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

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FZUS54 KLIX 131338
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
838 AM CDT Sun Jul 13 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-GMZ501-140215-
838 AM CDT Sun Jul 13 2025

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

Quiet marine conditions will continue through the next few days as
high pressure remains overhead or at least nearby. Winds generally
onshore at 10 knots or less with seas under 2 feet. The only
exception would be brief gale force wind gusts from isolated storms.
A broad area of low pressure moving into the northeaster Gulf middle
of next week my induce offshore flow in coastal waters east of the
Mouth of the Mississippi River.

$$

GMZ530-140215-
Lake Pontchartrain and Lake Maurepas-
838 AM CDT Sun Jul 13 2025

.TODAY...South winds around 5 knots, becoming east early this
afternoon, then becoming south around 5 knots late. Waves 1 foot or
less. A chance of showers and thunderstorms this afternoon.
.TONIGHT...Southwest winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms in the evening.
.MONDAY...West winds around 5 knots. Waves 1 foot or less. A chance
of showers and thunderstorms.
.MONDAY NIGHT...West winds around 5 knots. Waves 1 foot or less.
.TUESDAY...West winds around 5 knots. Waves 1 foot or less. A slight
chance of showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...West winds around 5 knots. Waves 1 foot or less.
.WEDNESDAY...Northwest winds around 5 knots, becoming east around
5 knots in the afternoon. Waves 1 foot or less. A slight chance of
showers and thunderstorms in the morning, then a chance of showers
and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Northeast winds around 5 knots, becoming north
after midnight. Waves 1 foot or less. A chance of thunderstorms. A
chance of showers.
.THURSDAY...North winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms likely
in the afternoon.
.THURSDAY NIGHT...Southeast winds around 5 knots, becoming south
after midnight. Waves 1 foot or less. A chance of showers and
thunderstorms in the evening, then a chance of showers with a slight
chance of thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-140215-
Lake Borgne-
838 AM CDT Sun Jul 13 2025

.TODAY...Southwest winds around 5 knots, becoming southeast this
afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms late this morning. A chance of showers and
thunderstorms this afternoon.
.TONIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms in the evening.
.MONDAY...Northwest winds around 5 knots, becoming southwest around
5 knots in the afternoon. Waves 1 foot or less. A chance of showers
and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less.
.TUESDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms likely
in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 5 knots, becoming north
after midnight. Waves 1 foot or less. A chance of thunderstorms. A
chance of showers.
.THURSDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. Showers likely with a chance of
thunderstorms in the morning, then showers and thunderstorms in the
afternoon.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Waves 1 foot or less. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-140215-
Mississippi Sound-
838 AM CDT Sun Jul 13 2025

.TODAY...West winds around 5 knots, becoming south this afternoon.
Waves 1 foot or less, then around 2 feet this afternoon. A slight
chance of showers and thunderstorms this morning. A chance of
showers and thunderstorms early this afternoon, then a slight chance
of showers and thunderstorms late.
.TONIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
.MONDAY...Northwest winds around 5 knots, becoming southwest in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. A chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds around 10 knots, becoming west after
midnight. Waves around 2 feet. A slight chance of showers and
thunderstorms after midnight.
.TUESDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Waves 1 to 2 feet in the morning, then 1 foot or less. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots, becoming northwest after
midnight. Waves around 2 feet. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.WEDNESDAY...North winds 5 to 10 knots, becoming southeast in the
afternoon. Waves 1 to 2 feet in the morning, then 1 foot or less. A
chance of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Waves 1 to 2 feet. A
chance of showers and thunderstorms in the evening, then showers and
thunderstorms likely after midnight.
.THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in the
afternoon. Waves around 2 feet. Showers likely with a chance of
thunderstorms in the morning, then showers and thunderstorms in the
afternoon.
.THURSDAY NIGHT...South winds around 10 knots. Waves around 2 feet.
A chance of thunderstorms. A chance of showers in the evening, then
showers likely after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-140215-
Chandeleur Sound-Breton Sound-
838 AM CDT Sun Jul 13 2025

.TODAY...Southwest winds around 5 knots, becoming south this
afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms early this morning, then a chance of showers and
thunderstorms late this morning and afternoon.
.TONIGHT...Southwest winds 5 to 10 knots. Waves 1 to 2 feet.
.MONDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.MONDAY NIGHT...West winds 5 to 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms after midnight.
.TUESDAY...Northwest winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less. A chance of showers and thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.WEDNESDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Waves around 2 feet in the morning, then 1 foot or less.
Showers and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming northeast
after midnight. Waves 1 to 2 feet. A chance of showers and
thunderstorms in the evening, then showers and thunderstorms likely
after midnight.
.THURSDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves around 2 feet. Thunderstorms likely. Showers.
.THURSDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Waves around 2 feet. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-140215-
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-
838 AM CDT Sun Jul 13 2025

