Point Forecast Matrices Issued by NWS San Juan, PR
000
FOCA52 TJSJ 280903
PFMSJU
Point Forecast Matrices
National Weather Service San Juan PR
503 AM AST Thu Mar 28 2024
PRZ001-282000-
Luis Munoz Marin International Airport-San Juan
18.43N 66.00W Elev. 9 ft
503 AM AST Thu Mar 28 2024
Date Thu 03/28/24 Fri 03/29/24 Sat 03/30/24
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 85 75 86 75 86
Temp 79 83 85 82 79 77 76 75 80 85 86 82 79 77 76 75 80 85 86 83 80
Dewpt 64 64 66 66 66 66 66 66 67 66 67 67 66 66 66 67 68 68 69 70 70
RH 60 53 53 58 64 69 71 74 65 53 53 61 64 69 71 76 67 57 57 65 72
Wind dir W NW NW NW NW W W W W NW NW NW NW NW N N NE NE NE NE NE
Wind spd 5 8 13 12 10 8 9 8 6 11 11 8 5 6 8 6 8 5 10 11 12
Clouds CL CL FW FW FW FW SC SC SC FW FW FW FW FW FW FW SC SC FW FW SC
PoP 12hr 10 20 20 20 20
QPF 12hr 0.02 0.04 0.01 0.01 0.02
Rain shwrs S S S S S S S S S S S S S S S S
Heat index 85 87 84 82 87 89 84 83 88 90 87 83
Max heat 87 87 82 89 88 83 90 90
High Surf Y Y Y Y
Date Sun 03/31/24 Mon 04/01/24 Tue 04/02/24 Wed 04/03/24
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 83 77 86 78 87 77 87
Temp 78 80 83 79 77 82 86 81 78 83 87 81 78 83 87 82
Dewpt 70 69 70 69 68 68 69 68 68 67 68 68 68 68 70 71
PWind dir NE NE NE NE NE NE E E
Wind char GN GN GN GN GN GN GN GN
Avg clouds SC SC B1 B1 B1 B1 SC SC B1 B1 SC FW CL CL FW FW
PoP 12hr 40 40 40 40 30 30 5 10
Rain shwrs S C C C C C C C C C C S S S
$$
PRZ002-282000-
Roosevelt Roads Naval Airstation-Ceiba PR
18.25N 65.63W Elev. 39 ft
503 AM AST Thu Mar 28 2024
Date Thu 03/28/24 Fri 03/29/24 Sat 03/30/24
AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 84 72 85 76 85
Temp 78 82 84 80 76 74 73 72 78 83 85 82 79 78 77 76 80 84 85 82 80
Dewpt 65 66 67 68 68 67 67 66 68 68 68 68 68 68 67 67 69 70 70 70 71
RH 64 58 57 67 76 79 81 81 71 61 57 63 69 71 71 74 69 63 61 67 74
Wind dir NW NW NW NW NW NW NW W W NW NW NW NW NW N N N NE NE NE N
Wind spd 6 4 2 3 6 9 9 6 6 5 5 4 5 9 10 10 8 5 6 9 10
Clouds CL CL FW SC FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW SC
PoP 12hr 20 20 20 10 20
QPF 12hr 0.03 0.04 0.02 0 0.02
Rain shwrs S S S S S S S S S S S S S S
Heat index 84 87 82 86 88 85 82 83 88 90 86 83
Max heat 87 86 88 88 83 90 89
High Surf Y Y Y Y
Date Sun 03/31/24 Mon 04/01/24 Tue 04/02/24 Wed 04/03/24
AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 77 85 77 85 78 86 77 86
Temp 78 81 85 80 77 81 85 81 78 82 86 80 78 82 86 81
Dewpt 72 71 71 70 70 71 71 70 69 69 70 70 70 70 71 72
PWind dir NE NE NE NE NE NE E E
Wind char GN GN GN GN GN GN GN GN
Avg clouds SC B1 B1 SC B1 B1 SC SC B1 B1 SC FW CL CL FW FW
PoP 12hr 50 50 40 40 40 40 5 10
Rain shwrs S C C C C C C C C C C S S S
$$
PRZ007-282000-
Mercedita Airport-Ponce PR
18.02N 66.56W Elev. 26 ft
503 AM AST Thu Mar 28 2024
Date Thu 03/28/24 Fri 03/29/24 Sat 03/30/24
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 85 74 86 77 86
Temp 76 83 85 81 78 76 75 74 80 84 86 83 80 79 78 77 81 85 86 83 80
