Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
657 FOCA52 TJSJ 210903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Sun Jul 21 2024 PRZ001-212000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 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 79 90 Temp 88 91 92 89 83 81 80 80 86 89 90 87 83 81 79 80 86 89 90 87 83 Dewpt 77 77 76 76 76 76 75 75 76 77 77 77 77 76 76 76 76 77 77 76 77 RH 70 64 60 66 80 85 85 85 72 68 66 72 82 85 91 88 72 68 66 70 82 Wind dir E E NE E E E E E E E E E E E E E E E E E E Wind spd 12 13 16 14 12 10 11 11 11 13 14 13 11 11 10 9 12 16 16 13 11 Clouds SC SC SC SC CL SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC PoP 12hr 20 60 60 50 40 QPF 12hr 0.05 0.43 0.51 0.32 0.08 Rain shwrs S S S S S C L L L L L C C C C C C S S S Tstms S S Obvis H H H H H Heat index 100105105100 92 88 84 86 96102103 99 91 87 84 86 95102102 98 91 Max heat 100 106 105 90 96 103 103 90 95 103 102 Heat Y Y Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 91 79 90 79 89 Temp 79 86 91 83 79 86 91 83 79 86 90 83 79 85 89 82 Dewpt 76 76 76 76 76 77 78 78 78 78 77 78 77 77 77 76 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 CL CL FW SC FW FW FW FW CL CL CL CL FW PoP 12hr 50 50 70 70 5 5 0 10 Rain shwrs C C C C C S S S S S $$ PRZ002-212000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 80 89 80 91 Temp 88 90 90 88 83 82 80 81 85 88 89 87 83 82 80 81 87 90 91 88 84 Dewpt 77 77 76 76 76 76 76 76 77 78 78 77 77 76 76 76 77 78 77 77 76 RH 70 66 64 68 80 82 88 85 77 72 70 72 82 82 88 85 72 68 64 70 77 Wind dir NE NE NE NE NE NE E E E E E E E E E E E E E E E Wind spd 11 12 16 14 13 12 13 13 13 13 13 12 12 13 12 12 16 16 14 14 12 Clouds SC SC SC SC FW SC B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 SC SC B2 PoP 12hr 20 60 70 70 50 QPF 12hr 0.05 0.45 0.56 0.43 0.19 Rain shwrs S S S S C C L L L L L L L L L C C S S C Tstms S S Obvis H H H H H Heat index 100102102 98 92 89 86 88 96102102 98 92 88 86 88 98104104101 93 Max heat 100 103 103 91 96 103 102 91 98 105 104 Heat Y Y Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 91 81 92 81 91 81 91 Temp 80 87 91 84 81 88 92 85 81 87 91 84 81 87 91 84 Dewpt 76 77 77 76 75 77 79 78 78 78 78 77 77 77 77 76 PWind dir E E E E E E E E Wind char GN GN GN BZ BZ GN GN GN Avg clouds B2 B1 SC FW FW SC B1 FW FW FW FW CL CL CL CL FW PoP 12hr 50 50 70 70 10 10 0 10 Rain shwrs C C C S S L L S S S S S Tstms S S $$ PRZ007-212000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 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 74 90 75 92 Temp 85 90 91 87 80 77 75 76 84 89 90 86 80 78 76 77 85 91 92 88 81 Dewpt 74 75 74 73 71 70 70 70 70 71 72 71 71 72 71 70 69 71 72 69 71 RH 70 62 58 63 74 79 84 82 63 56 56 61 74 82 85 79 59 52 52 54 72 Wind dir E E E NE NE NE NE NE E E E E E E E E E E E E E Wind spd 9 13 17 12 8 6 5 4 6 14 16 14 9 6 6 6 11 16 17 13 10 Wind gust 24 29 25 26 27 27 Clouds FW FW SC CL CL CL FW SC SC SC B1 B1 SC SC SC SC FW FW SC SC FW PoP 12hr 10 20 40 20 10 QPF 12hr 0.01 0.04 0.15 0.04 0.01 Rain shwrs S S S S C C S S S S S S Obvis H H H H H Heat index 93100101 94 83 88 95 97 92 84 89 97100 92 85 Max heat 93 101 100 88 97 96 82 89 100 98 Heat Y Y Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 92 75 92 75 91 75 92 Temp 76 85 92 81 76 85 92 81 76 85 91 80 76 85 92 81 Dewpt 71 71 72 72 70 71 73 72 73 72 72 72 72 71 70 72 PWind dir E E E E E E NE E Wind char LT GN LT GN GN GN LT GN Avg clouds FW FW FW FW CL FW SC SC CL CL CL CL CL CL FW FW PoP 12hr 10 10 10 40 0 0 0 20 Rain shwrs S S S S S C C S S Tstms S S $$ PRZ008-212000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 75 89 76 88 Temp 85 90 91 87 80 78 76 77 83 88 89 86 80 78 77 78 83 87 88 85 80 Dewpt 76 75 75 75 75 76 76 75 74 75 76 75 75 76 76 76 74 75 76 75 75 RH 75 62 60 68 85 94100 94 74 66 66 70 85 94 97 94 74 68 68 72 85 Wind dir E E NE NE E E E E E E E E E E E E E E E E E Wind spd 17 19 20 19 19 17 14 17 14 19 17 20 21 18 13 12 14 16 20 21 17 Clouds SC SC CL CL CL CL CL CL SC SC OV OV B1 B1 SC SC CL CL B2 B2 SC PoP 12hr 20 10 70 40 60 QPF 12hr 0.02 0.01 0.94 