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

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
000
FZUS54 KLIX 272027
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
327 PM CDT Tue Jul 27 2021

Pascagoula to Atchafalaya River Out to 60 mile

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
ten percent of the waves.

GMZ500-GMZ501-280915-
Synopsis Pascagoula to SW Pass Mississippi-
Synopsis SW Pass Mississippi River to Atchafalaya River-
327 PM CDT Tue Jul 27 2021

.SYNOPSIS...High pressure will remain centered over the Southern
Plains. A weak front will continue to try to move toward the Gulf
coast but will stall just inland for the remainder of next week.

$$

GMZ530-280915-
Lake Pontchartrain and Lake Maurepas-
327 PM CDT Tue Jul 27 2021

.TONIGHT...West winds 5 to 10 knots. Waves 1 to 2 feet. Dominant
period 4 seconds.
.WEDNESDAY...Northwest winds near 5 knots becoming south early in
the afternoon, then becoming southeast late in the afternoon.
Waves 1 foot or less. Dominant period 4 seconds. Chance of
showers and thunderstorms in the late morning and afternoon.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less. Dominant period 4 seconds.
.THURSDAY...Northwest winds near 5 knots becoming southeast in the
afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds.
.FRIDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds.
.SATURDAY...West winds near 5 knots. Waves 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds.
.SUNDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SUNDAY NIGHT...West winds 5 to 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.

$$

GMZ534-280915-
Lake Borgne-
327 PM CDT Tue Jul 27 2021

.TONIGHT...Southwest winds 5 to 10 knots becoming west after
midnight. Waves 1 foot or less. Dominant period 4 seconds.
.WEDNESDAY...North winds near 5 knots becoming southeast in the
afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Chance of showers and thunderstorms in the late morning and
afternoon.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less. Dominant period 4 seconds. Slight chance of showers and
thunderstorms through the night.
.THURSDAY...West winds near 5 knots becoming south in the
afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds.
.FRIDAY...West winds 5 to 10 knots becoming southwest late in the
afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Chance of showers and thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds.
.SATURDAY...West winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds near 10 knots. Waves 1 foot or less.
Dominant period 4 seconds.
.SUNDAY...West winds near 10 knots. Waves 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SUNDAY NIGHT...West winds near 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms
through the night.

$$

GMZ532-280915-
Mississippi Sound-
327 PM CDT Tue Jul 27 2021

.TONIGHT...Southwest winds 5 to 10 knots becoming west after
midnight. Waves 1 to 2 feet. Dominant period 4 seconds.
.WEDNESDAY...West winds near 5 knots becoming south in the
afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Chance of showers and thunderstorms through the day.
.WEDNESDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or
less. Dominant period 4 seconds. Slight chance of showers and
thunderstorms through the night.
.THURSDAY...West winds 5 to 10 knots becoming southwest in the
afternoon. Waves 1 to 2 feet. Dominant period 4 seconds. Chance
of showers and thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms.
.FRIDAY...West winds 5 to 10 knots becoming southwest in the
afternoon. Waves 1 to 2 feet. Dominant period 4 seconds. Chance
of showers and thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots. Waves 1 to 3 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms.

$$

GMZ536-538-280915-
Chandeleur Sound-Breton Sound-
327 PM CDT Tue Jul 27 2021

.TONIGHT...Southwest winds 5 to 10 knots becoming west after
midnight. Waves 1 to 2 feet. Dominant period 4 seconds.
.WEDNESDAY...North winds 5 to 10 knots becoming southeast in the
afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Chance of showers and thunderstorms through the day.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less. Dominant period 4 seconds. Slight chance of showers and
thunderstorms through the night.
.THURSDAY...West winds 5 to 10 knots becoming south in the
afternoon. Waves 1 foot or less. Dominant period 4 seconds.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...West winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.
.FRIDAY...Southwest winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.
.SUNDAY...Southwest winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots. Waves 2 to 4 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms
through the night.

$$

GMZ555-557-280915-
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 mile-
327 PM CDT Tue Jul 27 2021

.TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.
.WEDNESDAY...North winds near 5 knots becoming northeast late in
the morning, then becoming south in the afternoon. Seas 1 foot or
less. Dominant period 4 seconds. Chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Dominant period 4 seconds. Chance of showers and
thunderstorms through the night.
.THURSDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 5 seconds. Chance of showers and thunderstorms.
.THURSDAY NIGHT...West winds 10 to 15 knots. Seas 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.
.FRIDAY...West winds 10 to 15 knots. Seas 1 to 2 feet. Dominant
period 4 seconds. Chance of showers and thunderstorms through the
day.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.
.SUNDAY...Southwest winds 10 to 15 knots. Seas 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms
through the night.

$$

GMZ575-577-280915-
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 mile-
327 PM CDT Tue Jul 27 2021

.TONIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. Dominant
period 4 seconds. Chance of showers and thunderstorms after
midnight.
.WEDNESDAY...Southwest winds near 5 knots becoming south in the
late morning and afternoon. Seas 1 foot or less. Dominant period
4 seconds. Chance of showers and thunderstorms through the day.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to
2 feet. Dominant period 4 seconds. Chance of showers and
thunderstorms after midnight.
.THURSDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Dominant period 5 seconds. Chance of showers and thunderstorms
through the day.
.THURSDAY NIGHT...West winds 10 to 15 knots. Seas 1 to 2 feet.
Dominant period 5 seconds. Slight chance of showers and
thunderstorms after midnight.
.FRIDAY...West winds 10 to 15 knots. Seas 1 to 2 feet. Dominant
period 4 seconds. Chance of showers and thunderstorms in the
morning.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.
.SATURDAY...West winds 5 to 10 knots. Seas 1 to 2 feet. Dominant
period 6 seconds. Slight chance of showers and thunderstorms
through the day.
.SATURDAY NIGHT...West winds 10 to 15 knots. Seas 1 to 2 feet.
Dominant period 6 seconds. Slight chance of showers and
thunderstorms after midnight.
.SUNDAY...West winds 10 to 15 knots. Seas 1 to 2 feet. Dominant
period 4 seconds. Chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 4 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms
through the night.

$$

GMZ550-552-280915-
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 mile-
327 PM CDT Tue Jul 27 2021

.TONIGHT...South winds 5 to 10 knots becoming east after midnight.
Seas 1 foot or less. Dominant period 4 seconds.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms
through the day.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or
less. Dominant period 4 seconds. Chance of showers and
thunderstorms after midnight.
.THURSDAY...South winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.
.FRIDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds 5 to 10 knots. Seas 1 to 2 feet.
Dominant period 4 seconds.
.SUNDAY...Southwest winds 10 to 15 knots. Seas 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.

$$

GMZ570-572-280915-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 mile-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 mile-
327 PM CDT Tue Jul 27 2021

.TONIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms
after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms
through the day.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or
less. Dominant period 4 seconds. Chance of showers and
thunderstorms after midnight.
.THURSDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Dominant
period 4 seconds. Chance of showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Dominant
period 4 seconds. Chance of showers and thunderstorms through the
day.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds.
.SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms through the day.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Dominant period 4 seconds.
.SUNDAY...Southwest winds near 10 knots. Seas 1 foot or less.
Dominant period 4 seconds. Chance of showers and thunderstorms
through the day.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms after midnight.

$$


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.