839
FOCA52 TJSJ 082103
PFMSJU
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
503 PM AST MON SEP 8 2025
PRZ001-090800-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N 66.00W ELEV. 9 FT
503 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 91 78 91 80
TEMP 81 79 78 77 85 90 91 85 82 80 79 78 86 90 91 86 83 82 81 80 87
DEWPT 75 74 74 74 75 76 76 76 76 75 75 75 76 76 76 77 76 76 76 76 76
RH 82 85 88 90 72 64 62 75 82 85 88 91 72 64 62 75 80 82 85 88 70
WIND DIR SE SE SE S SE E E E SE SE SE SE SE SE E E E E E SE E
WIND SPD 9 9 5 4 5 10 10 10 6 6 5 3 5 13 14 12 10 10 6 6 9
CLOUDS SC SC CL SC SC FW FW SC B2 B2 B1 B1 SC SC B1 B1 SC SC SC SC SC
POP 12HR 20 50 50 60 50
QPF 12HR 0.03 0.14 0.23 1.08 0.15
RAIN SHWRS S S S S S S C C C C C C L L C C C C S
TSTMS S S S S S S S S
HEAT INDEX 87 94102103 94 89 85 96102103 97 91 89 87 86 98
MAX HEAT 92 85 94 103 102 87 96 103 102 91 98
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 92 79 92 78 92 79 92 79 92
TEMP 92 83 80 87 92 82 79 86 92 83 80 87 92 83 80 87 92 83
DEWPT 76 76 75 75 76 75 75 75 76 75 75 75 76 75 74 76 68 75
PWIND DIR E E E SE E SE E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC B1 B1 B1 B2 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC B1
POP 12HR 40 40 60 40 40 40 40 40 50
RAIN SHWRS S C C C L L C C C C C C C C C C C C
TSTMS S S S S
PRZ002-090800-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N 65.63W ELEV. 39 FT
503 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 79 89 80 89 80
TEMP 82 80 79 79 85 88 89 85 83 81 80 80 85 88 89 85 83 81 80 80 86
DEWPT 76 75 76 75 77 77 77 77 76 77 76 76 78 78 78 78 77 78 77 76 78
RH 82 85 91 88 77 70 68 77 80 88 88 88 80 72 70 80 82 91 91 88 77
WIND DIR E E E E E SE SE SE SE SE SE SE SE SE E E E E E E E
WIND SPD 11 10 6 6 5 8 8 8 11 12 9 8 10 12 11 10 10 11 11 11 10
CLOUDS SC SC CL SC SC SC FW SC B2 B2 B2 B2 SC SC B1 B1 SC SC SC SC B2
POP 12HR 20 50 50 50 50
QPF 12HR 0.04 0.14 0.24 0.59 0.18
RAIN SHWRS S S S S S S S C C C C C C C C C C C C C
TSTMS S S S S S S S S
HEAT INDEX 89 85 96100102 96 91 88 86 86 97102103 97 92 89 87 86 98
MAX HEAT 94 87 96 102 100 90 97 103 102 91 98
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 90 80 90 80 91 80 91 80 91
TEMP 90 83 81 86 90 83 81 86 91 83 81 86 91 83 81 86 91 83
DEWPT 76 76 77 77 76 76 76 76 76 76 76 77 76 76 76 77 71 75
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN LT GN GN GN GN GN
AVG CLOUDS B1 SC B2 B1 B1 B2 B2 B2 B1 B1 B1 SC SC B1 B1 SC SC B1
POP 12HR 50 50 60 50 50 40 40 40 50
RAIN SHWRS C C C C L L C C C C C C C C C C C C
TSTMS S S S S
PRZ007-090800-
MERCEDITA AIRPORT-PONCE PR
18.02N 66.56W ELEV. 26 FT
503 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 89 77 90 78
TEMP 79 78 77 76 84 88 89 84 81 79 78 77 85 89 90 85 82 80 79 78 86
