Mazatlan to Banderas Bay Forecast

September 27, 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.

...HURRICANE WARNING...
.HURRICANE POLO NEAR 21.9N 114.1W 951 MB AT 2100 UTC SEP 27
MOVING N OR 355 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 110 KT
GUSTS 135 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM E
SEMICIRCLE AND 80 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 210
NM E SEMICIRCLE...180 NM SW QUADRANT AND 240 NM NW QUADRANT WITH
SEAS TO 12.0 M. ELSEWHERE...WITHIN 23N111W TO 24N115W TO 22N116W
TO 19N116W TO 19N112W TO 21N111W TO 23N111W...INCLUDING WITHIN
60 NM OF SHORE...WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. REMAINDER
OF AREA...WITHIN 23N109W TO 27N118W TO 22N119W TO 13N115W TO
13N110W TO 18N107W TO 23N109W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.0 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE POLO NEAR 25.0N 113.0W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE. SEAS 4 M OR
GREATER WITHIN 180 NM OF CENTER WITH SEAS TO 11.0 M.
ELSEWHERE...WITHIN 24N111W TO 24N114W TO 28N115W TO 27N117W TO
22N115W TO 23N112W TO 24N111W...INCLUDING WITHIN 60 NM OF
SHORE...WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF
AREA...WITHIN 24N116W TO 27N113W TO 30N120W TO 20N117W TO 20N112W
TO 23N110W TO 24N116W...INCLUDING SEBASTIAN VIZCAINO BAY...WINDS
20 KT OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM POLO INLAND NEAR 29.9N 108.7W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM OF CENTER EXCEPT 40 NM SE QUADRANT. OVER
FORECAST WATERS...WITHIN 27N110W TO 28N111W TO 27N112W TO 25N111W
TO 25N110W TO 26N109W TO 27N110W...INCLUDING THE GULF OF
CALIFORNIA...WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 FT.

...HURRICANE WARNING...
.TROPICAL STORM RACHEL NEAR 12.6N 99.1W 1005 MB AT 2100 UTC SEP
27 MOVING WNW OR 290 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM OF CENTER
EXCEPT 0 NM NW QUADRANT. ELSEWHERE...WITHIN 16N96W TO 16N99W TO
13N101W TO 09N100W TO 09N96W TO 10N95W TO 16N96W WINDS 20 TO 33
KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST TROPICAL STORM RACHEL NEAR 13.9N 101.6W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM E SEMICIRCLE...60 NM SW QUADRANT AND 70 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM OF CENTER WITH SEAS
TO 6.0 M. ELSEWHERE...WITHIN 16N97W TO 17N102W TO 15N104W TO
11N103W TO 11N100W TO 13N97W TO 16N97W WINDS 20 TO 33 KT. SEAS
3.5 TO 4.0 M. REMAINDER OF AREA...WITHIN 14N95W TO 18N102W TO
16N104W TO 11N103W TO 08N99W TO 10N96W TO 14N95W WINDS 20 KT OR
LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE RACHEL NEAR 15.8N 105.0W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM NE QUADRANT...120 NM SE QUADRANT...90 NM SW
QUADRANT...AND 80 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 150
NM OF CENTER WITH SEAS TO 7.5 M. ELSEWHERE...WITHIN 16N100W TO
19N105W TO 16N108W TO 10N106W TO 10N103W TO 14N100W TO
16N100W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 33 KT.
SEAS 3.5 TO 4.0 M. REMAINDER OF AREA...WITHIN 15N97W TO 20N108W
TO 14N109W TO 10N106W TO 11N102W TO 11N98W TO 15N97W WINDS 20 KT
OR LESS. SEAS 2.5 TO 4.0 M IN MIXED SWELL.

...GALE WARNING...
.POST-TROPICAL CYCLONE ODALYS NEAR 22.8N 123.1W 1000 MB AT 2100
UTC SEP 27 MOVING NNE OR 020 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS
40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE
QUADRANT...50 NM SE QUADRANT...70 NM SW QUADRANT...AND 80 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM OF CENTER EXCEPT 150
NM SW QUADRANT WITH SEAS TO 6.0 M. ELSEWHERE...WITHIN 25N121W TO
25N126W TO 22N128W TO 19N125W TO 19N123W TO 22N121W TO 25N121W
WINDS 20 TO 33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA...WITHIN
30N121W TO 30N140W TO 18N140W TO 20N133W TO 17N124W TO 30N121W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW ODALYS NEAR 22.9N
122.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 4 M OR
GREATER WITHIN 60 NM OF CENTER WITH SEAS TO 4.5 M.
ELSEWHERE...WITHIN 23N121W TO 26N123W TO 26N126W TO 24N126W TO
20N125W TO 20N123W TO 23N121W WINDS 20 TO 30 KT. SEAS 3.5 TO 4.0
M. REMAINDER OF AREA...WITHIN 30N121W TO 30N140W TO 21N140W TO
17N129W TO 17N122W TO 30N121W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW ODALYS NEAR 22.5N
122.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 24N123W
TO 25N124W TO 24N126W TO 23N126W TO 22N125W TO 22N123W TO
24N123W WINDS 20 TO 25 KT. SEAS 3.0 TO 4.0 M. ELSEWHERE...WITHIN
30N123W TO 30N140W TO 24N140W TO 19N126W TO 20N121W TO 30N123W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ODALYS NEAR 20.2N
122.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 25N123W
TO 30N118W TO 30N140W TO 23N140W TO 19N130W TO 20N124W TO
25N123W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.

