Coastal Waters Forecast
Issued by NWS New Orleans/Baton Rouge, LA

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065
FZUS54 KLIX 051726
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1226 PM CDT Fri Sep 5 2025

Pascagoula to Atchafalaya River out to 60 NM

Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.

GMZ500-GMZ501-060600-
1226 PM CDT Fri Sep 5 2025

.SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...

Generally weak easterly to southeasterly flow will continue across
marine areas through the next few days into Saturday. On Sunday, a
front will pass through marine waters introducing gusty winds from
the northeast on the order of 10-15kts for all marine areas, with
gusts up to 20 to 25 knots which will likely reach Small Craft
exercise caution criteria Sunday and Monday, and could briefly touch
Advisory criteria especially early Monday. Waves/seas will respond
to around 2-3ft for protected waters to 3-6ft for outer Gulf waters.
Conditions improve going int on the middle of next week with
progressive easterly flow, albeit still breezy at around 10-15kts
which will keep waves/seas slightly elevated at 1-2ft for protected
waters to 2-4ft for outer Gulf waters.

$$

GMZ530-060600-
Lake Pontchartrain and Lake Maurepas-
1226 PM CDT Fri Sep 5 2025

.THIS AFTERNOON...East winds around 5 knots, increasing to 5 to
10 knots late. Waves 1 to 2 feet.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after
midnight. Waves 1 to 2 feet in the evening, then 1 foot or less.
.SATURDAY...Northwest winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds around 5 knots, becoming north after
midnight. Waves 1 foot or less, then 1 to 2 feet after midnight.
.SUNDAY...Northeast winds 5 to 10 knots. Waves around 2 feet.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Waves 2 to
3 feet.
.MONDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Waves 2 to 3 feet.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY...East winds 5 to 10 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-060600-
Lake Borgne-
1226 PM CDT Fri Sep 5 2025

.THIS AFTERNOON...East winds 5 to 10 knots. Waves 1 foot or less.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south after
midnight. Waves 1 foot or less.
.SATURDAY...Northwest winds around 5 knots, becoming southeast
around 5 knots in the afternoon. Waves 1 foot or less. A slight
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming north
after midnight. Waves 1 foot or less, then around 2 feet after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Waves around 2 feet in the morning, then
1 foot or less.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Waves 2 to 4 feet.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Waves 3 to 4 feet, subsiding to 2 feet in
the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY...East winds 10 to 15 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-060600-
Mississippi Sound-
1226 PM CDT Fri Sep 5 2025

.THIS AFTERNOON...Southeast winds 5 to 10 knots. Waves around
2 feet.
.TONIGHT...Southeast winds 5 to 10 knots, becoming southwest after
midnight. Waves 1 to 2 feet in the evening, then 1 foot or less.
.SATURDAY...Northwest winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less.
.SATURDAY NIGHT...South winds around 5 knots, becoming north after
midnight. Waves 1 foot or less, then around 2 feet after midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY NIGHT...North winds 10 to 15 knots, becoming northeast 15 to
20 knots after midnight. Waves 2 to 4 feet.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Waves 3 to 4 feet, subsiding to 2 feet in
the afternoon.
.MONDAY NIGHT...Northeast winds 5 to 10 knots. Waves 2 to 3 feet.
.TUESDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-060600-
Chandeleur Sound-Breton Sound-
1226 PM CDT Fri Sep 5 2025

.THIS AFTERNOON...Southeast winds 5 to 10 knots. Waves 1 foot or
less.
.TONIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY...North winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming north
after midnight. Waves 1 foot or less, then around 2 feet after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Waves 2 to 3 feet, building to 4 feet after
midnight.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Waves 2 to 4 feet.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Waves around 3 feet. A chance
of showers and thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms, mainly in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-060600-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
1226 PM CDT Fri Sep 5 2025

.THIS AFTERNOON...East winds around 5 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 4 seconds.
.TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 4 seconds.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 4 seconds. A slight chance of showers
and thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...East winds around 5 knots, becoming north after
midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
3 seconds. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 4 feet at 4 seconds. A slight chance of
showers and thunderstorms.
.MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Northeast 5 feet at 5 seconds.
A slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: East 3 feet at 5 seconds. A chance of showers and
thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 6 seconds. Showers likely. A chance of thunderstorms
in the morning, then thunderstorms likely in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 7 seconds. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-060600-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River to
Port Fourchon Louisiana out 20 NM-
1226 PM CDT Fri Sep 5 2025

.THIS AFTERNOON...Southeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 4 seconds.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 4 seconds.
.SATURDAY...Northeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...East winds around 5 knots, becoming north after
midnight. Seas 1 foot or less. Wave Detail: East 1 foot at
4 seconds. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Wave
Detail: Northeast 2 feet at 4 seconds. A slight chance of showers
and thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots after midnight. Seas 1 to 2 feet,
building to 2 to 3 feet after midnight. Wave Detail: Northeast
2 feet at 3 seconds. A slight chance of thunderstorms. A chance of
showers, mainly in the evening.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast
3 feet at 4 seconds. A slight chance of showers and thunderstorms.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 4 seconds. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 4 seconds. A chance of showers. A slight
chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-060600-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
1226 PM CDT Fri Sep 5 2025

.THIS AFTERNOON...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds.
.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet in the
evening, then 1 foot or less. Wave Detail: East 2 feet at 4 seconds,
becoming east 1 foot at 4 seconds. A slight chance of showers and
thunderstorms.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: East 1 foot at
4 seconds, becoming east 2 feet at 4 seconds. A chance of showers
and thunderstorms.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: East 1 foot at
4 seconds, becoming northeast 1 foot at 4 seconds. A slight chance
of showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 4 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: Northeast 4 feet at 4 seconds. A chance of showers. A
slight chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet,
subsiding to 2 to 4 feet, occasionally to 5 feet in the afternoon.
Wave Detail: Northeast 5 feet at 6 seconds, becoming northeast
4 feet at 6 seconds. A chance of showers and thunderstorms.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 5 seconds. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 6 seconds. Showers. A chance of thunderstorms in the
morning, then thunderstorms likely in the afternoon.
.TUESDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 6 seconds.
Showers likely with a chance of thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-060600-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
1226 PM CDT Fri Sep 5 2025

.THIS AFTERNOON...East winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 4 seconds.
.TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 4 seconds. A slight chance of showers and
thunderstorms after midnight.
.SATURDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: East 1 foot at 4 seconds. A slight chance of
showers and thunderstorms.
.SUNDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 4 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 4 seconds. A chance of showers. A
slight chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds.
A chance of showers and thunderstorms.
.MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds.
A chance of showers with a slight chance of thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 5 seconds. Showers likely with a chance of
thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds. Showers likely. A slight chance of
thunderstorms in the evening, then a chance of thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$