Dewpt 60 60 62 62 62 61 62 62 62 61 62 63 63 63 63 63 64 65 66 67 68
RH 58 46 46 53 58 60 64 66 54 46 45 51 56 58 60 62 56 51 51 59 67
Wind dir N SW SW SW N N NW N N S SW SW NE N N N N E SE E N
Wind spd 4 6 10 10 8 5 4 3 3 6 11 6 2 6 5 3 1 5 8 2 4
Clouds CL CL FW FW CL CL CL CL FW FW CL CL CL CL CL CL FW FW FW FW SC
PoP 12hr 10 5 5 10 30
QPF 12hr 0.01 0 0 0 0.02
Rain shwrs S S S S S S C
Heat index 83 86 82 81 85 86 84 82 83 87 88 85 83
Max heat 86 85 81 86 86 81 83 88 88
Date Sun 03/31/24 Mon 04/01/24 Tue 04/02/24 Wed 04/03/24
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 86 77 86 78 87 77 87
Temp 78 81 86 80 78 82 86 81 78 83 87 81 78 83 87 82
Dewpt 68 66 64 64 61 61 65 66 65 63 64 63 62 62 65 68
PWind dir NE NE NE NE NE E NE E
Wind char LT GN GN GN LT GN LT GN
Avg clouds SC SC B1 B1 SC SC B1 B1 FW FW SC FW CL CL FW FW
PoP 12hr 30 60 30 60 5 10 0 10
Rain shwrs C C L L S C L L S S S S S
$$
PRZ008-282000-
Rafael Hernandez Airport-Aguadilla PR
18.50N 67.13W Elev. 237 ft
503 AM AST Thu Mar 28 2024
Date Thu 03/28/24 Fri 03/29/24 Sat 03/30/24
AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 81 72 81 74 81
Temp 77 80 81 78 75 74 73 72 76 80 81 79 77 75 74 74 77 80 81 79 77
Dewpt 62 62 63 64 64 66 66 66 63 64 64 65 65 66 67 68 66 67 68 70 69
RH 60 54 54 62 69 76 79 81 64 58 56 62 67 74 79 82 69 65 65 74 76
Wind dir N NW NW NW NW NW NW NW NW NW NW N N N N NE NE NE NE NE NE
Wind spd 5 8 11 9 8 10 10 9 8 10 11 10 8 11 11 12 11 12 14 19 19
Clouds CL CL FW FW CL CL CL CL FW FW CL CL FW FW FW FW SC SC SC SC SC
PoP 12hr 10 5 5 20 20
QPF 12hr 0.01 0 0 0.01 0.04
Rain shwrs S S S S S S S S S
Heat index 81 82 81 83 82 84
Max heat 82 82 83 82 84 84
High Surf Y Y Y Y
Date Sun 03/31/24 Mon 04/01/24 Tue 04/02/24 Wed 04/03/24
AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 74 81 74 81 75 82 74 82
Temp 74 77 81 77 74 78 81 77 75 79 82 77 74 78 82 78
Dewpt 70 66 67 68 68 65 67 67 68 65 66 68 68 66 68 70
PWind dir NE NE NE NE E NE E NE
Wind char BZ BZ BZ BZ BZ BZ BZ GN
Avg clouds SC SC SC SC SC SC SC SC SC FW FW FW CL CL FW FW
PoP 12hr 20 20 10 40 10 10 0 10
Rain shwrs S S S S S S C C S S S S S S
$$
PRZ010-282000-
Eugenio Maria de Hosto Airport-Mayaguez PR
18.27N 67.15W Elev. 28 ft
503 AM AST Thu Mar 28 2024
Date Thu 03/28/24 Fri 03/29/24 Sat 03/30/24
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 84 73 85 76 85
Temp 78 82 84 80 77 75 74 73 79 83 85 82 79 78 77 76 80 84 85 82 79
Dewpt 65 67 68 68 67 66 66 66 67 69 69 69 68 67 67 67 68 71 73 73 71
RH 64 61 59 67 71 74 76 79 67 63 59 65 69 69 71 74 67 65 67 74 77
Wind dir NE NW NW NW N N N N N NW NW N N N NE NE NE NE NE NE NE
Wind spd 5 8 11 9 6 9 9 8 6 10 12 12 9 10 9 10 8 8 8 9 16
Clouds CL CL CL FW CL CL CL CL FW FW CL CL CL CL FW FW FW FW SC SC SC
PoP 12hr 10 5 5 20 30
QPF 12hr 0.01 0 0 0.01 0.03
Rain shwrs S S S S S S S C
Heat index 85 87 83 87 89 85 82 83 89 92 87 82
Max heat 87 87 89 89 83 92 91
