278
FOCA52 TJSJ 170632
PFMSJU
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
232 AM AST TUE MAR 17 2026
PRZ001-172000-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N 66.00W ELEV. 9 FT
232 AM AST TUE MAR 17 2026
DATE TUE 03/17/26 WED 03/18/26 THU 03/19/26
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 72 86 72 86
TEMP 73 79 84 86 81 77 75 73 72 79 84 86 81 77 75 73 72 79 84 86 80 76
DEWPT 68 66 67 67 68 69 69 68 68 68 67 67 67 68 68 68 68 69 68 68 68 69
RH 84 64 57 53 65 76 82 84 87 69 57 53 63 74 79 84 87 72 59 55 67 79
WIND DIR E E E E E E E E E E E E E E E E E E E E SE SE
WIND SPD 14 16 18 18 14 11 10 10 9 12 16 16 14 10 8 6 8 9 14 17 12 8
CLOUDS SC SC SC SC SC SC B2 SC B1 B2 B1 B1 SC SC SC FW FW B2 B2 SC SC SC
POP 12HR 30 50 50 50 50
QPF 12HR 0.12 0.25 0.14 0.08 0.19
RAIN SHWRS C C C C S S C C C C C C C S S C C C C C
HEAT INDEX 81 87 89 84 87 89 84 87 90 83
MAX HEAT 81 89 88 89 88 90 89
DATE FRI 03/20/26 SAT 03/21/26 SUN 03/22/26 MON 03/23/26
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 70 88 71 87 71 84 71 85
TEMP 71 79 88 77 72 79 87 77 72 77 84 76 72 78 85 76
DEWPT 68 68 68 69 69 68 68 69 69 68 69 69 69 68 68 69
PWIND DIR SE SE S SE SE NE NE NE
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC SC B1 SC SC B1 B2 B2 B2 B2 B1 B1 B1 B1 SC
POP 12HR 30 40 30 70 60 60 50 50
RAIN SHWRS C C C C S C L L C L L C C C C S
TSTMS S S S S
PRZ002-172000-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N 65.63W ELEV. 39 FT
232 AM AST TUE MAR 17 2026
DATE TUE 03/17/26 WED 03/18/26 THU 03/19/26
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 84 72 84
TEMP 74 79 83 84 80 77 75 74 73 78 83 84 80 76 74 73 72 78 82 84 80 76
DEWPT 68 68 69 70 70 70 70 69 68 69 69 69 69 68 69 69 69 70 70 70 70 69
RH 82 69 63 63 72 79 84 84 84 74 63 61 69 76 84 87 90 76 67 63 72 79
WIND DIR E E E E E E E E E E E E E E E E E E E E E E
WIND SPD 19 18 18 16 14 14 14 14 14 16 17 13 13 12 10 10 10 11 13 12 11 10
CLOUDS B1 B1 SC B1 SC B1 B2 B2 B2 B2 B2 SC B1 SC SC SC SC B2 B2 B1 B1 B1
POP 12HR 40 50 50 60 60
QPF 12HR 0.17 0.31 0.17 0.19 0.36
RAIN SHWRS C C C C C C C C C C C C C S S S S L L C C C
HEAT INDEX 86 88 83 86 88 83 86 88 83
MAX HEAT 88 88 88 87 88 88
DATE FRI 03/20/26 SAT 03/21/26 SUN 03/22/26 MON 03/23/26
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 72 85 72 84 71 84 72 84
TEMP 73 78 85 77 73 78 84 76 72 77 84 76 73 78 84 76
DEWPT 69 70 70 69 69 70 70 70 69 70 70 70 69 70 70 69
PWIND DIR SE SE S S NE NE NE NE
WIND CHAR GN GN LT LT LT GN GN GN
AVG CLOUDS B1 B1 B1 B1 SC B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC
POP 12HR 40 40 50 50 60 60 40 40
RAIN SHWRS C C C C C C C C C L L C C C C C
TSTMS S S
PRZ007-172000-
MERCEDITA AIRPORT-PONCE PR
18.02N 66.56W ELEV. 26 FT
232 AM AST TUE MAR 17 2026
DATE TUE 03/17/26 WED 03/18/26 THU 03/19/26
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 71 86 70 85
TEMP 70 78 84 86 81 76 74 72 71 78 84 86 80 76 73 71 70 77 83 85 79 75
DEWPT 63 64 60 65 65 65 65 65 65 64 63 63 65 66 65 64 63 65 66 66 67 68
