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

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FZUS54 KLIX 220839
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
339 AM CDT Sun Apr 22 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-GMZ501-221600-
Synopsis Pascagoula to SW Pass Mississippi-
Synopsis SW Pass Mississippi River to Atchafalaya River-
339 AM CDT Sun Apr 22 2018

.SYNOPSIS...An area of low pressure and trailing cold front will
affect the coastal waters today. High pressure will build in
behind this system tonight and remain in place through Wednesday.
Another cold front should then slide through the area Wednesday
night. High pressure will build in behind this front for Thursday.

$$

GMZ534-221600-
Lake Borgne-
339 AM CDT Sun Apr 22 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING...

.TODAY...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.
.TONIGHT...West winds 10 to 15 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 near 10 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 near 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds near 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
2 feet. Dominant period 4 seconds. Slight chance of showers.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 1 to 2 feet.
Slight chance of showers.
.THURSDAY NIGHT...North winds near 10 knots. Waves 1 foot or
less.

$$

GMZ532-221600-
Mississippi Sound-
339 AM CDT Sun Apr 22 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING...

.TODAY...South winds 15 to 20 knots. Waves 3 to 5 feet with
occasional waves to 6 feet. Dominant period 4 seconds. Showers
likely until late afternoon. Chance of thunderstorms through the
day. Chance of showers late.
.TONIGHT...West winds 15 to 20 knots. Waves 3 to 5 feet. Dominant
period 4 seconds.
.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...West 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.
Dominant period 4 seconds.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet. Dominant period 4 seconds. Slight chance of showers.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
Slight chance of showers.
.THURSDAY NIGHT...North winds near 10 knots. Waves 1 to 2 feet.

$$

GMZ536-538-221600-
Chandeleur Sound-Breton Sound-
339 AM CDT Sun Apr 22 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING...

.TODAY...South winds 15 to 20 knots. Waves 3 to 5 feet with
occasional waves to 6 feet. Dominant period 4 seconds. Showers
likely and chance of thunderstorms.
.TONIGHT...West winds 15 to 20 knots. Waves 3 to 5 feet. Dominant
period 4 seconds.
.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 2 to
4 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...West winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet. Dominant period 4 seconds. Slight chance of showers.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
Slight chance of showers.
.THURSDAY NIGHT...North winds near 10 knots. Waves 1 to 2 feet.

$$

GMZ555-557-221600-
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-
339 AM CDT Sun Apr 22 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING...

.TODAY...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 through the day.
Showers likely in the afternoon.
.TONIGHT...West winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds.
.MONDAY...West winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 6 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 2 to 4 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds 10 to 15 knots becoming west late in
the afternoon. Seas 3 to 5 feet. Dominant period 4 seconds. Seas
subsiding to 1 to 2 feet in the afternoon. Dominant period 4
seconds in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to
4 feet. Dominant period 4 seconds.
.THURSDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Slight chance of showers.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to
2 feet.

$$

GMZ550-552-221600-
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-
339 AM CDT Sun Apr 22 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING...

.TODAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds. Showers
likely in the morning. Chance of thunderstorms until late
afternoon. Chance of showers in the afternoon.
.TONIGHT...Northwest winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds.
.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 2 to 4 feet.
Dominant period 4 seconds.
.WEDNESDAY...North winds 10 to 15 knots becoming west late in the
afternoon. Seas 2 to 4 feet. Dominant period 4 seconds.
.WEDNESDAY NIGHT...Northwest winds 15 to 20 knots. Seas 2 to
4 feet. Dominant period 4 seconds.
.THURSDAY...Northwest winds 15 to 20 knots easing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet. Slight chance of
showers.
.THURSDAY NIGHT...North winds 10 to 15 knots. Seas 1 to 2 feet.

$$

GMZ575-577-221600-
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-
339 AM CDT Sun Apr 22 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING...

.TODAY...South winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds. Chance of
showers through the day. Slight chance of thunderstorms in the
late morning and afternoon.
.TONIGHT...West 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 6 feet. Dominant
period 5 seconds. Seas subsiding to 2 to 4 feet in the afternoon.
Dominant period 5 seconds in the afternoon.
.TUESDAY NIGHT...Northwest winds near 15 knots. Seas 3 to 5 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to
4 feet. Dominant period 4 seconds.
.THURSDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Slight chance of showers.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to
4 feet.

$$

GMZ570-572-221600-
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-
339 AM CDT Sun Apr 22 2018

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH THIS EVENING...

.TODAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds. Chance of
thunderstorms until late afternoon. Chance of showers through the
day.
.TONIGHT...Northwest winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds.
.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...Northwest winds near 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.
Dominant period 4 seconds.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to
2 feet. Dominant period 4 seconds. Seas building to 3 to 5 feet
after midnight. Dominant period 4 seconds after midnight.
.THURSDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Slight chance of showers.
.THURSDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to
4 feet.

$$

GMZ530-221600-
Lake Pontchartrain and Lake Maurepas-
339 AM CDT Sun Apr 22 2018

.TODAY...South winds 10 to 15 knots becoming west late. Waves 2 to
4 feet. Dominant period 4 seconds. Showers in the morning. Chance
of thunderstorms through the day. Chance of showers in the
afternoon.
.TONIGHT...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
Dominant period 4 seconds.
.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 near 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 5 to 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.WEDNESDAY...Northwest winds near 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet. Dominant period 4 seconds. Slight chance of showers.
.THURSDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
Chance of showers.
.THURSDAY NIGHT...North winds 5 to 10 knots. Waves 1 foot or
less.

$$

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