Mazatlan to Banderas Bay Forecast
August 31, 2026, 2:01 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 KARINA NEAR 17.4N 125.1W 950 MB AT 1500 UTC AUG 31
MOVING W OR 275 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 120 KT
GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM N
SEMICIRCLE...80 NM SE QUADRANT AND 70 NM SW QUADRANT. SEAS 4 M
OR GREATER WITHIN 300 NM NE QUADRANT...180 NM SE QUADRANT...210
NM SW QUADRANT...AND 270 NM NW QUADRANT WITH SEAS TO 11 M.
ELSEWHERE WITHIN 21N123W TO 21N127W TO 18N128W TO 14N125W TO
17N122W TO 21N123W WINDS 20 TO 33 KT. SEAS 4 TO 6. REMAINDER OF
WATERS WITHIN 20N117W TO 26N127W TO 25N132W TO 19N133W TO
13N128W TO 11N122W TO 20N117W WINDS 20 KT OR LESS. SEAS 2.5 TO
4 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE KARINA NEAR 18.0N 128.4W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM N SEMICIRCLE AND 70 NM S SEMICIRCLE. SEAS 4 M OR
GREATER 240 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE WITH SEAS TO
10 M. ELSEWHERE WITHIN 20N126W TO 23N128W TO 23N131W TO 21N133W
TO 16N131W TO 17N126W TO 20N126W WINDS TO TO 33 KT. SEAS 4 TO 6
M. REMAINDER OF FORECAST WATERS WITHIN 25N126W TO 25N137W TO
18N140W TO 12N130W TO 16N123W TO 25N126W WINDS 20 KT OR LESS.
SEAS 2.5 TO 4 M IN MIXED SWELL. .48 HOUR FORECAST HURRICANE
KARINA NEAR 18.8N 132.3W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS
120 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM S
SEMICIRCLE...100 NM NE QUADRANT AND 90 NM NW QUADRANT. SEAS 4 M
OR GREATER 180 NM IN N SEMICIRCLE AND 120 NM IN S SEMICIRCLE WITH
SEAS TO 10 M. ELSEWHERE WITHIN 25N132W TO 24N137W TO 20N136W TO
18N135W TO 17N132W TO 19N130W TO 25N132W WINDS 20 TO 33 KT. SEAS
3 TO 6 M. REMAINDER OF FORECAST WATERS WITHIN 20N126W TO 25N130W
TO 26N140W TO 12N140W TO 12N127W TO 20N126W WINDS 20 KT OR LESS.
SEAS 2.5 TO 4.5 M IN MIXED SWELL.
...STORM WARNING...
.LOW PRESSURE NEAR 12N108W 1008 MB LOW. WITHIN 15N104W TO
17N107W TO 16N110W TO 14N111W TO 10N110W TO 11N106W TO 15N104W WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...
NEAR 13N110W 1003 MB. WITHIN 13N108W TO 14N109W TO 13N110W TO
12N109W TO 12N108W TO 13N108W WINDS 20 TO 35 KT. SEAS 4 TO 4.5 M.
ELSEWHERE WITHIN 17N105W TO 18N110W TO 15N112W TO 10N111W TO
09N109W TO 11N105W TO 17N105W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M
IN MIXED SWELL.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL
CYCLONE...14N110W 995 MB. FROM FROM 13N TO 15N BETWEEN 108W AND
110W WINDS 30 TO 45 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE WITHIN
16N106W TO 19N107W TO 19N111W TO 16N114W TO 10N112W TO 11N106W TO
16N106W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN MIXED SEAS.
.30 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL
CYCLONE...15N111W 990 MB. WITHIN 15N109.5W TO 15N110W TO
15N110.5W TO 14N110.5W TO 14N110W TO 15N109.5W WINDS 40 TO 50 KT.
SEAS 4.5 TO 5.5 M. ELSEWHERE WITHIN 15N109W TO 16N111W TO
15N111W TO 14N111W TO 13N110W TO 14N109W TO 15N109W WINDS 30 TO
40 KT. SEAS 3.5 TO 4.5 M. REMAINDER OF AREA WITHIN 17N106W TO
20N111W TO 19N114W TO 15N115W TO 10N110W TO 10N107W TO 17N106W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN MIXED SEAS.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL
CYCLONE...16N112W 990 MB. WITHIN 17N112W TO 17N113W TO 16N113W
TO 16N112W TO 17N112W WINDS 40 TO 50 KT. SEAS 6.0 TO 6.5 M.
ELSEWHERE WITHIN 17N111W TO 18N112W TO 17N113W TO 16N113W TO
15N112W TO 16N111W TO 17N111W WINDS 30 TO 40 KT. SEAS 4.0 TO 5.5
M. REMAINDER OF AREA WITHIN 20N106W TO 22N109W TO 20N116W TO
17N117W TO 11N111W TO 14N106W TO 20N106W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M.
A 1008 MB LOW AT 12N109W, DESIGNATED INVEST EP95, HAS PEAK WINDS
OVER THE MEXICAN OFFSHORE ZONES ARE 25 KT AND SEAS TO 9 FT.
