Mazatlan to Banderas Bay Forecast
September 14, 2026, 8:00 pm (UTC: -05:00)
Subject: Mazatlan to Banderas Bay Forecast
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This forecast has not been reviewed. It was generated from an automatic model.
.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM NORBERT NEAR 19.7N 139.2W 1005 MB AT 2100 UTC
SEP 14 MOVING W OR 280 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 35
KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 120 NM NE QUADRANT. SEAS 4 M OR GREATER WITHIN 0 NM S
SEMICIRCLE...90 NM NE QUADRANT AND 75 NM NW QUADRANT WITH SEAS TO
5.5 M. WITHIN 26N134W TO 27N139W TO 25N140W TO 18N140W TO
19N135W TO 21N132W TO 26N134W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5
M.
.12 HOUR FORECAST TROPICAL DEPRESSION NORBERT NEAR 20.0N
141.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW NORBERT W OF AREA NEAR
20.2N 143.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER
FORECAST WATERS WITHIN 25N134W TO 26N140W TO 19N140W TO 18N136W
TO 21N133W TO 25N134W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW NORBERT NEAR 20.4N
146.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER FORECAST
WATERS CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN
2.5 M.
.48 HOUR FORECAST...DISSIPATED.
...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION FIFTEEN-E NEAR 16.9N 120.5W 1006 MB AT 2100
UTC SEP 14 MOVING W OR 280 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. SEAS 4 M OR GREATER WITHIN 0 NM S
SEMICIRCLE...90 NM NE QUADRANT AND 60 NM NW QUADRANT WITH SEAS
TO 4.5 M.
.12 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 16.7N 121.8W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 16.6N 123.7W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NW AND SE QUADRANTS...50 NM NE QUADRANT AND 0
NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NE QUADRANT...
60 NM SE QUADRANT...75 NM SW QUADRANT AND 90 NM NW QUADRANT WITH
SEAS TO 5.0 M. WITHIN 18N117W TO 21N121W TO 22N125W TO 18N129W
TO 13N125W TO 14N118W TO 18N117W WINDS 20 TO 33 KT. SEAS 2.5 TO
4.5 M.
.48 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 16.4N 127.3W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM NE QUADRANT...10 NM SE QUADRANT...0 NM SW
QUADRANT...AND 30 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 150 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 4.5
M. WITHIN 23N122W TO 24N132W TO 20N136W TO 15N135W TO 13N129W
TO 17N118W TO 23N122W NE TO E WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5
M.
SCATTERED SHOWERS AND TSTMS ARE ACROSS THE SW MEXICAN OFFSHORES
BETWEEN CHIAPAS AND GUERRERO AS WELL AS THE SOUTHERN HALF OF THE
GULF OF CALIFORNIA. MODERTE TO FRESH N TO NE WINDS ARE IN THE
TEHUANTEPEC REGION, WHILE MODERATE EASTERLIES ARE ELSEWHERE FROM
CHIAPAS TO GUERRERO. MODERATE TO FRESH SE WINDS ARE IN THE
NORTHERN HALF OF THE GULF OF CALIFORNIA WHILE NW WINDS OF THE
SAME SPEED ARE N OF PUNTA EUGENIA. SEAS ARE 4 TO 6 FT, EXCEPT 7
TO 8 FT N OF PUNTA EUGENIA, AND 1 TO 3 FT SEAS IN THE GULF OF
CALIFORNIA.
FOR THE FORECAST, A RIDGE WILL BUILD ACROSS THE OFFSHORE WATERS
OF BAJA CALIFORNIA, BRINGING MODERATE TO LOCALLY FRESH NW TO N
WINDS THROUGH THE MIDWEEK. EXPECT FRESH WINDS ACROSS THE
NORTHERN GULF OF CALIFORNIA THROUGH THE EARLY PART OF THE WEEK
DUE TO THE PRESSURE GRADIENT BETWEEN THE RIDGE AND LOWER PRESSURE
OVER THE COLORADO RIVER VALLEY. WINDS WILL FRESHEN AGAIN OFF
BAJA CALIFORNIA BY THE END OF THE WEEK, LOCALLY STRONG NEAR PUNTA
EUGENIA. LOOKING AHEAD, EXPECT STRONG TO NEAR-GALE N GAP WINDS
AND ROUGH SEAS ACROSS THE TEHUANTEPEC BY THE MIDDLE OF THE WEEK.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
DATA NOTE - Using cached forecast from 6 hours ago.
TODAY - WSW 5-6, Seas SW 1-3 ft @ 18sec
TONITE - ESE 2-3, Seas SSW 0-3.2 ft @ 18sec
TUESDAY - SW 5-6, Seas SSW 0.9-3.6 ft @ 17sec
TUESDAY NIGHT - N 6-7, Seas SSW 0-3.8 ft @ 16sec
LONG-TERM MAZATLAN TO BAHIA BANDERAS
WEDNESDAY - NW 9-11, Seas SSW 1.6-4 ft @ 15sec
THURSDAY - NW 12-15, Seas SSW 2-4 ft @ 14sec
FRIDAY - W 10-12, Seas SW 1.2-3.4 ft @ 19sec
SATURDAY - WSW 7-9, Seas SSW 1.8-3.2 ft @ 18sec
SUNDAY - WNW 6-8, Seas SSW 0-2.9 ft @ 17sec