Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions: 1
2
000 FOCA52 TJSJ 182103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Thu Apr 18 2024 PRZ001-190800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Thu Apr 18 2024 Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 85 76 84 75 Temp 80 78 77 77 81 84 85 82 79 78 77 76 80 83 84 81 78 77 76 76 80 Dewpt 72 72 72 71 72 73 74 73 72 72 71 71 71 71 72 71 71 71 71 71 72 RH 77 82 85 82 74 70 70 74 79 82 82 85 74 67 67 72 79 82 85 85 77 Wind dir NE NE E N NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE E E Wind spd 4 4 1 1 1 5 9 6 6 6 6 6 8 10 10 11 9 9 8 9 10 Clouds SC SC B2 B2 B2 SC B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC B2 PoP 12hr 60 60 50 40 50 QPF 12hr 0.17 0.22 0.19 0.20 0.10 Rain shwrs S S S C L S C C C C C C C C C C C C C C C Heat index 83 85 90 92 88 83 84 88 90 86 84 Max heat 89 85 92 92 84 90 89 84 Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 75 87 76 87 76 86 75 86 Temp 84 78 76 82 87 80 77 82 87 80 77 82 86 79 76 81 86 79 Dewpt 73 73 73 74 76 75 74 74 76 75 74 74 75 73 72 72 74 72 PWind dir NE E E E E E E E E Wind char GN LT GN LT GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 B1 SC PoP 12hr 60 60 60 60 60 60 60 50 40 Rain shwrs C L L L C L L L L L L L L C C C C S Tstms S S S S S S $$ PRZ002-190800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Thu Apr 18 2024 Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 86 75 86 76 Temp 79 77 76 76 81 85 86 83 79 77 76 76 81 85 86 83 80 78 77 77 82 Dewpt 73 73 73 72 73 74 74 73 73 73 73 71 73 73 73 73 72 72 73 72 73 RH 82 87 90 87 77 70 68 72 82 87 90 85 77 67 65 72 77 82 87 85 74 Wind dir NE NE NE NE NE NE NE NE N N N NE NE NE NE NE NE NE NE NE NE Wind spd 6 5 4 3 4 5 6 6 8 8 8 8 9 11 11 11 10 10 9 9 10 Clouds SC B1 B2 OV B2 SC SC SC B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC B2 PoP 12hr 60 60 50 40 50 QPF 12hr 0.21 0.18 0.19 0.13 0.10 Rain shwrs S S S C L S C S C C C C C C S S C C C C C Heat index 83 86 92 94 89 86 91 93 89 83 88 Max heat 90 86 94 93 86 93 92 88 Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 77 87 77 88 77 88 77 88 Temp 87 81 78 83 87 81 78 83 88 81 78 83 88 81 78 83 88 81 Dewpt 74 74 74 75 76 76 75 75 76 76 75 74 75 73 73 73 74 72 PWind dir NE E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC PoP 12hr 60 60 60 60 60 60 60 50 40 Rain shwrs C L L L C L L L L L L L L C C C C S Tstms S S S S S S $$ PRZ007-190800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Thu Apr 18 2024 Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 88 73 85 71 Temp 78 76 74 74 81 86 88 84 78 76 74 74 80 84 85 81 76 74 72 72 79 Dewpt 70 69 68 67 67 68 69 69 70 69 68 67 68 67 70 69 69 68 67 67 68 RH 76 79 82 79 63 55 54 61 76 79 82 79 67 57 61 67 79 82 84 84 69 Wind dir NE NE N N NE SE SE NE N NE N NE NE E E NE NE NE NE NE NE Wind spd 3 4 4 3 2 6 5 2 4 5 5 5 5 10 13 5 8 8 6 5 5 Clouds FW FW SC FW SC CL B1 SC FW FW FW CL FW FW B1 B1 SC SC SC SC CL PoP 12hr 20 40 5 50 30 QPF 12hr 0.05 0.19 0 0.27 0.05 Rain shwrs S S C C C C C C C C Heat index 84 90 92 88 82 86 90 84 82 Max heat 87 84 92 92 82 90 89 82 Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 72 86 74 87 75 87 72 87 Temp 86 77 73 80 86 78 75 81 87 79 76 82 87 77 73 80 87 77 Dewpt 70 70 69 69 72 72 70 70 72 72 70 70 72 71 69 67 65 68 PWind dir E NE E E E E E NE E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW FW CL CL FW SC FW FW FW FW CL FW SC SC CL CL FW SC PoP 12hr 10 0 20 5 5 5 30 0 30 Rain shwrs S S S S C C C C $$ PRZ008-190800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Thu Apr 18 2024 Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 83 75 82 73 Temp 77 75 74 74 79 82 83 81 78 77 75 75 79 81 82 79 76 75 74 74 79 Dewpt 71 72 72 72 70 71 71 71 70 72 72 71 69 69 70 70 70 71 72 71 70 RH 82 90 93 93 74 69 67 72 76 85 90 87 72 67 67 74 82 87 93 90 74 Wind dir NE E E E E NE NE NE NE NE NE NE NE NE NE NE NE E E E E Wind spd 11 11 8 8 10 11 13 14 13 12 12 12 13 16 19 18 16 14 13 14 17 Clouds SC SC SC SC SC CL SC SC SC SC SC CL FW FW B1 B1 FW FW FW FW FW PoP 12hr 20 20 30 30 5 QPF 12hr 0.10 0.06 0.05 0.13 0 Rain shwrs S S S S S S S S S C S S C C S Heat index 86 88 85 85 86 82 Max heat 84 88 87 86 85 Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 72 83 74 83 75 83 74 83 Temp 83 76 73 78 83 77 75 79 83 78 75 79 83 77 75 79 83 77 Dewpt 71 72 73 71 73 74 74 72 74 74 74 72 73 73 73 70 72 71 PWind dir NE E E E E E E E E Wind char BZ GN GN LT LT GN GN GN BZ Avg clouds SC SC SC SC B1 B2 B2 B1 SC B1 SC SC B1 B1 SC SC SC CL PoP 12hr 30 30 60 50 60 30 40 30 30 Rain shwrs C C C C L L C C L L S C C C S C C Tstms S S S S $$ PRZ010-190800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Thu Apr 18 2024 Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 88 73 86 71 Temp 78 76 74 74 81 86 88 84 78 76 74 74 80 85 86 82 76 74 72 72 80 Dewpt 74 73 72 71 73 75 76 76 73 73 71 71 72 74 75 74 72 72 70 70 72 RH 88 90 93 90 77 70 68 77 85 90 90 90 77 70 70 77 87 93 93 93 77 Wind dir NE NE NE NE NE NE N NE NE NE NE NE NE NE NE NE NE NE NE NE E Wind spd 11 9 8 8 8 8 12 14 12 11 11 10 11 11 12 13 14 12 10 11 11 Clouds SC FW FW FW SC FW SC B1 CL FW FW CL FW FW B2 B2 SC SC SC SC CL PoP 12hr 20 30 0 60 10 QPF 12hr 0.07 0.14 0 0.54 0.01 Rain shwrs S S S S S S C L L S S S S Tstms S S Heat index 86 96 99 93 84 92 95 88 84 Max heat 93 86 99 99 84 95 94 84 Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 72 87 73 87 74 88 72 88 Temp 87 77 73 80 87 78 74 81 87 79 75 82 88 78 73 81 88 78 Dewpt 76 75 73 74 78 76 74 75 79 76 74 74 78 75 73 73 77 74 PWind dir NE E E E E E E E E Wind char LT GN LT LT LT LT LT LT LT Avg clouds SC B1 CL CL SC B1 FW FW SC SC CL CL SC B1 CL CL SC B2 PoP 12hr 70 0 60 0 50 0 60 0 50 Rain shwrs L L L L C C L L C C Tstms S S S S S S $$ VIZ001-190800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Thu Apr 18 2024 Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 87 77 87 76 Temp 80 79 78 78 83 86 87 84 81 79 78 78 83 86 87 84 80 78 77 77 82 Dewpt 74 74 73 73 73 74 74 73 73 74 73 73 73 73 73 73 73 73 73 73 74 RH 82 85 85 85 72 68 65 70 77 85 85 85 72 65 63 70 79 85 87 87 77 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE Wind spd 10 9 8 6 5 5 6 8 11 12 13 13 14 13 13 14 16 16 14 16 16 Clouds SC B1 B2 OV B2 SC SC SC B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC B2 PoP 12hr 50 50 50 40 50 QPF 12hr 0.30 0.17 0.17 0.13 0.10 Rain shwrs S C C C C S C C C C C C C C S S C C C C C Heat index 85 88 93 95 91 85 88 93 94 90 84 88 Max heat 90 84 88 95 95 84 88 94 94 83 88 Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 77 86 78 86 77 87 77 87 Temp 87 81 78 82 86 81 78 82 86 80 78 83 87 81 78 83 87 81 Dewpt 75 75 75 76 76 76 76 76 76 76 75 75 75 74 73 74 74 73 PWind dir NE E E E E E E E E Wind char BZ GN GN GN GN BZ BZ BZ BZ Avg clouds B2 B1 SC SC SC B1 B2 B1 B1 B1 B2 B1 B1 B1 B1 SC SC SC PoP 12hr 60 30 50 50 50 50 40 40 10 Rain shwrs L L S C C C C C C C C C C C C C S S Tstms S S S $$ VIZ002-190800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Thu Apr 18 2024 Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 87 75 87 75 Temp 79 77 75 75 81 86 87 84 79 77 76 76 82 86 87 84 79 77 76 76 82 Dewpt 73 73 73 72 74 73 74 73 73 73 73 72 73 73 74 73 73 73 73 73 74 RH 82 87 94 90 79 65 65 70 82 87 90 87 74 65 65 70 82 87 90 90 77 Wind dir NE NE NE NE E E NE NE NE NE NE NE NE NE NE NE NE NE NE NE E Wind spd 9 9 8 5 6 6 8 8 10 10 10 9 11 12 11 13 12 12 11 11 13 Clouds SC B1 B2 B2 B1 B1 SC SC B1 B1 B1 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 40 50 30 30 QPF 12hr 0.29 0.19 0.16 0.11 0.08 Rain shwrs S C C C C C S S C C C C C C S S C C C C C Heat index 87 93 95 90 83 87 93 95 90 83 88 Max heat 90 87 95 94 87 95 94 88 Date 04/21 Mon 04/22/24 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 76 87 76 88 75 86 75 87 Temp 87 80 77 82 87 80 77 83 88 80 76 81 86 79 76 82 87 79 Dewpt 74 74 74 75 75 75 74 75 75 74 74 74 74 73 72 73 73 72 PWind dir E E E E E E E E E Wind char GN GN GN GN GN BZ BZ BZ BZ Avg clouds B1 B1 B1 B1 SC B1 B1 B1 SC B1 B2 B1 B1 B1 SC SC SC SC PoP 12hr 40 40 40 40 50 50 40 30 10 Rain shwrs C C C C C C C C C C C C C C C C S S Tstms S S $$
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