Point Forecast Matrices Issued by NWS San Juan, PR
000
FOCA52 TJSJ 192103
PFMSJU
Point Forecast Matrices
National Weather Service San Juan PR
503 PM AST Fri Apr 19 2024
PRZ001-200800-
Luis Munoz Marin International Airport-San Juan
18.43N 66.00W Elev. 9 ft
503 PM AST Fri Apr 19 2024
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon
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 84 75 85 76
Temp 79 78 77 76 80 83 84 81 78 77 76 76 81 84 85 82 79 78 77 77 83
Dewpt 72 71 71 70 72 72 72 72 72 72 71 71 72 73 74 74 73 73 73 73 74
RH 79 79 82 82 77 70 67 74 82 85 85 85 74 70 70 77 82 85 87 87 74
Wind dir N NE NE NE NE NE NE NE NE NE NE E E E E E E E E E E
Wind spd 6 6 6 5 6 9 10 10 9 8 6 8 10 11 12 11 9 8 6 5 5
Clouds B2 B1 B2 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 SC SC B2 B2 B2 B2 B1
PoP 12hr 50 40 40 50 50
QPF 12hr 0.19 0.23 0.11 0.16 0.16
Rain shwrs C C C C S C C C C C C C C C S S C C C C C
Heat index 83 84 88 90 86 85 90 93 88 83 90
Max heat 88 84 90 89 85 93 92 90
Date 04/22 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
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 89 76 89 76 87 76 86 75 86
Temp 89 81 77 83 89 81 77 82 87 80 77 82 86 79 76 81 86 79
Dewpt 76 75 74 74 76 74 74 74 75 74 73 72 73 72 72 73 73 73
PWind dir E E E E E E E E E
Wind char GN LT GN LT GN GN GN GN GN
Avg clouds B1 B2 B2 B2 B1 B2 B2 B2 B2 B1 SC SC B1 SC SC SC B1 SC
PoP 12hr 60 60 60 60 60 40 40 50 50
Rain shwrs L L L L L L C L L C S C C S S C C S
Tstms S S S S
$$
PRZ002-200800-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N 65.63W Elev. 39 ft
503 PM AST Fri Apr 19 2024
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon
AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 76 87 76 87 77
Temp 80 78 77 77 82 86 87 84 80 78 77 77 82 86 87 84 81 79 78 78 84
Dewpt 73 72 72 71 72 73 73 73 73 73 73 73 74 75 75 75 75 74 75 74 75
RH 79 82 85 82 72 65 63 70 79 85 87 87 77 70 68 74 82 85 91 88 74
Wind dir N N NE NE NE NE NE NE NE NE NE NE NE NE E E E E E E E
Wind spd 8 8 9 8 9 10 10 11 9 10 8 9 9 11 10 9 9 8 6 6 6
Clouds B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B1
PoP 12hr 50 40 40 60 60
QPF 12hr 0.21 0.16 0.11 0.23 0.19
Rain shwrs C C C C C C S S C C C C C C C C L L L L C
Heat index 84 87 93 94 90 84 88 94 96 92 86 92
Max heat 89 87 94 94 83 88 96 96 85 92
Date 04/22 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 89 77 88 77 87 76 87 76 87
Temp 89 81 78 83 88 81 78 83 87 80 77 82 87 80 77 82 87 81
Dewpt 76 76 75 75 76 75 74 75 75 75 73 74 74 72 73 74 74 73
PWind dir E E E E E E E E E
Wind char LT GN GN GN GN GN GN GN GN
Avg clouds B1 B1 B2 B2 B1 B2 B2 B2 B2 B2 SC B1 B1 SC B1 B1 B1 SC
PoP 12hr 60 60 60 60 60 40 40 50 50
Rain shwrs C L L L L L C L L L C C C C C C C C
Tstms S S S S
$$
PRZ007-200800-
Mercedita Airport-Ponce PR
18.02N 66.56W Elev. 26 ft
503 PM AST Fri Apr 19 2024
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon
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 85 71 87 73
Temp 78 76 74 74 80 84 85 81 76 74 72 72 80 85 87 83 78 76 74 74 81
Dewpt 70 69 68 67 67 65 68 69 69 68 67 66 66 67 70 71 71 70 69 68 69
RH 76 79 82 79 65 53 57 67 79 82 84 81 62 55 57 67 79 82 84 82 67
Wind dir NE NE N N NE NE SE E NE NE NE NE NE E E E NE NE NE E E
Wind spd 4 6 5 5 4 10 10 2 6 6 6 5 5 12 14 9 5 3 3 3 4
Clouds B1 FW FW CL FW FW B2 B2 SC CL SC SC CL CL SC SC CL CL CL CL CL
PoP 12hr 50 60 20 10 0
QPF 12hr 0.03 0.26 0.04 0.06 0
Rain shwrs C C L S S S S S
Tstms S
Heat index 82 85 88 84 82 88 92 88 84
Max heat 88 82 88 88 82 92 92 84
Date 04/22 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
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 74 88 75 88 73 87 72 87
Temp 87 79 75 82 88 80 76 82 88 78 74 81 87 77 73 80 87 77
Dewpt 72 73 72 70 71 72 71 70 72 72 69 68 67 69 67 66 70 70
PWind dir E E E E E E E NE E
Wind char GN LT GN LT LT LT GN LT GN
Avg clouds FW SC FW FW FW FW FW FW SC SC FW CL FW SC CL FW SC SC
PoP 12hr 20 5 5 10 30 0 30 10 50
Rain shwrs S S S C C C C S C C
$$
PRZ008-200800-
Rafael Hernandez Airport-Aguadilla PR
18.50N 67.13W Elev. 237 ft
503 PM AST Fri Apr 19 2024
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon
AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 75 83 73 83 73
Temp 78 77 75 75 79 82 83 80 77 75 74 74 79 82 83 80 77 75 74 74 79
Dewpt 70 71 72 71 69 69 70 70 71 71 72 72 70 71 72 72 72 73 74 73 72
RH 76 82 90 87 72 65 65 72 82 87 93 93 74 69 70 77 85 94100 97 79
Wind dir NE NE NE E E NE NE NE NE E E E E E NE NE E E E E E
Wind spd 12 12 11 11 13 13 18 16 14 16 13 13 16 16 17 16 14 13 12 10 8
Clouds SC SC SC CL FW SC B1 B1 SC SC SC SC FW FW SC SC SC SC SC SC SC
PoP 12hr 30 30 20 30 30
QPF 12hr 0.06 0.15 0.03 0.11 0.10
Rain shwrs S S C S S C C S S S S S S C C C C C C C
Heat index 82 85 87 84 86 88 84
Max heat 84 82 87 87 88 88
Date 04/22 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 83 74 83 75 83 75 82 74 83
Temp 83 77 75 79 83 78 75 79 83 78 75 79 82 77 74 79 83 77
Dewpt 73 74 74 72 74 74 74 72 74 74 74 71 72 72 73 71 72 72
PWind dir NE E NE E NE E E E E
Wind char LT LT GN LT GN GN GN GN BZ
Avg clouds B1 B2 B2 B1 SC B2 SC SC B1 B1 SC SC SC CL CL CL FW FW
PoP 12hr 60 50 60 30 40 30 30 0 10
Rain shwrs L L C C L L C C C C S C C S S
Tstms S S S S
$$
PRZ010-200800-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N 67.15W Elev. 28 ft
503 PM AST Fri Apr 19 2024
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon
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 87 71 87 73
Temp 78 76 74 74 81 85 87 83 77 74 72 72 80 85 87 83 78 76 74 74 81
Dewpt 73 72 71 70 72 74 75 75 73 72 71 71 73 76 77 76 75 74 73 72 74
RH 85 87 90 87 74 70 68 77 87 93 97 97 79 75 72 80 91 94 97 93 79
Wind dir NE NE NE NE NE NE NE NE NE NE NE E E E NE NE E E E E E
Wind spd 12 10 10 10 10 8 10 14 10 12 10 10 10 2 2 4 8 6 4 4 3
Clouds SC FW FW CL FW FW B2 B2 SC SC SC SC CL CL B2 B2 CL CL CL CL CL
PoP 12hr 30 60 20 70 0
QPF 12hr 0.02 0.55 0.02 0.66 0
Rain shwrs C L L S S S S L L
Tstms S S S S
Heat index 85 93 96 90 84 94 99 92 86
Max heat 92 85 96 96 84 99 98 86
Date 04/22 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
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 73 87 74 88 73 87 72 88
Temp 87 78 74 81 87 79 75 82 88 78 74 81 87 77 73 81 88 78
Dewpt 79 76 74 75 79 76 74 75 78 76 73 74 77 75 72 73 76 74
PWind dir E E NE E NE E E E E
Wind char LT LT LT LT LT LT LT LT LT
Avg clouds FW SC FW FW FW B1 SC SC SC B2 B2 SC FW B1 FW FW FW SC
PoP 12hr 50 0 50 20 60 50 50 5 50
Rain shwrs C C C C S S L L C C C C S S C C
Tstms S S S S S S
$$
VIZ001-200800-
CYRIL E. King Airport-St Thomas USVI
18.33N 64.97W Elev. 23 ft
503 PM AST Fri Apr 19 2024
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon
AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
Min/Max 78 87 77 87 78
Temp 81 80 79 79 83 86 87 84 81 79 78 78 83 86 87 84 81 80 79 79 83
Dewpt 73 74 74 73 74 74 74 74 73 74 74 73 75 75 75 75 75 75 75 75 75
RH 77 82 85 82 74 68 65 72 77 85 88 85 77 70 68 74 82 85 88 88 77
Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE E E E E E E E E
Wind spd 12 13 13 13 13 12 12 13 14 14 13 13 14 14 12 12 13 14 13 13 12
Clouds B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 SC
PoP 12hr 50 40 40 60 60
QPF 12hr 0.18 0.15 0.11 0.30 0.18
Rain shwrs C C C C S C S S C C C C C C L L L L L L C
Tstms S S
Heat index 86 84 89 94 95 91 85 89 94 96 92 87 85 91
Max heat 91 85 89 95 95 84 89 96 96 86 91
Date 04/22 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Max/Min 87 79 87 79 87 77 87 77 88
Temp 87 82 79 83 87 82 79 83 87 81 78 83 87 81 78 83 88 81
Dewpt 76 76 76 76 75 75 75 75 75 75 73 74 74 73 73 74 73 74
PWind dir E E E E E E E E E
Wind char GN GN GN GN GN BZ BZ GN GN
Avg clouds SC B1 B2 B1 B1 B1 B2 B2 B2 B1 SC SC SC SC B1 B1 SC FW
PoP 12hr 50 50 50 60 60 20 40 40 30
Rain shwrs C C C C C C C L L C S S S C C C C S
$$
VIZ002-200800-
Henry E. Rohlsen Airport-St Croix USVI
17.70N 64.80W Elev. 74 ft
503 PM AST Fri Apr 19 2024
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon
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 87 75 88 76
Temp 79 77 76 76 82 86 87 84 79 77 76 76 82 87 88 85 80 78 77 77 83
Dewpt 73 73 73 72 73 73 74 74 74 73 73 73 74 74 75 74 75 74 74 74 75
RH 82 87 90 87 74 65 65 72 85 87 90 90 77 65 66 70 85 88 90 90 77
Wind dir NE NE NE NE NE NE NE NE NE NE NE NE E E E E E E E E E
Wind spd 9 10 10 9 10 11 11 12 12 12 11 11 11 12 11 11 11 11 11 10 11
Clouds B1 B1 B1 B2 B1 SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 SC
PoP 12hr 50 40 40 60 60
QPF 12hr 0.18 0.14 0.11 0.22 0.18
Rain shwrs C C C C C C S S C C C C C C C C L L L L C
Heat index 83 87 93 95 90 83 89 95 98 92 85 90
Max heat 90 87 95 95 89 98 97 84 90
Date 04/22 Tue 04/23/24 Wed 04/24/24 Thu 04/25/24 Fri 04/26/24
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 88 76 88 76 88 74 87 75 87
Temp 88 80 77 83 88 80 77 83 88 79 75 81 87 79 76 82 87 79
Dewpt 75 75 74 75 75 74 74 74 74 74 72 72 73 73 72 73 73 73
PWind dir E E E E E E E E E
Wind char GN GN GN GN GN BZ GN GN GN
Avg clouds SC B1 B1 B1 SC B1 B2 B2 B2 B1 SC SC SC SC B1 B1 B1 FW
PoP 12hr 40 40 50 60 60 30 40 50 50
Rain shwrs C C C C C C C L L C C C S C C C C S
$$