RH 78 62 44 50 58 69 74 79 81 62 49 46 60 71 76 79 78 67 57 53 67 79
WIND DIR E E E SE E E NE E NE E E SE E E NE NE NE E E SE E E
WIND SPD 9 13 18 17 14 8 6 5 5 8 16 17 13 9 5 3 4 9 12 11 9 6
WIND GUST 31 28 25 26 29
CLOUDS SC SC FW SC FW SC CL CL SC SC CL CL CL FW FW CL CL B1 B1 SC SC SC
POP 12HR 10 30 20 40 40
QPF 12HR 0.02 0.06 0.01 0.04 0.11
RAIN SHWRS S S S S S S C S C C S S S
HEAT INDEX 84 88 83 85 87 82 85 87 82
MAX HEAT 88 87 87 87 87 87
DATE FRI 03/20/26 SAT 03/21/26 SUN 03/22/26 MON 03/23/26
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 69 85 69 84 68 84 68 85
TEMP 70 77 85 75 70 76 84 74 69 76 84 74 69 76 85 74
DEWPT 67 67 66 67 65 63 65 67 66 66 68 68 66 65 68 69
PWIND DIR E SE E SE NE E NE E
WIND CHAR LT LT LT LT LT GN LT GN
AVG CLOUDS SC SC SC SC B2 B1 SC B1 B2 B2 B2 OV OV B2 SC SC
POP 12HR 30 50 50 60 60 70 70 40
RAIN SHWRS S C C C C C S L L L L L L L C C
TSTMS S S S S S S S
PRZ008-172000-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N 67.13W ELEV. 237 FT
232 AM AST TUE MAR 17 2026
DATE TUE 03/17/26 WED 03/18/26 THU 03/19/26
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 71 84 70 83
TEMP 70 77 82 84 79 76 73 72 71 77 82 84 79 75 73 71 70 76 81 83 78 74
DEWPT 64 67 67 69 70 70 68 68 66 68 69 70 71 71 68 67 65 67 69 71 71 71
RH 81 71 61 61 74 82 84 87 84 74 65 63 77 87 84 87 84 74 67 67 79 90
WIND DIR E E E E E E E E E E E E E E E E E E E NE E S
WIND SPD 13 17 13 19 18 14 16 13 12 13 10 16 12 8 8 8 6 6 4 8 6 4
CLOUDS CL SC SC SC FW FW SC CL CL SC FW SC SC SC FW CL CL SC SC OV OV B2
POP 12HR 10 20 30 10 70
QPF 12HR 0.03 0.01 0.23 0.01 0.61
RAIN SHWRS S S S S S S S C C S S S S L L L
HEAT INDEX 85 88 82 86 88 82 84 87
MAX HEAT 88 87 88 88 87 87
DATE FRI 03/20/26 SAT 03/21/26 SUN 03/22/26 MON 03/23/26
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 69 83 69 82 70 81 70 82
TEMP 70 76 83 74 70 75 82 74 71 75 81 74 71 76 82 74
DEWPT 67 67 71 70 69 68 71 70 68 68 71 70 68 68 70 70
PWIND DIR SE S S SW E NE NE NE
WIND CHAR LT GN LT LT LT GN GN GN
AVG CLOUDS B2 B1 SC B1 SC SC SC B1 SC B1 B1 SC B1 B1 B1 B2
POP 12HR 60 50 20 50 40 40 40 50
RAIN SHWRS L L C C S S C C C C C C C C C C
PRZ010-172000-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N 67.15W ELEV. 28 FT
232 AM AST TUE MAR 17 2026
DATE TUE 03/17/26 WED 03/18/26 THU 03/19/26
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 69 90 67 89
TEMP 68 79 87 90 83 77 73 70 69 79 87 90 82 75 71 69 67 78 86 89 82 76
DEWPT 66 67 68 68 69 69 68 68 67 67 69 70 70 70 68 67 66 67 70 71 71 70
RH 93 67 53 49 63 76 84 93 93 67 55 52 67 84 90 93 97 69 59 56 69 82
WIND DIR E E E E SE E E E E E E SE SW E E E E E SE SE SE SE
WIND SPD 5 6 2 3 3 4 6 6 4 4 2 8 4 6 8 6 4 4 3 2 5 8
CLOUDS CL CL CL SC FW CL CL CL CL FW CL B2 B2 FW FW CL CL SC SC B2 B2 SC
POP 12HR 20 0 60 10 50
QPF 12HR 0.03 0 0.43 0.01 0.22
RAIN SHWRS S C L S S C C C
HEAT INDEX 91 94 86 81 91 96 86 91 95 86
MAX HEAT 94 93 81 96 94 95 94
DATE FRI 03/20/26 SAT 03/21/26 SUN 03/22/26 MON 03/23/26