0.06 0.54 Rain shwrs S S S S L L C C S S L L S Tstms S S S S Obvis H H H H H Heat index 95100102 96 86 90 98100 94 86 90 96 99 93 85 Max heat 95 102 101 84 90 100 99 84 90 99 98 Heat Y Y Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 89 76 89 76 89 76 89 Temp 76 84 89 80 77 84 89 80 77 84 89 80 77 84 89 80 Dewpt 76 74 75 75 75 74 77 76 77 76 77 76 77 75 76 75 PWind dir E E E E E E E NE Wind char GN BZ BZ BZ BZ BZ BZ BZ Avg clouds FW CL FW SC CL FW SC SC CL CL FW SC CL CL FW FW PoP 12hr 10 40 10 40 0 50 0 20 Rain shwrs S C C S C C C C S S Tstms S S $$ PRZ010-212000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 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 74 91 75 91 Temp 86 92 93 88 80 77 75 76 84 90 91 87 80 78 76 77 85 90 91 87 80 Dewpt 78 79 79 77 76 76 74 73 76 79 80 77 77 76 75 74 77 78 79 77 77 RH 77 66 64 70 88 97 97 90 77 70 70 72 91 94 97 90 77 68 68 72 91 Wind dir NE NE NE NE NE NE E NE E E E E E E E E E E E E E Wind spd 12 14 14 19 14 13 10 8 4 3 3 5 5 6 5 4 5 3 3 2 8 Clouds CL SC FW SC CL CL CL CL CL FW OV OV SC SC CL CL CL CL B2 B2 FW PoP 12hr 5 0 80 30 60 QPF 12hr 0.01 0 1.05 0.04 0.53 Rain shwrs S S D D C C L L Tstms S S S S Obvis H H H H H Heat index 99109110101 86 93106109 99 87 94104108 99 87 Max heat 99 110 108 84 93 109 107 84 94 108 106 Heat Y Y Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 92 75 92 75 92 75 92 Temp 76 85 92 81 76 85 92 81 76 85 92 81 76 85 92 81 Dewpt 74 76 78 76 74 77 79 78 76 78 79 78 75 77 79 76 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL SC B1 CL CL SC B1 CL CL FW SC CL CL FW SC PoP 12hr 5 60 5 70 5 50 0 40 Rain shwrs L L L L C C C C Tstms S S S S S S $$ VIZ001-212000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 80 91 80 90 Temp 89 92 93 90 84 82 81 81 87 90 91 88 84 82 80 81 86 89 90 88 83 Dewpt 76 76 76 76 76 77 76 76 77 77 77 77 77 77 76 76 76 76 76 76 77 RH 66 60 58 64 77 85 85 85 72 66 64 70 80 85 88 85 72 66 64 68 82 Wind dir E NE NE NE E E E E E E E E E E E E E E E E E Wind spd 18 18 18 20 19 23 20 20 20 18 17 17 19 19 20 20 20 21 19 19 19 Clouds SC SC SC CL SC SC B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC CL CL CL PoP 12hr 20 60 60 30 20 QPF 12hr 0.05 0.43 0.43 0.11 0.03 Rain shwrs S S S S C C L C L C C C C C C S S Obvis H H H H Heat index 100105106101 93 90 87 88 98103105101 93 90 86 88 96101102 99 92 Max heat 100 106 105 92 98 105 104 92 96 102 101 Heat Y Y Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 90 82 90 81 90 81 90 Temp 80 86 90 85 82 87 90 84 81 86 90 84 81 86 90 84 Dewpt 76 76 77 76 77 77 78 78 78 78 77 78 78 77 77 76 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ GN Avg clouds FW B1 SC FW FW SC B1 FW FW FW FW CL CL FW FW FW PoP 12hr 50 50 70 70 10 10 10 20 Rain shwrs C C C S S L L S S S S S S S Tstms S S $$ VIZ002-212000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Sun Jul 21 2024 Date Sun 07/21/24 Mon 07/22/24 Tue 07/23/24 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 91 80 91 Temp 87 91 92 89 83 81 80 81 86 90 91 88 84 82 80 81 87 90 91 88 83 Dewpt 77 78 76 76 76 76 76 76 77 77 77 77 77 76 76 76 76 76 77 76 76 RH 72 66 60 66 80 85 88 85 75 66 64 70 80 82 88 85 70 64 64 68 80 Wind dir E NE NE NE E E E E E E E E E E E E E E E E E Wind spd 14 17 18 19 17 17 18 17 17 18 17 17 16 17 17 17 19 18 18 18 16 Clouds SC SC SC FW SC SC B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC CL CL B2 PoP 12hr 20 60 60 30 50 QPF 12hr 0.03 0.43 0.43 0.10 0.07 Rain shwrs S S S S C C L C L C C C C C C S S C Obvis H H H H Heat index 99106105100 92 88 84 87 97103104100 93 89 86 88 97102104 98 91 Max heat 99 106 104 90 97 104 104 92 97 104 103 Heat Y Y Date Wed 07/24/24 Thu 07/25/24 Fri 07/26/24 Sat 07/27/24 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 92 80 91 80 91 80 91 Temp 79 87 92 84 80 87 91 84 80 87 91 84 80 87 91 84 Dewpt 76 77 76 76 77 78 78 78 78 78 77 78 77 77 77 77 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ GN Avg clouds B1 SC FW FW FW SC B1 FW FW FW FW CL CL FW FW FW PoP 12hr 50 20 70 70 10 10 10 10 Rain shwrs C C S S S L L S S S S S S S Tstms S S $$