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

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FZUS54 KLIX 210259
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1000 PM CDT Fri Apr 20 2018

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-GMZ501-210930-
Synopsis Pascagoula to SW Pass Mississippi-
Synopsis SW Pass Mississippi River to Atchafalaya River-
1000 PM CDT Fri Apr 20 2018

.SYNOPSIS...High pressure will remain over the area through
tonight. A low pressure system will then affect the waters over
the weekend. High pressure is expected to build back in by early
next week.

$$

GMZ534-210930-
Lake Borgne-
1000 PM CDT Fri Apr 20 2018

.TONIGHT...East winds 5 to 10 knots. Waves 1 to 2 feet. Dominant
period 4 seconds.
.SATURDAY...East winds near 15 knots. Waves 3 to 4 feet. Dominant
period 4 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Waves 2 to
4 feet. Dominant period 4 seconds. Chance of showers through the
night. Slight chance of thunderstorms after midnight.
.SUNDAY...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.
Dominant period 4 seconds. Showers and a chance of thunderstorms.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet. Dominant period 4 seconds. Chance of showers in the
evening.
.MONDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
Dominant period 4 seconds.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet. Dominant period 4 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 10 to 15 knots. Waves 1 to 3 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds near 10 knots. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...North winds near 10 knots. Waves 1 to 2 feet.

$$

GMZ532-210930-
Mississippi Sound-
1000 PM CDT Fri Apr 20 2018

.TONIGHT...East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant
period 4 seconds.
.SATURDAY...East winds 15 to 20 knots. Waves 3 to 5 feet.
Dominant period 4 seconds.
.SATURDAY NIGHT...Southeast winds near 15 knots. Waves 3 to 4
feet. Dominant period 4 seconds. Chance of showers through the
night. Slight chance of thunderstorms after midnight.
.SUNDAY...South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant
period 4 seconds. Showers and chance of thunderstorms.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet. Dominant period 4 seconds. Slight chance of thunderstorms
early in the evening. Chance of showers in the evening.
.MONDAY...West winds 10 to 15 knots. Waves 1 to 3 feet. Dominant
period 4 seconds. Slight chance of showers in the afternoon.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet. Dominant period 4 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
Dominant period 4 seconds. Slight chance of showers in the
afternoon.
.TUESDAY NIGHT...North winds 10 to 15 knots. Waves 1 to 3 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet.

$$

GMZ536-538-210930-
Chandeleur Sound-Breton Sound-
1000 PM CDT Fri Apr 20 2018

.TONIGHT...East winds 10 to 15 knots. Waves 2 to 4 feet. Dominant
period 4 seconds.
.SATURDAY...East winds 15 to 20 knots. Waves 3 to 5 feet.
Dominant period 4 seconds.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Waves 3 to
5 feet. Dominant period 4 seconds. Chance of showers.
.SUNDAY...South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant
period 4 seconds. Showers and chance of thunderstorms.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet. Dominant period 4 seconds. Chance of showers in the
evening.
.MONDAY...West winds 10 to 15 knots. Waves 1 to 3 feet. Dominant
period 4 seconds.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet. Dominant period 4 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 10 to 15 knots. Waves 2 to 4 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds 10 to 15 knots. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet.

$$

GMZ555-557-210930-
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-
1000 PM CDT Fri Apr 20 2018

.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet. Dominant
period 4 seconds.
.SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Dominant
period 5 seconds. Slight chance of showers in the morning.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
5 feet. Dominant period 7 seconds. Chance of showers.
.SUNDAY...South winds near 15 knots. Seas 3 to 5 feet. Dominant
period 7 seconds. Showers and chance of thunderstorms.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 3 to 4 feet.
Dominant period 6 seconds. Slight chance of thunderstorms early in
the evening. Chance of showers in the evening.
.MONDAY...West winds 10 to 15 knots. Seas 3 to 4 feet. Dominant
period 6 seconds.
.MONDAY NIGHT...Northwest winds near 15 knots. Seas 3 to 5 feet.
Dominant period 4 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Seas 3 to 4 feet.
Dominant period 4 seconds. Slight chance of showers in the
afternoon.
.TUESDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 4 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to
4 feet.