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 68 89 69 86 68 87 68 88
TEMP 69 78 89 76 70 77 86 74 69 77 87 75 69 78 88 75
DEWPT 68 68 71 70 68 69 72 70 68 69 72 70 68 68 71 70
PWIND DIR SE SE SE S E NE NE NE
WIND CHAR LT GN LT LT LT LT GN LT
AVG CLOUDS SC SC SC B1 SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 B2
POP 12HR 30 40 20 50 40 60 50 70
RAIN SHWRS C C C C S S C C C C L L C C L L
TSTMS S S S S
VIZ001-172000-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N 64.97W ELEV. 23 FT
232 AM AST TUE MAR 17 2026
DATE TUE 03/17/26 WED 03/18/26 THU 03/19/26
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 76 86 76 86
TEMP 76 81 85 86 83 80 78 77 76 81 85 86 83 80 78 77 76 81 85 86 83 80
DEWPT 68 68 69 70 70 71 70 69 69 70 69 69 70 70 70 70 70 70 70 70 70 70
RH 76 65 59 59 65 74 76 76 79 69 59 57 65 72 76 79 82 69 61 59 65 72
WIND DIR E E E E E E E E E E E E E E E E E E E E E E
WIND SPD 25 23 21 20 20 21 23 20 20 19 19 18 17 16 17 17 16 17 17 16 16 14
WIND GUST 36 33 32
CLOUDS SC SC SC SC SC SC SC SC FW B1 SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR 30 40 40 30 40
QPF 12HR 0.11 0.12 0.12 0.11 0.08
RAIN SHWRS C C S S C C S C C S C S S S C C S S C C C
HEAT INDEX 84 89 91 87 83 84 89 90 86 82 84 89 91 86 83
MAX HEAT 84 91 90 84 90 90 84 91 90
DATE FRI 03/20/26 SAT 03/21/26 SUN 03/22/26 MON 03/23/26
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 76 85 76 85
TEMP 77 81 86 80 77 81 86 80 77 80 85 79 77 80 85 79
DEWPT 70 71 70 70 70 71 70 70 70 71 70 70 70 70 70 70
PWIND DIR E SE S S SE NE NE NE
WIND CHAR GN GN LT GN GN GN GN GN
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC B1 B1 SC
POP 12HR 40 40 40 40 60 60 50 50
RAIN SHWRS C C C C C C C C C L L C C C C C
TSTMS S S
VIZ002-172000-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N 64.80W ELEV. 74 FT
232 AM AST TUE MAR 17 2026
DATE TUE 03/17/26 WED 03/18/26 THU 03/19/26
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 72 85 72 85
TEMP 73 79 83 85 80 77 74 73 72 78 83 85 80 77 74 73 72 78 83 85 80 77
DEWPT 68 68 69 69 69 70 70 69 68 68 68 69 68 69 69 69 69 69 70 70 69 69
RH 84 69 63 59 69 79 87 87 87 71 61 59 67 76 84 87 90 74 65 61 69 76
WIND DIR E E E E E E E E E E E E E E E E E E E E E E
WIND SPD 23 20 20 18 18 18 19 19 18 18 17 19 16 14 14 14 14 16 17 14 13 12
WIND GUST 33
CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC B1
POP 12HR 30 30 20 40 40
QPF 12HR 0.10 0.13 0.06 0.09 0.12
RAIN SHWRS C C S S S S C S C S S S S S S S S C C C C C
HEAT INDEX 87 89 83 86 89 83 87 89 83
MAX HEAT 89 88 89 88 89 88
DATE FRI 03/20/26 SAT 03/21/26 SUN 03/22/26 MON 03/23/26
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 72 85 72 85 71 85 71 85
TEMP 73 78 85 77 73 78 85 76 72 78 85 76 72 78 85 76
DEWPT 70 70 70 69 69 70 70 70 69 69 70 70 69 70 70 70
PWIND DIR E SE SE SE E NE NE NE
WIND CHAR GN GN LT GN GN GN GN GN
AVG CLOUDS B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 40 40 30 30 30 30 30 40
RAIN SHWRS C C C C C C S C C C C C S C C C
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