528
FOCA52 TJSJ 152103
PFMSJU
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
503 PM AST MON SEP 15 2025
PRZ001-160800-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N 66.00W ELEV. 9 FT
503 PM AST MON SEP 15 2025
DATE 09/15/25 TUE 09/16/25 WED 09/17/25 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 80 90 78 88 78
TEMP 83 81 80 80 86 89 90 85 82 80 79 78 84 87 88 84 81 80 79 78 84
DEWPT 76 77 76 76 76 77 77 77 76 76 76 75 76 77 77 76 75 75 75 75 75
RH 80 88 88 88 72 68 66 77 82 88 91 91 77 72 70 77 82 85 88 91 74
WIND DIR E E E E E E E E E E E E E E E E E E SE SE E
WIND SPD 10 10 10 10 11 14 14 12 11 9 8 6 5 9 13 14 10 8 8 8 8
CLOUDS B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 B1
POP 12HR 50 60 70 70 60
QPF 12HR 0.37 0.73 0.38 1.18 0.43
RAIN SHWRS C C C C C C L L C C C L L L L L L L L L C
TSTMS S S S S S S S S S S S S S S S
HEAT INDEX 91 89 86 86 96102103 95 89 85 93 99100 92 87 84 93
MAX HEAT 96 90 96 103 102 87 93 100 99 86 93
DATE 09/18 FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 89 78 90 78 90 78 89 78 89
TEMP 89 81 79 85 90 82 79 85 90 82 79 84 89 81 79 84 89 81
DEWPT 76 75 75 75 76 75 75 75 76 75 75 75 76 75 75 75 76 75
PWIND DIR E SE E E E SE NE SE E
WIND CHAR GN LT GN LT GN LT LT LT LT
AVG CLOUDS B1 B2 SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC FW SC
POP 12HR 60 30 50 40 30 20 20 20 30
RAIN SHWRS L L C C C C C C C C S S S S S S C C
TSTMS S S S S
PRZ002-160800-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N 65.63W ELEV. 39 FT
503 PM AST MON SEP 15 2025
DATE 09/15/25 TUE 09/16/25 WED 09/17/25 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 80 89 78 88 78
TEMP 83 82 81 80 85 88 89 84 81 80 79 78 84 87 88 84 81 80 79 78 84
DEWPT 78 77 78 77 78 78 78 77 77 77 77 76 77 78 77 77 76 76 76 76 77
RH 85 85 91 91 80 72 70 80 88 91 94 94 80 75 70 80 85 88 91 94 80
WIND DIR E E E E E E E NE NE NE E E E E E E E E E E E
WIND SPD 12 11 12 12 13 13 12 11 11 10 9 5 4 6 9 10 11 11 11 10 12
CLOUDS B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2 B2 OV
POP 12HR 50 60 70 70 70
QPF 12HR 0.40 0.76 0.43 1.18 0.47
RAIN SHWRS C C C C C C L L L L L L L L L L L L L L L
TSTMS S S S S S S S S S S S S S S S S
HEAT INDEX 93 89 88 87 97102103 94 89 85 93100100 93 87 84 93
MAX HEAT 98 91 97 103 102 88 93 101 99 86 93
DATE 09/18 FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 79 90 79 89 79 89 79 89
TEMP 88 82 79 85 90 82 80 85 89 82 80 85 89 82 80 85 89 82
DEWPT 77 76 76 77 77 76 76 77 76 76 76 77 76 76 76 76 76 76
PWIND DIR E E E E E NE NE S SE
WIND CHAR GN LT GN GN LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 70 60 40 40 40 30 30 30 30
RAIN SHWRS L L L L C C C C C S S C C C C C C C
TSTMS S S S S
PRZ007-160800-
MERCEDITA AIRPORT-PONCE PR
18.02N 66.56W ELEV. 26 FT
503 PM AST MON SEP 15 2025
DATE 09/15/25 TUE 09/16/25 WED 09/17/25 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 92 76 90 76
TEMP 81 79 78 77 86 91 92 85 81 79 77 76 84 89 90 84 80 78 77 76 84
DEWPT 76 76 75 74 76 78 78 78 76 76 74 74 76 78 79 78 76 75 74 73 76