.48 HOUR FORECAST TROPICAL STORM POLO INLAND NEAR 29.9N 108.7W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM OF CENTER EXCEPT 40 NM SE QUADRANT. OVER
FORECAST WATERS...WITHIN 27N110W TO 28N111W TO 27N112W TO 25N111W
TO 25N110W TO 26N109W TO 27N110W...INCLUDING THE GULF OF
CALIFORNIA...WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 FT.

THE IMPACTS FROM THESE FEATURES ENCOMPASS MUCH OF THE BASIN.
ELSEWHERE, GENTLE TO MODERATE NORTHWEST TO NORTH WINDS ARE
OFFSHORE THE BAJA CALIFORNIA PENINSULA AND LIGHT TO GENTLE WINDS
ELSEWHERE OVER THE MEXICAN OFFSHORE WATERS. LIGHT TO GENTLE
WINDS ARE IN THE GULF OF CALIFORNIA. MODERATE SEAS REMAIN OVER
THE OFFSHORE WATERS AND THE SOUTHERN GULF OF CALIFORNIA, WITH
SLIGHT SEAS IN THE CENTRAL AND NORTHERN GULF SECTIONS.
MAJOR HURRICANE POLO IS CENTERED NEAR 21.9N 114.1W AT 27/2100 UTC,
MOVING NORTH AT 10 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 951
MB. MAXIMUM SUSTAINED WIND SPEED IS 110 KT WITH GUSTS TO 135 KT.
PEAK SEAS ARE NEAR 40 FT (12 M). NUMEROUS MODERATE TO SCATTERED
STRONG CONVECTION IS WITHIN 120 NM OF THE CENTER. POLO IS
EXPECTED TO CONTINUE MOVING NORTHWARD TONIGHT, THEN TURN NE MON.
ON THE FORECAST TRACK, POLO WILL APPROACH THE WEST COAST OF BAJA
CALIFORNIA SUR MON, MOVE ACROSS THE PENINSULA MON NIGHT, THEN
APPROACH NW MAINLAND MEXICO BY EARLY TUE. POLO IS A CATEGORY 3 ON
THE SAFFIR-SIMPSON HURRICANE WIND SCALE. FLUCTUATIONS IN
STRENGTH ARE POSSIBLE OVER THE NEXT DAY OR TWO, BUT POLO IS
FORECAST TO REMAIN A STRONG HURRICANE WHEN IT REACHES BAJA
CALIFORNIA SUR MON.
POLO IS EXPECTED TO PRODUCE RAINFALL TOTALS OF 4 TO 8 INCHES
WITH ISOLATED AMOUNTS IN EXCESS OF 12 INCHES ACROSS PORTIONS OF
BAJA CALIFORNIA SUR. THIS RAINFALL MAY PRODUCE LIFE- THREATENING
FLOODING AND MUDSLIDES, ESPECIALLY IN AREAS OF STEEP TERRAIN. FOR
A COMPLETE DEPICTION OF FORECAST RAINFALL ASSOCIATED WITH POLO,
PLEASE SEE THE NATIONAL WEATHER SERVICE STORM TOTAL RAINFALL
GRAPHIC AVAILABLE AT HURRICANES.GOV/GRAPHICS_EP2.SHTML?RAINQPF

SWELLS GENERATED BY POLO WILL CONTINUE AFFECTING THE COAST OF
SOUTHWESTERN MEXICO, WEST-CENTRAL MEXICO, AND BAJA CALIFORNIA SUR
DURING THE NEXT COUPLE OF DAYS. THESE SWELLS WILL SPREAD NORTHWARD
ALONG THE COAST OF THE BAJA CALIFORNIA PENINSULA THROUGH THE
REMAINDER OF THE WEEKEND. THESE SWELLS ARE LIKELY TO CAUSE
LIFE-THREATENING SURF, RIP CURRENTS, AND COASTAL FLOODING. PLEASE
CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.

SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - WNW 7-9, Seas SW 0-5.4 ft @ 12sec
TONITE - NW 5-6, Seas SW 0-5.4 ft @ 12sec
MONDAY - W 6-7, Seas WSW 0-5.2 ft @ 12sec
MONDAY NIGHT - S 10-13, Seas WSW 0-4.9 ft @ 11sec

LONG-TERM MAZATLAN TO BAHIA BANDERAS
TUESDAY - S 12-15, Seas WSW 0-4.8 ft @ 11sec
WEDNESDAY - N 9-11, Seas S 0-4.1 ft @ 13sec
THURSDAY - NNE 7-9, Seas S 0-10.6 ft @ 14sec
FRIDAY - NE 13-16, Seas SSW 0-10.7 ft @ 14sec
SATURDAY - S 32-40, Seas SW 13.8-13.8 ft @ 12sec