DEWPT 74 73 72 70 70 69 72 73 73 71 70 70 71 74 74 74 74 74 74 73 73
RH 85 85 85 82 63 54 57 70 77 77 76 79 63 61 60 70 77 82 85 85 65
WIND DIR E NE NE NE E SE SE SE E NE NE E E E SE E E E E E E
WIND SPD 6 6 4 5 4 10 10 9 6 11 8 6 6 12 11 9 6 4 5 4 8
CLOUDS FW FW CL FW FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW CL
POP 12HR 5 5 20 20 20
QPF 12HR 0.01 0.03 0.02 0.04 0.04
RAIN SHWRS S S S S S S S S S S
HEAT INDEX 88 92 96 90 86 90 98 99 93 88 84 93
MAX HEAT 87 88 96 96 84 90 99 98 86 93
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 91 77 91 77 91 77 91 77 91
TEMP 91 81 78 85 91 81 78 85 91 81 78 85 91 81 78 85 91 81
DEWPT 73 74 73 73 73 73 73 72 72 72 71 70 71 74 72 71 70 69
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN LT LT LT GN
AVG CLOUDS FW SC SC FW FW FW CL CL CL CL CL CL FW FW CL CL FW FW
POP 12HR 10 10 10 0 0 0 0 0 0
RAIN SHWRS S S S S S S
PRZ008-090800-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N 67.13W ELEV. 237 FT
503 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 87 77
TEMP 78 77 76 75 82 86 87 82 79 77 76 75 82 86 87 83 80 79 78 77 83
DEWPT 74 75 74 71 73 75 76 75 76 75 75 73 74 75 76 76 76 76 75 73 75
RH 88 94 94 87 74 70 70 79 91 94 97 94 77 70 70 80 88 91 91 87 77
WIND DIR E E E E E E NE E SE SE SE SE SE NE NE E E E E E E
WIND SPD 1 4 5 6 6 8 9 5 5 6 8 5 6 5 6 8 9 9 8 8 6
CLOUDS B2 SC CL CL CL CL SC B2 B1 SC SC SC SC SC B2 B2 SC SC FW FW CL
POP 12HR 50 50 40 60 20
QPF 12HR 0.11 0.27 0.11 1.07 0.03
RAIN SHWRS C C C C C S C C C C L L S S
TSTMS S S S
HEAT INDEX 87 95 98 89 88 95 98 91 86 90
MAX HEAT 86 87 98 96 88 98 96 90
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 76 88 76 88
TEMP 88 80 77 83 88 80 77 83 88 80 77 83 88 80 77 83 88 80
DEWPT 76 76 75 75 76 75 75 74 76 75 75 75 77 75 75 75 72 73
PWIND DIR E E NE E NE E E E E
WIND CHAR GN LT LT LT LT LT GN GN GN
AVG CLOUDS FW SC FW FW SC B1 SC FW SC B1 CL CL FW SC FW FW FW SC
POP 12HR 40 5 60 10 60 0 40 0 10
RAIN SHWRS C C L L S S L L C C S S
TSTMS S S S S S S S S
PRZ010-090800-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N 67.15W ELEV. 28 FT
503 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 92 75 93 75
TEMP 79 77 75 75 84 90 92 85 80 78 76 76 85 91 93 85 80 78 76 76 86
DEWPT 76 75 74 73 75 75 77 76 76 76 75 74 76 77 78 77 77 76 76 75 77
RH 91 94 97 94 74 62 62 75 88 94 97 94 75 64 62 77 91 94100 97 75
WIND DIR NE E E E E SE SW N NE E E E E SE NE E E E E E E
WIND SPD 4 5 5 3 3 2 4 3 4 8 10 6 6 3 2 1 1 4 4 3 3
CLOUDS B2 SC CL CL CL FW SC OV SC FW SC SC SC SC B1 B1 SC SC FW FW CL
POP 12HR 50 70 20 60 20
QPF 12HR 0.11 0.71 0.05 1.04 0.03
RAIN SHWRS C C C L S S S S S L L S S
TSTMS S S S S
HEAT INDEX 92101106 94 86 94105109 96 87 97
MAX HEAT 94 92 106 105 94 109 107 97
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 94 75 94 75 93 75 94 75 93