RH 85 91 91 90 72 66 64 80 85 91 90 94 77 70 70 82 88 91 90 90 77
WIND DIR E NE NE NE E E E E NE NE NE NE NE E E E E E E E E
WIND SPD 5 4 4 5 5 14 14 12 8 5 4 4 3 10 10 9 8 5 5 5 6
WIND GUST 25 25
CLOUDS B1 FW SC SC FW SC SC SC SC SC SC SC SC SC B2 B2 SC SC SC SC B1
POP 12HR 40 30 30 60 40
QPF 12HR 0.12 0.08 0.08 0.67 0.18
RAIN SHWRS C S S S C S S S S C C C L L C C C C C
TSTMS S S
HEAT INDEX 87 83 96106107 97 87 93103106 95 86 92
MAX HEAT 96 87 96 107 106 85 93 106 105 84 92
DATE 09/18 FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 89 77 90 76 89 76 88 75 89
TEMP 89 81 78 85 90 80 77 84 89 80 77 83 88 79 76 83 89 80
DEWPT 79 76 74 76 79 76 74 75 78 77 73 75 78 76 74 76 78 77
PWIND DIR E E E NE E NE SE NE SE
WIND CHAR GN LT GN LT LT LT LT LT LT
AVG CLOUDS B1 B1 SC SC FW SC FW SC SC SC CL CL FW SC FW FW FW SC
POP 12HR 50 30 40 10 40 0 20 5 10
RAIN SHWRS C C C C C C S S C C S S S S
TSTMS S S
PRZ008-160800-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N 67.13W ELEV. 237 FT
503 PM AST MON SEP 15 2025
DATE 09/15/25 TUE 09/16/25 WED 09/17/25 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 89 77 88 75
TEMP 81 79 78 77 84 88 89 84 81 79 78 77 83 87 88 82 79 77 76 75 83
DEWPT 76 76 76 74 76 77 77 76 76 76 75 74 76 77 77 75 74 74 74 73 75
RH 85 91 94 90 77 70 68 77 85 91 91 90 80 72 70 79 85 90 94 94 77
WIND DIR E E E E E E E E E E E E E E E E E E E E E
WIND SPD 13 14 13 14 17 16 18 17 19 17 13 12 12 14 9 3 5 8 8 5 4
CLOUDS SC SC FW SC CL SC B1 B2 SC SC SC SC SC SC OV OV B2 B2 B2 B2 SC
POP 12HR 30 50 20 80 60
QPF 12HR 0.02 0.41 0.06 1.09 0.39
RAIN SHWRS S C S S C C S S S S S S D D L L L L S
TSTMS S S S S S S S
HEAT INDEX 87 93100101 93 87 92 99100 89 90
MAX HEAT 92 85 93 102 101 85 92 101 98 90
DATE 09/18 FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 87 76 88 76 88
TEMP 88 80 77 83 88 80 77 82 87 79 77 83 88 80 77 83 88 80
DEWPT 76 74 74 74 76 75 74 74 76 75 74 75 76 75 75 75 76 74
PWIND DIR E E NE E NE E NE E NE
WIND CHAR LT LT LT LT LT GN LT LT GN
AVG CLOUDS SC B2 SC SC B1 B1 SC SC SC SC FW FW SC FW FW FW FW SC
POP 12HR 70 30 50 20 20 5 10 0 20
RAIN SHWRS L L C C C C S S S S S S S S S
TSTMS S S S S
PRZ010-160800-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N 67.15W ELEV. 28 FT
503 PM AST MON SEP 15 2025
DATE 09/15/25 TUE 09/16/25 WED 09/17/25 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 92 74 90 75
TEMP 80 78 76 76 85 90 92 84 79 77 75 74 83 89 90 84 80 77 76 76 85
DEWPT 77 76 75 75 77 78 79 77 77 76 75 74 76 78 79 77 76 75 74 74 75
RH 91 94 97 97 77 68 66 80 94 97100100 80 70 70 80 88 94 94 94 72
WIND DIR E E NE NE E E NE NE E NE NE E NE E E E E E E E E
WIND SPD 2 4 4 6 8 3 3 8 8 11 9 10 8 3 5 3 5 4 5 4 4
CLOUDS SC CL CL FW CL FW B2 OV SC SC SC SC FW FW OV OV B1 B1 B1 B1 SC
POP 12HR 20 70 30 80 40
QPF 12HR 0.02 1.30 0.12 1.03 0.18
RAIN SHWRS S L L C S C S D D C C C C S
TSTMS S S S S
HEAT INDEX 87 95105109 94 84 92102106 93 84 93
MAX HEAT 96 83 95 109 106 92 106 104 93
DATE 09/18 FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 74 93 74 92 75 92 75 94