High Surf Y Y Y Y
Date Sun 03/31/24 Mon 04/01/24 Tue 04/02/24 Wed 04/03/24
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 85 77 86 76 86
Temp 77 80 85 79 77 81 85 80 77 82 86 80 77 82 86 81
Dewpt 69 70 72 70 68 68 71 70 67 68 71 70 68 68 73 72
PWind dir NE NE NE NE E NE E E
Wind char BZ BZ GN GN GN GN GN LT
Avg clouds SC SC SC SC SC SC SC B1 FW FW SC SC CL CL FW SC
PoP 12hr 30 40 10 50 5 40 0 20
Rain shwrs C C C C S S C C C C S S
$$
VIZ001-282000-
CYRIL E. King Airport-St Thomas USVI
18.33N 64.97W Elev. 23 ft
503 AM AST Thu Mar 28 2024
Date Thu 03/28/24 Fri 03/29/24 Sat 03/30/24
AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
Max/Min 83 78 85 76 85
Temp 79 82 83 81 80 79 78 78 81 84 85 82 79 78 77 76 80 84 85 82 80
Dewpt 66 67 67 68 69 69 69 69 68 70 70 70 69 69 69 68 69 69 71 70 71
RH 64 61 59 65 69 72 74 74 65 63 61 67 72 74 76 76 69 61 63 67 74
Wind dir NW W W W NW NW NW NW NW NW NW NW N N N N N NE NE NE NE
Wind spd 10 10 11 14 17 16 17 16 13 10 12 12 12 13 16 14 11 9 9 11 14
Clouds CL CL FW FW FW FW SC SC FW FW FW FW FW FW FW FW CL CL FW FW SC
PoP 12hr 10 20 20 5 30
QPF 12hr 0.02 0.03 0.01 0 0.02
Rain shwrs S S S S S S S S S C
Heat index 84 86 84 82 84 88 89 85 82 83 88 90 86 83
Max heat 86 86 82 84 89 89 83 90 89
High Surf
Date Sun 03/31/24 Mon 04/01/24 Tue 04/02/24 Wed 04/03/24
AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
Min/Max 77 85 77 85 78 86 77 86
Temp 78 81 85 80 77 81 85 81 78 82 86 80 78 82 86 81
Dewpt 72 71 72 71 71 71 71 70 70 69 70 70 70 71 72 72
PWind dir NE NE NE NE NE NE E E
Wind char BZ BZ BZ BZ BZ GN GN GN
Avg clouds SC SC SC SC B1 B1 SC SC SC SC SC SC SC FW FW FW
PoP 12hr 30 40 40 20 20 20 10 10
Rain shwrs C C S C C C S S S S S S S S S S
$$
VIZ002-282000-
Henry E. Rohlsen Airport-St Croix USVI
17.70N 64.80W Elev. 74 ft
503 AM AST Thu Mar 28 2024
Date Thu 03/28/24 Fri 03/29/24 Sat 03/30/24
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 84 74 84 76 86
Temp 78 83 84 81 78 76 75 74 79 83 84 81 79 77 77 76 81 85 86 83 80
Dewpt 66 66 66 67 69 69 68 67 67 68 68 67 68 68 68 68 67 67 68 68 69
RH 67 57 55 63 74 79 79 79 67 61 59 63 69 74 74 76 63 55 55 61 69
Wind dir N NW W W W NW NW NW NW W W NW N N N N N NE NE NE NE
Wind spd 10 9 10 10 8 5 11 11 12 10 10 10 8 11 14 12 12 10 11 11 12
Clouds CL FW FW FW FW FW SC SC FW SC FW FW FW FW FW FW CL CL CL CL SC
PoP 12hr 10 20 20 5 30
QPF 12hr 0.03 0.03 0.01 0 0.01
Rain shwrs S S S S S S S S S C
Heat index 85 86 83 86 87 84 83 88 90 86 82
Max heat 86 86 87 86 83 90 89
Date Sun 03/31/24 Mon 04/01/24 Tue 04/02/24 Wed 04/03/24
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 76 86 77 87 76 87
Temp 77 81 86 80 77 82 86 80 78 83 87 80 77 82 87 81
Dewpt 70 71 71 71 71 71 71 70 69 69 70 70 70 71 71 72
PWind dir NE NE NE NE NE NE E E
Wind char BZ BZ BZ BZ BZ GN GN GN
Avg clouds SC B1 B1 SC B1 B1 SC SC SC SC SC SC SC FW FW SC
PoP 12hr 40 40 40 20 20 20 10 10
Rain shwrs C C C C C C S S S S S S S S S S
$$