ELSEWHERE, WINDS ARE MODERATE OR WEAKER WITH SEAS 5-7 FT OVER
PACIFIC WATERS AND 1-3 FT OVER THE GULF OF CALIFORNIA. SCATTERED
MODERATE AND ISOLATED STRONG CONVECTION IS NOTED FROM 05N-16N
BETWEEN 89W-98W.
FOR THE FORECAST, INVEST EP95 IS EXPECTED TO DEVELOP INTO A
TROPICAL CYCLONE LATER TODAY OR TONIGHT WHILE IT MOVES STEADILY
TOWARD THE NORTHWEST. BECAUSE OF THIS SYSTEM, A STORM WARNING HAS
BEEN ISSUED FOR THE ZONE NEAR THE REVILLAGIGEDO ISLANDS. HIGHEST
WINDS AND LARGEST SEAS SHOULD OCCUR WED AND THU. WHILE THE CORE
OF THE SYSTEM MAY STAY OUTSIDE OF THE ZONES WEST OF BAJA
CALIFORNIA SUR, FRESH TO NEAR GALE CONDITIONS AND LARGE SWELL ARE
LIKELY TO OCCUR IN THESE OFFSHORE ZONES ON THU AND FRI.
ELSEWHERE, FRESH S TO SE WINDS MAY OCCUR IN THE NORTHERN GULF OF
CALIFORNIA ON THU AND FRI.
HURRICANE KARINA IS CENTERED NEAR 17.4N 125.1W AT 31/1500 UTC,
MOVING WEST AT 8 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 950
MB. MAXIMUM SUSTAINED WIND SPEED IS 120 KT WITH GUSTS TO 145 KT
PEAK SEAS ARE AROUND 35 FT. NUMEROUS MODERATE TO SCATTERED
STRONG CONVECTION IS NOTED FROM 15N-19N BETWEEN 121W-129W. THIS
MOTION IS EXPECTED TO CONTINUE THROUGH THE REST OF TODAY. A TURN
TOWARD THE WEST-NORTHWEST IS FORECAST ON TUESDAY. KARINA IS A
CATEGORY 4 HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE.
FLUCTUATIONS IN INTENSITY REMAIN POSSIBLE TODAY, AND A GRADUAL
WEAKENING TREND IS EXPECTED TO BEGIN ON TUESDAY. SWELLS GENERATED
BY KARINA WILL AFFECT PORTIONS OF THE COAST OF SOUTHWEST MEXICO
AND THE BAJA CALIFORNIA PENINSULA FOR THE NEXT COUPLE OF DAYS AND
WILL LIKELY SPREAD NORTHWARD TO SOUTHERN CALIFORNIA ON MONDAY
THROUGH MIDWEEK. THESE SWELLS ARE LIKELY TO CAUSE LIFE-
THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT
PRODUCTS FROM YOUR LOCAL WEATHER OFFICE.
PLEASE READ THE LATEST HIGH SEAS FORECAST ISSUED BY THE NATIONAL
HURRICANE CENTER AT WEBSITE -
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML AND THE LATEST
KARINA NHC FORECAST/ADVISORY AND PUBLIC ADVISORY AT
WWW.HURRICANES.GOV FOR MORE DETAILS.
WELL OFFSHORE OF SOUTHWESTERN MEXICO (EP95):
A 1008 MB LOW AT 12N109W, DESIGNATED INVEST EP95, IS EXPECTED TO
DEVELOP INTO A TROPICAL CYCLONE LATER TODAY OR TONIGHT WHILE IT
MOVES STEADILY TOWARD THE NORTHWEST. NUMEROUS MODERATE AND
SCATTERED STRONG CONVECTION IS OCCURRING FROM 06N-13N BETWEEN
105W-112W. PEAK WINDS ARE CURRENTLY 30 KT AND LARGEST SEAS 11 FT.
BECAUSE OF THIS SYSTEM, A STORM WARNING HAS BEEN ISSUED FOR THE
ZONE NEAR THE REVILLAGIGEDO ISLANDS. HIGHEST WINDS AND LARGEST
SEAS SHOULD OCCUR WED AND THU. WHILE THE CORE OF THE SYSTEM MAY
STAY OUTSIDE OF THE ZONES WEST OF BAJA CALIFORNIA SUR, FRESH TO
NEAR GALE CONDITIONS AND LARGE SWELL ARE LIKELY TO OCCUR IN THESE
OFFSHORE ZONES ON THU AND FRI. PLEASE READ THE LATEST HIGH SEAS
FORECAST ISSUED BY THE NATIONAL HURRICANE CENTER AT WEBSITE -
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML AND THE LATEST NHC
TROPICAL WEATHER OUTLOOK AT WWW.HURRICANES.GOV FOR MORE DETAILS.
SHORT-TERM MAZATLAN TO BAHIA BANDERAS
TODAY - Error: 1002 - no data
TONITE - Error: 1002 - no data
TUESDAY - Error: 1002 - no data
TUESDAY NIGHT - Error: 1002 - no data
LONG-TERM MAZATLAN TO BAHIA BANDERAS
WEDNESDAY - Error: 1002 - no data
THURSDAY - Error: 1002 - no data
FRIDAY - Error: 1002 - no data
SATURDAY - Error: 1002 - no data
SUNDAY - Error: 1002 - no data