GMZ400-052000-
125 AM CST Thu Mar 5 2026
.Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote
Blanche Bays...
Warm, moist air as and will continue to funnel over cool nearshore
waters, resulting in this prolonged period of dense marine fog. An
advisory is in effect until 12 PM Thursday when a period of elevated
winds should help to improve conditions. Further advisories will
come as needed. Friday starts a period of active weather as a series
of upper disturbances push a stationary surface front towards the
north Gulf. From Saturday thru the start of next week, expect
periods of showers and thunderstorms as well as increasing onshore
winds in response.
$$
GMZ450-052000-
Coastal waters from Cameron LA to High Island TX out 20 NM-
125 AM CST Thu Mar 5 2026
DENSE FOG ADVISORY IN EFFECT UNTIL NOON CST TODAY
TODAY
Southeast winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds. Areas of dense fog early
this morning, then patchy dense fog late this morning and early
afternoon.
TONIGHT
Southeast winds around 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 4 seconds. Patchy fog after
midnight.
FRIDAY
Southeast winds around 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 4 seconds. Patchy fog in the morning.
A chance of showers and thunderstorms in the afternoon.
FRIDAY NIGHT
Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 3 feet at 5 seconds. A slight chance of showers and
thunderstorms in the evening.
SATURDAY
Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers and thunderstorms in the morning, then showers likely
with a chance of thunderstorms in the afternoon.
SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 6 seconds. Showers
likely with a chance of thunderstorms in the evening, then a
chance of showers after midnight.
SUNDAY
East winds 5 to 10 knots. Seas around 2 feet. Showers
likely.
SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers in the evening.
MONDAY
Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas around 2 feet. A slight chance of
showers.
MONDAY NIGHT
Southeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 2 to 4 feet.
Winds and seas higher in and near thunderstorms.
$$
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