.TODAY...South winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. A chance of showers and
thunderstorms until late afternoon, then a slight chance of showers
and thunderstorms late.
.TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: South 1 foot at
5 seconds, becoming south 1 foot at 4 seconds.
.MONDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds and southeast 1 foot at 5 seconds.
Showers likely with a chance of thunderstorms in the morning, then a
slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds
and southeast 1 foot at 5 seconds, becoming west 1 foot at 3 seconds
and south 1 foot at 5 seconds. A chance of showers and thunderstorms
after midnight.
.TUESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds and southeast 1 foot at 5 seconds, becoming northwest
1 foot at 3 seconds. Showers likely with a chance of thunderstorms
in the morning, then a slight chance of showers and thunderstorms in
the afternoon.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: West 1 foot at
3 seconds, becoming northwest 1 foot at 3 seconds. A slight chance
of showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.WEDNESDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Seas around 2 feet. Wave Detail: North 1 foot at
4 seconds. Showers and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...East 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 east 2 feet at 4 seconds. A chance of showers
and thunderstorms in the evening, then showers and thunderstorms
likely after midnight.
.THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
5 seconds. Thunderstorms likely. Showers.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 6 seconds. A chance of thunderstorms. A
chance of showers in the evening, then showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-140215-
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-
838 AM CDT Sun Jul 13 2025

.TODAY...South winds around 5 knots. Seas 1 to 2 feet. Wave Detail:
South 2 feet at 4 seconds. A chance of showers and thunderstorms
this morning, then showers and thunderstorms likely this afternoon.
.TONIGHT...South winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 5 seconds. A chance of showers and
thunderstorms, mainly in the evening.
.MONDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 5 seconds. Showers and thunderstorms likely,
mainly in the morning.
.MONDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 5 seconds. A slight chance of showers and
thunderstorms after midnight.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds and south 1 foot at 5 seconds. A
chance of thunderstorms. Showers likely, mainly in the morning.
.TUESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 5 seconds. A chance of showers and
thunderstorms after midnight.
.WEDNESDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds. Showers and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...Southeast winds around 5 knots, becoming north
after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at
2 seconds and southwest 1 foot at 4 seconds. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.THURSDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
2 seconds and northwest 1 foot at 3 seconds. Thunderstorms likely.
Showers.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then 1 to 2 feet after midnight. Wave Detail: Southeast 1 foot at
3 seconds, becoming south 1 foot at 3 seconds. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-140215-
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-
838 AM CDT Sun Jul 13 2025

.TODAY...South winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 5 seconds. A slight chance of showers and
thunderstorms early this morning, then a chance of showers and
thunderstorms late this morning and afternoon.
.TONIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 5 seconds.
.MONDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 4 seconds and southeast 1 foot at 5 seconds.
Showers likely with a chance of thunderstorms in the morning, then a
chance of showers with a slight chance of thunderstorms in the
afternoon.
.MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: West 1 foot at 4 seconds
and southeast 1 foot at 5 seconds, becoming west 1 foot at 3 seconds
and south 1 foot at 5 seconds. A chance of showers and thunderstorms
after midnight.
.TUESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and south 1 foot at 5 seconds.
Showers likely with a chance of thunderstorms in the morning, then a
slight chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: Northwest 1 foot at
4 seconds and south 1 foot at 9 seconds, becoming north 1 foot at
3 seconds and south 1 foot at 8 seconds. A slight chance of showers
and thunderstorms in the evening, then showers likely with a chance
of thunderstorms after midnight.
.WEDNESDAY...North winds around 10 knots, becoming northeast in the
afternoon. Seas around 2 feet. Wave Detail: North 2 feet at
5 seconds. Showers with thunderstorms likely in the morning, then a
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 5 seconds and west 1 foot at 4 seconds.
A chance of thunderstorms. A chance of showers in the evening, then
showers after midnight.
.THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
5 seconds. Showers with thunderstorms likely in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 6 seconds. A chance of thunderstorms. A
chance of showers in the evening, then showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-140215-
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-
838 AM CDT Sun Jul 13 2025

.TODAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
South 2 feet at 5 seconds. A chance of showers and thunderstorms
this morning. Showers and thunderstorms likely early this afternoon,
then a chance of showers and thunderstorms late.
.TONIGHT...South winds around 5 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 5 seconds. A slight chance of showers and
thunderstorms after midnight.
.MONDAY...Southwest winds around 5 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 5 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.MONDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 5 seconds. A slight chance of showers and
thunderstorms after midnight.
.TUESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 1 foot at 5 seconds
and south 1 foot at 5 seconds, becoming northwest 1 foot at
4 seconds and south 1 foot at 6 seconds. Showers likely with a
chance of thunderstorms in the morning, then a slight chance of
showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds and south 1 foot at 5 seconds.
A chance of showers and thunderstorms after midnight.
.WEDNESDAY...North winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: Northwest 1 foot at
4 seconds, becoming north 1 foot at 4 seconds. Showers and
thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...Northeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 4 seconds and northeast
1 foot at 4 seconds. A chance of thunderstorms. A chance of showers
in the evening, then showers likely after midnight.
.THURSDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less, then around 2 feet in the afternoon.
Wave Detail: Northwest 1 foot at 4 seconds and northeast 1 foot at
4 seconds, becoming northwest 1 foot at 3 seconds and northeast
1 foot at 5 seconds. Showers with thunderstorms likely in the
morning, then showers likely with a chance of thunderstorms in the
afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 6 seconds and southwest 1 foot at
4 seconds. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.

Winds and seas higher in and near thunderstorms.

$$