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

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FZUS54 KLIX 212050
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
350 PM CDT Sat Apr 21 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-GMZ501-221000-
Synopsis Pascagoula to SW Pass Mississippi-
Synopsis SW Pass Mississippi River to Atchafalaya River-
350 PM CDT Sat Apr 21 2018

.SYNOPSIS...An area of low pressure will pass north of the coastal waters this
weekend. A cold front trailing this low pressure system will move
through the region Sunday afternoon and evening. High pressure will
build in by Monday and remain in place through the middle of the
week.

$$

GMZ534-221000-
Lake Borgne-
350 PM CDT Sat Apr 21 2018

.TONIGHT...Southeast winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers in the late evening
and overnight.
.SUNDAY...South winds 15 to 20 knots. Waves 2 to 4 feet. Dominant
period 4 seconds. Showers and chance of thunderstorms.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots becoming northwest
10 to 15 knots after midnight. Waves 1 to 2 feet. Dominant period
4 seconds. Slight chance of showers early in the evening.
.MONDAY...West winds 10 to 15 knots. Waves 1 to 2 feet. Dominant
period 4 seconds.
.MONDAY NIGHT...Northwest winds near 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 10 to 15 knots. Waves 1 to 2 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.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet
subsiding to 1 foot or less in the afternoon.
.THURSDAY NIGHT...North winds near 10 knots. Waves 1 foot or
less.

$$

GMZ532-221000-
Mississippi Sound-
350 PM CDT Sat Apr 21 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

.TONIGHT...Southeast winds 15 knots easing to 10 to 15 knots.
Waves 2 to 4 feet. Dominant period 4 seconds. Chance of showers in
the late evening and overnight.
.SUNDAY...South winds 15 to 20 knots. Waves 2 to 4 feet. Dominant
period 4 seconds. Showers likely in the morning. Chance of
thunderstorms through the day. Showers in the afternoon.
.SUNDAY NIGHT...Southwest winds 15 to 20 knots becoming west 10 to
15 knots after midnight. 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 1 to
2 feet. Dominant period 4 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Waves 1 to 2 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.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
Slight chance of showers.
.THURSDAY NIGHT...North winds 5 to 10 knots. Waves 1 foot or
less.

$$

GMZ536-538-221000-
Chandeleur Sound-Breton Sound-
350 PM CDT Sat Apr 21 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

.TONIGHT...Southeast winds easing to 10 to 15 knots. Waves 2 to 4
feet. Dominant period 4 seconds. Chance of showers in the late
evening and overnight.
.SUNDAY...South winds 15 to 20 knots. Waves 3 to 5 feet. Dominant
period 4 seconds. Showers likely in the morning. Chance of
thunderstorms through the day. Showers in the afternoon.
.SUNDAY NIGHT...West winds 15 to 20 knots. Waves 2 to 4 feet.
Dominant period 4 seconds. Slight chance of showers in the
evening.
.MONDAY...West winds 10 to 15 knots. Waves 2 to 4 feet. Dominant
period 4 seconds.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
2 feet. Dominant period 4 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Waves 1 to 2 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.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
.THURSDAY NIGHT...North winds near 10 knots. Waves 1 foot or
less.

$$

GMZ555-557-221000-
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-
350 PM CDT Sat Apr 21 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

.TONIGHT...Southeast winds easing to 10 to 15 knots. Seas 3 to 5
feet. Dominant period 6 seconds. Chance of showers in the late
evening.
.SUNDAY...South winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds. Chance of
showers in the morning. Chance of thunderstorms in the late
morning and afternoon. Showers in the afternoon.
.SUNDAY NIGHT...West winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 6 seconds. Chance of
showers in the evening.
.MONDAY...West winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.
.TUESDAY...West winds 10 to 15 knots. Seas 3 to 5 feet. Dominant
period 4 seconds.
.TUESDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming west late in
the afternoon. Seas 2 to 4 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to
4 feet.
.THURSDAY...West winds 10 to 15 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots becoming north
after midnight. Seas 1 foot or less.

$$

GMZ550-552-221000-
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-
350 PM CDT Sat Apr 21 2018

.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 4 seconds. Chance of showers in the late evening
and overnight. Slight chance of thunderstorms after midnight.
.SUNDAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds. Showers and
chance of thunderstorms.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots. Seas 3 to 6 feet.
Dominant period 5 seconds. Slight chance of showers early in the
evening.
.MONDAY...West winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds.
.MONDAY NIGHT...Northwest winds 15 to 20 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.
.TUESDAY...West winds 10 to 15 knots. Seas 3 to 5 feet. Dominant
period 4 seconds.
.TUESDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 4 seconds.
.WEDNESDAY...North winds 10 to 15 knots becoming west late in the
afternoon. Seas 1 to 2 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to
4 feet.
.THURSDAY...West winds 10 to 15 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...West winds 10 to 15 knots becoming north in the
late evening. Seas 1 foot or less.

$$

GMZ575-577-221000-
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-
350 PM CDT Sat Apr 21 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

.TONIGHT...Southeast winds 15 knots easing to 10 to 15 knots.
Seas 3 to 5 feet. Dominant period 6 seconds. Chance of showers in
the late evening.
.SUNDAY...South winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds. Chance of
showers in the morning, then showers and chance of thunderstorms
in the afternoon.
.SUNDAY NIGHT...West winds 15 to 20 knots. Seas 3 to 6 feet.
Dominant period 5 seconds. Chance of showers in the evening.
.MONDAY...West winds near 15 knots. Seas 3 to 5 feet. Dominant
period 5 seconds.
.MONDAY NIGHT...Northwest winds near 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.
.TUESDAY NIGHT...Northwest winds near 15 knots. Seas 3 to 5 feet.
Dominant period 4 seconds.
.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.
.THURSDAY...West winds 10 to 15 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...Northwest winds near 10 knots becoming north
after midnight. Seas 1 to 2 feet.

$$

GMZ570-572-221000-
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-
350 PM CDT Sat Apr 21 2018

.TONIGHT...Southeast winds 15 knots. Seas 3 to 5 feet. Dominant
period 5 seconds. Chance of showers in the late evening and
overnight.
.SUNDAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds. Chance of
showers in the morning. Chance of thunderstorms through the day.
Showers likely in the afternoon.
.SUNDAY NIGHT...Northwest winds 15 to 20 knots. Seas 3 to 6 feet
with occasional seas to 8 feet. Dominant period 5 seconds. Slight
chance of showers in the evening.
.MONDAY...West winds near 15 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 6 seconds.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.
.TUESDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 4 seconds.
.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.
.THURSDAY...Northwest winds 10 to 15 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots becoming north
after midnight. Seas 1 to 2 feet.

$$

GMZ530-221000-
Lake Pontchartrain and Lake Maurepas-
350 PM CDT Sat Apr 21 2018

.TONIGHT...Southeast winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers in the late evening
and overnight. Slight chance of thunderstorms after midnight.
.SUNDAY...Southwest winds 15 to 20 knots. Waves 2 to 4 feet.
Dominant period 4 seconds. Showers in the morning. Chance of
thunderstorms through the day. Showers likely in the afternoon.
.SUNDAY NIGHT...West winds 15 to 20 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.MONDAY...West winds 10 to 15 knots. Waves 1 to 2 feet. Dominant
period 4 seconds.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
2 feet. Dominant period 4 seconds.
.TUESDAY...Northwest winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 10 to 15 knots. Waves 1 to 2 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. Slight chance of showers.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
Slight chance of showers.
.THURSDAY NIGHT...North winds 5 to 10 knots. Waves 1 to 2 feet.

$$


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