TEMP 92 79 75 85 93 80 75 84 92 80 76 85 92 80 76 86 94 81
DEWPT 79 76 75 75 78 76 75 76 78 76 75 76 78 76 75 76 79 77
PWIND DIR SE E SE E S E W E S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B2 SC SC B1 B2 SC FW SC B1 CL CL FW SC CL CL FW SC
POP 12HR 70 30 70 10 60 0 40 0 40
RAIN SHWRS L L C C L L S S L L C C C C
TSTMS S S S S S S
VIZ001-160800-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N 64.97W ELEV. 23 FT
503 PM AST MON SEP 15 2025
DATE 09/15/25 TUE 09/16/25 WED 09/17/25 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 83 90 80 90 81
TEMP 85 84 83 83 87 89 90 86 83 82 81 80 86 89 90 86 84 82 81 81 86
DEWPT 78 78 78 78 78 78 78 78 78 79 78 77 78 78 77 77 77 77 77 77 77
RH 80 82 85 85 75 70 68 77 85 91 91 91 77 70 66 75 80 85 88 88 75
WIND DIR E E E E E E E E E E E E E E E E E E E E E
WIND SPD 18 19 20 19 19 17 14 14 16 16 13 9 9 11 13 17 19 19 18 17 18
CLOUDS SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV
POP 12HR 40 60 70 70 70
QPF 12HR 0.32 0.56 0.43 1.20 0.54
RAIN SHWRS C C C C C C C C L L L L L L L L L L L L L
TSTMS S S S S S S S S S S S S S S S S
HEAT INDEX 97 95 94 93100104104 98 93 91 88 87 98103103 97 93 91 89 89 98
MAX HEAT 101 98 100 105 104 92 98 104 102 92 98
DATE 09/18 FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 82 91 82 90 83 89 83 89
TEMP 90 84 82 87 91 85 82 87 90 85 83 86 89 85 83 86 89 84
DEWPT 77 77 77 77 77 77 77 77 76 76 76 76 76 76 76 76 76 76
PWIND DIR E E E E E NE NE E SE
WIND CHAR BZ GN GN GN GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B1 SC SC B1 SC SC SC SC SC SC SC SC SC
POP 12HR 70 50 50 40 40 30 30 30 30
RAIN SHWRS L C C C C C S C C C C C S C C C C C
TSTMS S S S S S S
VIZ002-160800-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N 64.80W ELEV. 74 FT
503 PM AST MON SEP 15 2025
DATE 09/15/25 TUE 09/16/25 WED 09/17/25 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 90 77 90 77
TEMP 82 80 79 78 85 89 90 84 81 79 78 77 85 89 90 84 81 79 78 77 85
DEWPT 77 77 77 77 78 78 78 77 77 76 76 76 77 77 77 76 76 76 76 76 77
RH 85 91 94 97 80 70 68 80 88 91 94 97 77 68 66 77 85 91 94 97 77
WIND DIR E E E E E E E NE NE E E E E E E E E E E E E
WIND SPD 14 16 17 17 17 16 14 13 12 12 9 6 9 10 11 9 11 14 12 13 16
CLOUDS SC B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV B2
POP 12HR 50 60 70 70 70
QPF 12HR 0.30 0.56 0.43 1.20 0.51
RAIN SHWRS S C C C C C C C L L L L L L L L L L L L C
TSTMS S S S S S S S S S S S S S S S S
HEAT INDEX 90 87 97103104 95 88 83 95101103 94 87 83 95
MAX HEAT 97 89 97 105 103 87 95 103 102 86 95
DATE 09/18 FRI 09/19/25 SAT 09/20/25 SUN 09/21/25 MON 09/22/25
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 78 91 78 90 78 90 78 90
TEMP 90 82 79 86 91 82 79 85 90 82 79 85 90 82 79 85 90 82
DEWPT 77 76 76 77 77 76 75 77 76 75 76 76 76 76 75 76 76 75
PWIND DIR E E E E E NE E E SE
WIND CHAR BZ GN GN GN GN LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 50 50 50 30 30 20 20 20 20
RAIN SHWRS C C C C C C S C C C S S S S S S S S
TSTMS S S S S S S
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page