LT GN Avg clouds SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 30 30 30 30 30 50 Rain shwrs S C C C C C C C C C C C C C C C Tstms S S $$ PRZ002-172000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 79 91 79 91 Temp 85 89 90 87 83 81 79 81 86 90 91 88 83 81 79 81 86 90 91 89 85 Dewpt 77 77 77 76 76 75 76 76 76 77 77 77 76 76 76 77 77 78 78 77 77 RH 77 68 66 70 80 82 91 85 72 66 64 70 80 85 91 88 75 68 66 68 77 Wind dir SE E SE SE E E SE SE SE SE SE E E E SE SE E E E E E Wind spd 3 6 6 4 1 6 8 8 6 10 8 6 6 8 5 6 9 9 4 6 11 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC PoP 12hr 50 50 50 50 60 QPF 12hr 0.31 0.30 0.27 0.11 0.61 Rain shwrs C C S C C C C C C C C C C C C C C C L L C Tstms S S S S Heat index 95101103 98 91 86 84 87 96103105100 92 87 84 88 97104106101 96 Max heat 95 105 103 89 96 105 104 90 97 106 105 Excess Heat A A Heat Y Y Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 82 91 82 91 81 90 81 92 Temp 82 87 91 85 82 87 91 85 81 86 90 84 81 88 92 85 Dewpt 77 77 78 77 77 77 78 76 76 77 77 77 77 77 78 78 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC B1 B1 SC SC SC B1 SC B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 50 50 40 40 40 40 40 50 Rain shwrs C C C C C C C C C C C C C C C C Tstms S S $$ PRZ007-172000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 89 78 87 Temp 86 89 90 87 82 79 77 79 84 88 89 86 82 80 78 79 83 86 87 84 79 Dewpt 74 76 76 75 74 74 74 73 75 75 76 75 75 74 74 73 75 77 77 76 75 RH 68 66 64 68 77 85 90 82 74 66 66 70 79 82 88 82 77 75 72 77 88 Wind dir E SE E E NE N NE NE E SE SE SE E E E E E E E E E Wind spd 2 6 5 2 3 4 3 3 5 9 8 6 4 4 3 6 5 4 9 9 6 Clouds FW FW SC SC FW SC SC SC SC SC SC SC FW FW FW FW FW FW SC SC FW PoP 12hr 30 30 30 10 20 QPF 12hr 0.28 0.16 0.21 0.03 0.10 Rain shwrs S S C C S C S C S S S C S S S S S S S S S Heat index 93100102 96 87 83 92 97100 95 88 84 83 91 97 99 93 83 Max heat 93 102 101 86 92 101 99 87 91 99 98 Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 87 78 86 78 88 79 89 Temp 75 82 87 81 78 83 86 81 78 84 88 82 79 85 89 83 Dewpt 74 75 77 75 73 75 77 75 74 75 77 75 73 75 78 77 PWind dir E E E E NE E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW SC SC FW FW FW FW FW FW FW SC SC FW FW FW SC PoP 12hr 20 20 5 10 10 20 5 30 Rain shwrs S S S S S S S S S S S S C C $$ PRZ008-172000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 77 88 78 86 Temp 83 86 87 85 81 79 77 79 84 87 88 86 82 80 78 79 83 85 86 84 80 Dewpt 73 75 75 74 73 75 75 75 73 74 74 75 75 76 76 75 74 75 75 75 76 RH 72 70 68 70 77 88 94 88 70 65 63 70 79 88 94 88 74 72 70 74 88 Wind dir SE N NE E E E SE SE E N NE NE E E E SE E E NE E E Wind spd 2 2 4 3 6 6 8 5 2 4 6 10 11 10 5 5 4 10 8 14 16 Clouds CL CL SC B2 SC FW FW CL FW FW SC SC SC SC SC SC FW FW SC SC SC PoP 12hr 60 30 40 40 40 QPF 12hr 0.68 0.04 0.39 0.07 0.22 Rain shwrs C L C S S S S C C C C S S S S C C C Tstms S S S S S Heat index 89 95 96 92 85 90 95 97 94 88 84 83 89 94 95 92 86 Max heat 89 96 96 84 90 98 96 87 89 95 94 Excess Heat A A Heat Y Y Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 87 78 87 78 86 79 87 Temp 77 83 87 81 78 83 87 81 78 83 86 81 79 84 87 82 Dewpt 76 75 76 76 77 74 76 76 76 74 76 75 76 74 76 77 PWind dir E E E E E E E E Wind char GN BZ GN BZ GN GN GN GN Avg clouds SC FW FW SC FW FW FW FW FW FW FW FW FW FW SC B1 PoP 12hr 30 20 5 10 5 20 5 60 Rain shwrs C S S S S S S S S L L Tstms S S $$ PRZ010-172000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 78 92 79 89 Temp 87 91 92 89 83 80 78 80 86 90 92 89 84 81 79 81 85 88 89 86 80 Dewpt 77 79 79 78 76 75 75 74 78 80 79 77 77 76 75 75 77 80 80 79 77 RH 72 68 66 70 80 85 91 82 77 73 66 68 80 85 88 82 77 77 75 80 91 Wind dir SE W S NE NE E E E E SW N NE E E E E E SE E E E Wind spd 2 3 3 4 6 5 3 4 5 1 4 5 5 4 4 3 3 11 9 4 4 Clouds CL CL B2 OV SC FW FW CL FW FW SC B2 SC SC CL CL FW FW B2 B2 SC PoP 12hr 80 20 70 40 70 QPF 12hr 1.06 0.04 0.50 0.04 0.69 Rain shwrs L D S S S S S C L C C S S L L C Tstms S S S S S S Heat index 99107109102 91 85 85 99108109101 93 88 84 86 96104106 99 85 Max heat 99 111 108 89 99 109 107 91 96 107 105 Excess Heat A A Heat Y Y Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 90 79 90 79 89 80 90 Temp 75 84 90 83 79 86 90 83 79 85 89 83 80 86 90 84 Dewpt 75 78 81 78 75 77 80 78 75 77 79 78 76 78 80 78 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC FW FW SC SC FW FW SC B1 FW FW FW SC PoP 12hr 30 60 5 60 5 60 5 60 Rain shwrs C S L L L L L L L L Tstms S S S S S S S S $$ VIZ001-172000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 80 89 80 89 Temp 85 87 88 86 83 81 80 81 85 88 89 87 83 81 80 81 85 88 89 87 84 Dewpt 76 76 77 77 76 77 77 76 77 77 77 77 77 78 78 77 77 78 77 78 78 RH 75 70 70 75 80 88 91 85 77 70 68 72 82 91 94 88 77 72 68 75 82 Wind dir SE SE SE SE E E E SE SE SE SE E E SE SE SE E E E E E Wind spd 10 8 6 5 9 12 13 12 13 12 11 9 10 11 14 17 16 17 14 13 17 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 40 50 30 40 QPF 12hr 0.30 0.19 0.47 0.08 0.13 Rain shwrs C C S C C C C C C C C C C C C C C C S S C Tstms S S Heat index 94 98100 97 91 89 87 88 96100102 98 92 90 88 89 96102102100 96 Max heat 94 100 100 90 96 102 101 91 96 102 102 Excess Heat A A Heat Y Y Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 82 91 81 91 82 90 82 90 Temp 82 87 91 85 81 87 91 85 82 87 90 85 82 87 90 85 Dewpt 78 77 78 78 79 77 78 78 78 77 77 78 79 78 78 79 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ GN BZ BZ Avg clouds SC B1 B1 SC SC SC SC SC B1 SC SC SC SC SC SC SC PoP 12hr 50 50 40 40 40 20 30 50 Rain shwrs C C C C C C C C C C S S S C C C Tstms S S $$ VIZ002-172000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Mon Jun 17 2024 Date Mon 06/17/24 Tue 06/18/24 Wed 06/19/24 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 79 91 81 92 Temp 86 89 90 87 83 81 79 81 86 90 91 89 85 83 81 83 88 91 92 89 84 Dewpt 76 78 77 76 76 76 76 76 77 77 78 77 76 77 76 77 77 78 78 77 77 RH 72 70 66 70 80 85 91 85 75 66 66 68 75 82 85 82 70 66 64 68 80 Wind dir SE SE SE E E E E E E E SE SE E E E E E E E E E Wind spd 8 8 6 5 8 10 10 11 12 12 11 8 8 9 11 12 13 14 16 12 14 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 40 50 50 50 QPF 12hr 0.29 0.13 0.26 0.14 0.19 Rain shwrs C C S C S S S S C C C C C C C C C C C C C Heat index 95103103 98 91 87 84 87 97103106101 94 91 88 91100106107102 94 Max heat 95 105 103 89 97 106 105 93 100 108 106 Excess Heat A A Heat Y Y Date Thu 06/20/24 Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 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 91 80 91 80 91 80 91 Temp 80 87 91 84 80 87 91 84 80 87 91 84 80 87 91 85 Dewpt 77 77 78 77 77 77 78 77 76 77 77 77 77 78 79 78 PWind dir E E E E E E E E Wind char BZ BZ BZ GN GN GN GN GN Avg clouds SC B1 B1 SC SC SC SC SC B1 SC SC SC SC SC SC SC PoP 12hr 50 50 40 40 40 30 30 50 Rain shwrs C C C C C C C C C C S C C C C C $$