TEMP 94 81 76 86 94 81 76 85 93 80 76 86 94 81 76 85 93 80
DEWPT 79 77 75 76 78 77 75 76 78 76 75 76 79 76 75 76 73 72
PWIND DIR E E SE E SE E E E E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 FW FW SC B1 CL CL SC B1 CL CL SC B1 CL CL SC SC
POP 12HR 60 0 60 0 60 0 60 0 50
RAIN SHWRS L L L L L L L L C C
TSTMS S S S S S S S S S S
VIZ001-090800-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N 64.97W ELEV. 23 FT
503 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 82 90 83 91 82
TEMP 84 83 82 82 87 89 90 87 85 84 83 83 88 90 91 87 85 83 82 82 88
DEWPT 76 76 76 76 78 77 77 78 77 77 77 77 78 78 78 79 78 78 78 77 78
RH 77 80 82 82 75 68 66 75 77 80 82 82 72 68 66 77 80 85 88 85 72
WIND DIR E E E E E E SE SE SE SE E SE SE SE E E E E E E E
WIND SPD 16 13 12 10 9 8 11 12 16 16 14 16 16 17 14 16 17 17 18 16 14
CLOUDS SC FW CL SC B1 SC FW SC B2 B2 B1 B1 SC SC SC SC SC SC SC SC B2
POP 12HR 40 50 50 50 50
QPF 12HR 0.04 0.16 0.23 0.14 0.18
RAIN SHWRS S S S C S S S C C C C C C C C C C C C C
TSTMS S S S S S S S S
HEAT INDEX 93 91 89 89100102103100 96 94 92 92102105106101 97 93 91 90102
MAX HEAT 98 93 100 103 103 96 102 106 105 95 102
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 92 82 92 83 92 82 91 82 92
TEMP 92 85 83 88 92 86 83 88 92 85 83 87 91 85 82 88 92 85
DEWPT 77 77 77 77 76 76 76 77 77 76 76 77 76 76 77 78 75 75
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN BZ
AVG CLOUDS B1 SC B2 B1 SC SC SC SC B1 SC SC FW FW SC SC FW FW SC
POP 12HR 50 50 20 40 40 10 20 10 20
RAIN SHWRS C C C C S S S C C S S S S S S S S S
VIZ002-090800-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N 64.80W ELEV. 74 FT
503 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 89 79 90 79
TEMP 81 80 79 78 84 88 89 85 82 81 80 79 85 89 90 85 82 81 80 79 86
DEWPT 74 75 75 75 76 76 76 76 76 75 76 76 77 77 78 77 77 77 77 76 77
RH 79 85 88 91 77 68 66 75 82 82 88 91 77 68 68 77 85 88 91 91 75
WIND DIR E E E E E SE SE SE SE E E E E E E E E E E E E
WIND SPD 13 11 10 8 8 9 11 12 13 12 12 13 14 16 14 14 14 16 16 13 13
CLOUDS SC SC CL SC SC FW FW SC B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC
POP 12HR 20 50 50 40 50
QPF 12HR 0.02 0.14 0.24 0.14 0.15
RAIN SHWRS S S S S S S S C C C C C C C C C C C C S
TSTMS S S S S S S
HEAT INDEX 86 85 93 99100 94 89 87 86 96102105 96 90 88 87 97
MAX HEAT 92 86 93 100 99 87 96 105 102 90 97
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 91 79 91 79 91 79 91 79 91
TEMP 91 83 80 86 91 83 80 86 91 83 80 86 91 83 80 86 91 82
DEWPT 77 76 76 76 76 75 76 76 76 76 76 76 76 76 76 77 75 73
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS SC SC B2 B1 SC SC SC SC B1 SC CL FW SC SC SC SC FW SC
POP 12HR 50 50 20 40 40 5 30 30 30
RAIN SHWRS S C C C S S S C C S S S C C C S C
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