$$

GMZ550-552-210930-
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-
1000 PM CDT Fri Apr 20 2018

.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet. Dominant
period 4 seconds.
.SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Dominant
period 4 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
5 feet. Dominant period 4 seconds. Chance of showers.
.SUNDAY...Southwest winds near 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds. Showers and chance of thunderstorms.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Seas 3 to 4 feet.
Dominant period 5 seconds. Chance of showers in the evening.
.MONDAY...West winds 15 to 20 knots. Seas 3 to 5 feet. Dominant
period 4 seconds.
.MONDAY NIGHT...Northwest winds 15 to 20 knots. Seas 3 to 5 feet.
Dominant period 4 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Seas 3 to 4 feet.
Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 4 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to
3 feet.

$$

GMZ575-577-210930-
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-
1000 PM CDT Fri Apr 20 2018

.TONIGHT...East winds near 15 knots. Seas 3 to 5 feet. Dominant
period 4 seconds.
.SATURDAY...East winds 15 to 20 knots. Seas 3 to 6 feet. Dominant
period 5 seconds. Slight chance of showers in the morning.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6
feet. Dominant period 7 seconds. Chance of showers.
.SUNDAY...South winds 15 to 20 knots. Seas 4 to 6 feet. Dominant
period 7 seconds. Showers through the day. Chance of thunderstorms
in the late morning and afternoon.
.SUNDAY NIGHT...West winds 15 to 20 knots. Seas 4 to 5 feet.
Dominant period 6 seconds. Showers likely and slight chance of
thunderstorms in the evening.
.MONDAY...West winds near 15 knots. Seas 3 to 5 feet. Dominant
period 5 seconds. Slight chance of showers in the morning.
.MONDAY NIGHT...Northwest winds near 15 knots. Seas 3 to 4 feet.
Dominant period 5 seconds. Slight chance of showers.
.TUESDAY...Northwest winds near 15 knots. Seas 3 to 4 feet.
Dominant period 5 seconds. Slight chance of showers.
.TUESDAY NIGHT...Northwest winds near 15 knots. Seas 2 to 4 feet.
Dominant period 4 seconds. Slight chance of showers.
.WEDNESDAY...Northwest winds 10 to 15 knots. Seas 2 to 4 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to
4 feet.

$$

GMZ570-572-210930-
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-
1000 PM CDT Fri Apr 20 2018

.TONIGHT...East winds near 15 knots. Seas 3 to 5 feet. Dominant
period 4 seconds.
.SATURDAY...Southeast winds near 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds. Slight chance of showers in the
morning.
.SATURDAY NIGHT...Southeast winds near 15 knots. Seas 3 to
5 feet. Dominant period 7 seconds. Chance of showers.
.SUNDAY...Southwest winds 15 to 20 knots. Seas 4 to 5 feet.
Dominant period 7 seconds. Showers and chance of thunderstorms.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots. Seas 4 to 6 feet.
Dominant period 5 seconds. Slight chance of thunderstorms early
in the evening. Chance of showers in the evening.
.MONDAY...Northwest winds near 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds. Slight chance of showers.
.TUESDAY...Northwest winds near 15 knots. Seas 3 to 5 feet.
Dominant period 4 seconds. Slight chance of showers.
.TUESDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 4 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds 10 to 15 knots. Seas 2 to 4 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 4 feet.

$$

GMZ530-210930-
Lake Pontchartrain and Lake Maurepas-
1000 PM CDT Fri Apr 20 2018

.TONIGHT...East winds near 10 knots. Waves 1 to 2 feet. Dominant
period 4 seconds.
.SATURDAY...East winds near 15 knots. Waves 2 to 4 feet. Dominant
period 4 seconds.
.SATURDAY NIGHT...Southeast winds near 15 knots. Waves 3 to 4
feet. Dominant period 4 seconds. Chance of showers in the evening,
then showers likely after midnight. Slight chance of
thunderstorms after midnight.
.SUNDAY...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.
Dominant period 4 seconds. Showers and chance of thunderstorms.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet. Dominant period 4 seconds. Slight chance of showers in
the evening.
.MONDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
Dominant period 4 seconds.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet. Dominant period 4 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 10 to 15 knots. Waves 1 to 3 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
3 feet.

$$



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