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

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FZUS54 KLIX 211519
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1019 AM CDT Sat Oct 21 2017

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-GMZ501-212200-
Synopsis Pascagoula to SW Pass Mississippi-
Synopsis SW Pass Mississippi River to Atchafalaya River-
1019 AM CDT Sat Oct 21 2017

.SYNOPSIS...High pressure over the southeast U.S. will shift to
the east today and tonight. A cold front will move across the
coastal waters Sunday night into early Monday. High pressure will
then build over the coastal waters next week in the wake of the
front.

$$

GMZ532-534-212200-
Mississippi Sound-Lake Borgne-
1019 AM CDT Sat Oct 21 2017

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH SUNDAY
MORNING...

.REST OF TODAY...Southeast winds 15 to 20 knots. Waves 3 to
5 feet. Dominant period 4 seconds. Chance of showers and
thunderstorms through the day.
.TONIGHT...Southeast winds 15 to 20 knots. Waves 3 to 5 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms.
.SUNDAY...Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms in
the morning, then showers and thunderstorms likely early in the
afternoon. Showers and thunderstorms late in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots becoming northwest
after midnight. Waves 2 to 4 feet. Dominant period 4 seconds.
Showers and thunderstorms in the evening, then chance of showers
and slight chance of thunderstorms after midnight.
.MONDAY...Northwest winds 15 to 20 knots. Waves 2 to 4 feet.
Dominant period 4 seconds. Chance of showers and slight chance of
thunderstorms.
.MONDAY NIGHT...Northwest winds near 15 knots. Waves 2 to 4 feet.
Dominant period 4 seconds.
.TUESDAY...Northwest winds 15 to 20 knots. Waves 2 to 4 feet.
Dominant period 4 seconds.
.TUESDAY NIGHT...Northwest winds 15 to 20 knots. Waves 3 to
5 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots becoming west
5 to 10 knots after midnight. Waves 1 to 2 feet.

$$

GMZ536-538-212200-
Chandeleur Sound-Breton Sound-
1019 AM CDT Sat Oct 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.REST OF TODAY...Southeast winds near 20 knots. Waves 3 to 5
feet. Dominant period 4 seconds. Chance of showers and
thunderstorms.
.TONIGHT...Southeast winds near 20 knots. Waves 3 to 5 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms.
.SUNDAY...Southeast winds 10 to 15 knots. Waves 3 to 5 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms in
the morning, then showers and thunderstorms likely early in the
afternoon. Showers and thunderstorms late in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots becoming northwest
after midnight. Waves 2 to 4 feet. Dominant period 4 seconds.
Showers and thunderstorms in the evening, then chance of showers
and slight chance of thunderstorms after midnight.
.MONDAY...Northwest winds 15 to 20 knots. Waves 3 to 5 feet.
Dominant period 4 seconds. Slight chance of thunderstorms in the
morning. Chance of showers through the day.
.MONDAY NIGHT...Northwest winds 15 to 20 knots. Waves 3 to
5 feet. Dominant period 4 seconds.
.TUESDAY...North winds 15 to 20 knots. Waves 3 to 5 feet.
Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 20 to 25 knots. Waves 3 to 5 feet
with occasional waves to 6 feet.
.WEDNESDAY...North winds 15 to 20 knots. Waves 3 to 5 feet.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots becoming west
5 to 10 knots after midnight. Waves 1 to 2 feet.

$$

GMZ555-557-212200-
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-
1019 AM CDT Sat Oct 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.REST OF TODAY...East winds near 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 6 seconds. Slight
chance of showers and thunderstorms through the day.
.TONIGHT...Southeast winds near 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 7 seconds. Slight
chance of showers and thunderstorms.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 7 seconds. Chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots becoming west after
midnight. Seas 3 to 6 feet. Dominant period 7 seconds. Showers
and thunderstorms in the evening, then showers and thunderstorms
likely after midnight.
.MONDAY...Northwest winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 7 seconds. Chance of
showers and slight chance of thunderstorms.
.MONDAY NIGHT...Northwest winds 15 to 20 knots. Seas 3 to 6 feet
with occasional seas to 8 feet. Dominant period 7 seconds.
.TUESDAY...Northwest winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 20 to 25 knots. Seas 4 to 7 feet
with occasional seas to 9 feet.
.WEDNESDAY...North winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 4 feet.

$$

GMZ550-552-212200-
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-
1019 AM CDT Sat Oct 21 2017

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH SUNDAY
MORNING...

.REST OF TODAY...Southeast winds 15 to 20 knots. Seas 3 to
6 feet. Dominant period 7 seconds. Chance of showers and
thunderstorms.
.TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 7 seconds. Chance of
showers and thunderstorms through the night.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 6 feet.
Dominant period 7 seconds. Chance of showers and thunderstorms in
the morning, then showers and thunderstorms likely in the
afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots becoming northwest
15 to 20 knots after midnight. Seas 3 to 5 feet. Dominant period
7 seconds. Showers and thunderstorms likely in the evening, then
chance of showers and slight chance of thunderstorms after
midnight.
.MONDAY...Northwest winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 4 seconds. Slight
chance of thunderstorms in the morning. Slight chance of showers
through the day.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 4 seconds.
.TUESDAY...North winds 15 to 20 knots. Seas 3 to 6 feet. Dominant
period 4 seconds.
.TUESDAY NIGHT...North winds 20 to 25 knots. Seas 3 to 6 feet
with occasional seas to 8 feet.
.WEDNESDAY...North winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots becoming east 5 to
10 knots after midnight. Seas 2 to 4 feet.

$$

GMZ575-577-212200-
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-
1019 AM CDT Sat Oct 21 2017

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...

.REST OF TODAY...East winds near 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 7 seconds. Slight
chance of showers and thunderstorms through the day.
.TONIGHT...Southeast winds near 20 knots. Seas 4 to 7 feet with
occasional seas to 9 feet. Dominant period 7 seconds. Slight
chance of showers and thunderstorms.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 7 seconds. Chance of
showers and thunderstorms until late afternoon, then showers and
thunderstorms likely late in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots becoming west after
midnight. Seas 3 to 6 feet. Dominant period 7 seconds. Showers
and thunderstorms in the evening, then showers and thunderstorms
likely after midnight.
.MONDAY...Northwest winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 7 seconds. Chance of
showers and slight chance of thunderstorms.
.MONDAY NIGHT...Northwest winds near 20 knots. Seas 4 to 7 feet
with occasional seas to 9 feet. Dominant period 6 seconds.
.TUESDAY...North winds 15 to 20 knots. Seas 4 to 7 feet with
occasional seas to 9 feet. Dominant period 4 seconds.
.TUESDAY NIGHT...North winds near 20 knots. Seas 4 to 7 feet with
occasional seas to 9 feet.
.WEDNESDAY...North winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet.
.WEDNESDAY NIGHT...North winds 15 to 20 knots easing to near
10 knots after midnight. Seas 3 to 5 feet.

$$

GMZ570-572-212200-
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-
1019 AM CDT Sat Oct 21 2017

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH SUNDAY
MORNING...

.REST OF TODAY...Southeast winds 15 to 20 knots. Seas 3 to
6 feet. Dominant period 7 seconds. Chance of showers and
thunderstorms.
.TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 7 seconds. