Point Forecast Matrices Issued by NWS San Juan, PR
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FOCA52 TJSJ 181529 AAA
PFMSJU
Point Forecast Matrices...UPDATED
National Weather Service San Juan PR
1129 AM AST Mon Mar 18 2024
PRZ001-182030-
Luis Munoz Marin International Airport-San Juan
18.43N 66.00W Elev. 9 ft
1129 AM AST Mon Mar 18 2024
Date Mon 03/18/24 Tue 03/19/24 Wed 03/20/24
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 91 75 89
Temp 90 85 82 79 78 77 84 89 91 85 81 78 76 75 82 87 89 84 81
Dewpt 73 73 73 73 73 72 73 72 73 72 73 73 72 72 73 73 74 73 72
RH 58 67 74 82 85 85 70 57 56 65 77 85 87 90 74 63 61 70 74
Wind dir E E E SE SE SE SE SE SE SE SE SE SE SE SE E E E E
Wind spd 18 14 9 9 8 8 9 11 13 11 5 5 5 4 2 5 11 8 5
Clouds FW FW FW CL SC FW FW FW SC SC FW FW FW FW FW FW SC SC SC
PoP 12hr 20 10 10 5 20
QPF 12hr 0.05 0.01 0.01 0 0.03
Rain shwrs S S S S S S S S S S S
Heat index 98 92 87 90 96100 91 86 87 94 98 90 85
Max heat 98 97 86 90 100 98 84 87 98 97
Date Thu 03/21/24 Fri 03/22/24 Sat 03/23/24 Sun 03/24/24
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 87 76 85 76 86 76 87
Temp 77 81 87 80 77 80 85 79 77 81 86 80 77 81 87 80
Dewpt 72 72 72 72 72 72 73 72 72 72 73 73 72 72 73 73
PWind dir E E NE E E E SE SE
Wind char LT LT LT GN GN GN GN GN
Avg clouds SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC B1
PoP 12hr 30 50 50 50 50 40 20 40
Rain shwrs S C C C C C C C C C C S S S C C
$$
PRZ002-182030-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N 65.63W Elev. 39 ft
1129 AM AST Mon Mar 18 2024
Date Mon 03/18/24 Tue 03/19/24 Wed 03/20/24
AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 87 78 88 77 88
Temp 87 84 81 80 79 78 83 87 88 84 81 79 78 77 82 87 88 84 80
Dewpt 76 75 75 75 74 74 74 75 75 75 75 75 74 74 75 75 75 74 74
RH 70 74 82 85 85 88 74 68 66 74 82 88 88 90 79 68 66 72 82
Wind dir SE SE E E E SE SE SE SE SE SE SE SE SE SE SE SE SE E
Wind spd 13 13 12 12 11 12 11 11 10 8 5 5 5 5 4 6 6 5 3
Clouds SC SC FW SC SC SC CL CL SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr 30 10 20 20 30
QPF 12hr 0.11 0.02 0.02 0.04 0.05
Rain shwrs S S S S S S S S S S S S S S S C
Heat index 98 92 87 85 90 96 98 92 87 89 96 98 91 84
Max heat 98 96 87 90 99 99 85 89 98 98
Date Thu 03/21/24 Fri 03/22/24 Sat 03/23/24 Sun 03/24/24
AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 76 86 77 84 77 84 78 84
Temp 77 81 86 80 78 80 84 80 77 80 84 80 78 81 84 80
Dewpt 73 74 74 73 73 73 74 74 73 74 75 74 74 74 75 75
PWind dir E E NE E E E E SE
Wind char LT LT GN GN GN GN GN GN
Avg clouds SC SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC SC B1 B2 B2
PoP 12hr 30 50 50 50 50 40 50 60
Rain shwrs C C C C C C C C C C C C C C L L
$$
PRZ007-182030-
Mercedita Airport-Ponce PR
18.02N 66.56W Elev. 26 ft
1129 AM AST Mon Mar 18 2024
Date Mon 03/18/24 Tue 03/19/24 Wed 03/20/24
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 89 75 90 74 88
Temp 89 84 80 78 76 75 82 88 90 84 80 77 75 74 81 86 88 83 78
Dewpt 73 73 72 72 71 70 73 73 74 73 73 71 70 69 72 73 74 74 72
RH 59 70 77 82 85 84 74 61 60 70 79 82 84 84 74 65 63 74 82
Wind dir SE SE E E NE NE E SE SE SE E NE E NE E SE SE SE E
Wind spd 14 10 8 6 5 6 9 11 9 6 4 4 3 4 4 9 10 4 2
Clouds FW FW CL CL CL CL CL CL SC SC FW FW FW FW FW FW SC SC FW
PoP 12hr 5 0 10 5 20
QPF 12hr 0 0 0.01 0 0.03
Rain shwrs S S S S
Heat index 97 90 84 87 96 99 90 84 85 93 97 90
Max heat 97 96 87 99 98 85 97 95
Date Thu 03/21/24 Fri 03/22/24 Sat 03/23/24 Sun 03/24/24
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 73 88 73 86 74 86 74 86
Temp 74 80 88 78 74 79 86 78 75 80 86 78 75 80 86 78
Dewpt 70 71 73 72 69 71 73 71 69 71 73 72 70 71 73 73
PWind dir NE E NE E E E E SE
Wind char LT LT LT GN LT GN LT GN
Avg clouds FW FW FW SC FW FW FW SC SC SC SC SC CL FW SC SC
PoP 12hr 5 20 0 20 20 20 20 20
Rain shwrs S S S S S S S S S S S
$$
PRZ008-182030-
Rafael Hernandez Airport-Aguadilla PR
18.50N 67.13W Elev. 237 ft
1129 AM AST Mon Mar 18 2024
Date Mon 03/18/24 Tue 03/19/24 Wed 03/20/24
AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 87 72 87 75 86
Temp 87 82 77 75 73 72 79 85 87 83 79 77 76 75 80 85 86 82 79
Dewpt 73 73 72 71 72 71 69 70 71 72 73 73 73 72 70 71 72 72 72
RH 63 74 85 87 97 97 72 61 59 70 82 87 90 90 72 63 63 72 79
Wind dir NE E S E E E E NE N N NE E SE SE E N N N NE
Wind spd 14 2 5 3 5 5 3 5 10 5 9 5 3 3 1 8 11 8 8
Clouds FW B1 FW CL CL CL CL CL B1 B1 SC SC SC SC CL CL FW FW FW
PoP 12hr 40 5 40 10 10
QPF 12hr 0.23 0 0.04 0.01 0.02
Rain shwrs C C C C S S S S S S
Heat index 94 87 90 93 88 83 90 92 87
Max heat 94 93 93 94 83 92 92
Heat Y
Date Thu 03/21/24 Fri 03/22/24 Sat 03/23/24 Sun 03/24/24
AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 75 85 74 82 74 82 74 83
Temp 76 80 85 78 75 78 82 77 75 78 82 77 75 78 83 77
Dewpt 73 70 72 71 72 70 71 72 72 69 72 72 72 70 71 71
PWind dir NE NE E E E E E S
Wind char LT GN GN BZ GN GN GN LT
Avg clouds FW FW FW SC FW FW SC B1 SC SC SC SC SC FW SC B1
PoP 12hr 5 10 5 40 10 30 5 60
Rain shwrs S S S C C S S C C S S L L
$$
PRZ010-182030-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N 67.15W Elev. 28 ft
1129 AM AST Mon Mar 18 2024
Date Mon 03/18/24 Tue 03/19/24 Wed 03/20/24
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 72 92 74 88
Temp 91 84 79 75 73 72 82 89 92 86 80 77 75 74 81 86 88 83 79
Dewpt 75 74 73 72 71 71 73 75 76 76 75 74 72 72 73 75 76 76 75
RH 60 72 82 90 93 97 74 64 60 72 85 90 90 93 77 70 68 80 88
Wind dir SE S E E E E E S S SE NE E SE S E NW W N NE
Wind spd 3 4 3 5 4 5 4 6 10 8 10 4 3 4 3 6 8 4 9
Clouds FW FW CL CL CL CL CL CL SC SC FW FW FW FW CL CL SC SC CL
PoP 12hr 20 0 20 0 20
QPF 12hr 0.08 0 0.02 0 0.04
Rain shwrs S S S S S S
Heat index 102 91 87 99105 96 85 86 95 99 91
Max heat 102 101 87 105 103 86 99 98
Heat Y
Date Thu 03/21/24 Fri 03/22/24 Sat 03/23/24 Sun 03/24/24
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 74 88 73 86 72 87 74 87
Temp 75 81 88 78 74 79 86 77 73 79 87 79 75 80 87 79
Dewpt 73 73 76 74 72 73 76 74 71 72 76 74 72 73 76 74
PWind dir NE NE NE E E E SE SE
Wind char LT GN GN GN LT LT LT LT
Avg clouds CL CL FW SC FW FW SC B1 SC FW SC B1 FW FW SC B1
PoP 12hr 0 40 0 60 5 50 0 60
Rain shwrs C C L L S S C C L L
$$
VIZ001-182030-
CYRIL E. King Airport-St Thomas USVI
18.33N 64.97W Elev. 23 ft
1129 AM AST Mon Mar 18 2024
Date Mon 03/18/24 Tue 03/19/24 Wed 03/20/24
AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 86 77 88 77 88
Temp 86 83 80 79 78 77 82 87 88 84 81 79 78 77 82 87 88 84 80
Dewpt 76 76 75 75 75 74 75 75 75 75 74 75 75 74 75 75 74 74 74
RH 72 80 85 88 91 90 79 68 66 74 79 88 91 90 79 68 63 72 82
Wind dir SE E E E E SE SE SE SE SE SE E SE SE SE SE SE E E
Wind spd 18 18 17 18 17 18 17 14 13 10 6 9 9 11 8 8 4 6 5
Clouds SC SC SC CL CL FW CL CL SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr 30 10 20 20 30
QPF 12hr 0.06 0 0.02 0.02 0.05
Rain shwrs C S S S S S S S S S S S S C
Heat index 96 91 85 89 96 98 92 86 89 96 97 91 84
Max heat 96 95 85 89 98 97 84 89 97 97
Date Thu 03/21/24 Fri 03/22/24 Sat 03/23/24 Sun 03/24/24
AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 76 85 76 82 76 82 77 83
Temp 77 80 85 79 77 79 82 78 76 79 82 79 77 80 83 79
Dewpt 73 73 73 73 74 74 74 74 74 74 74 74 74 74 75 75
PWind dir E E NE E E E E SE
Wind char LT GN GN BZ BZ BZ GN GN
Avg clouds SC SC SC B1 B2 B2 B1 B1 B2 B1 SC SC SC B1 B2 B2
PoP 12hr 30 50 50 50 50 30 50 50
Rain shwrs C C C C C C C C C C C C C C C C
$$
VIZ002-182030-
Henry E. Rohlsen Airport-St Croix USVI
17.70N 64.80W Elev. 74 ft
1129 AM AST Mon Mar 18 2024
Date Mon 03/18/24 Tue 03/19/24 Wed 03/20/24
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 78 91 77 89
Temp 90 86 82 80 79 78 84 89 91 86 82 80 78 77 83 87 89 85 81
Dewpt 75 74 74 74 73 72 73 74 74 73 73 73 73 73 74 74 74 73 72
RH 62 68 77 82 82 82 70 61 58 65 74 79 85 87 74 65 61 67 74
Wind dir E E E E E E E SE SE SE E E E E E E SE E E
Wind spd 17 16 14 14 14 13 16 16 12 11 8 9 6 8 9 9 6 5 5
Clouds SC SC SC CL CL CL CL CL CL CL SC SC SC SC SC SC SC SC SC
PoP 12hr 20 5 10 20 30
QPF 12hr 0.04 0 0 0.02 0.05
Rain shwrs S S S S S S S S S S C
Heat index 101 94 88 84 90 98101 93 87 84 90 95 98 92 85
Max heat 101 101 88 90 101 99 86 90 98 98
Date Thu 03/21/24 Fri 03/22/24 Sat 03/23/24 Sun 03/24/24
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 88 77 86 77 86 78 86
Temp 78 82 88 81 78 81 86 80 78 81 86 81 79 82 86 81
Dewpt 72 72 72 71 71 72 73 72 72 73 73 73 73 74 74 73
PWind dir E E NE E E E E SE
Wind char LT LT GN BZ BZ BZ GN GN
Avg clouds SC SC SC B1 B1 B1 B1 B1 B2 B1 SC SC SC B1 B2 B1
PoP 12hr 30 40 50 50 50 30 50 50
Rain shwrs C C C C C C C C C C C C C C C C
$$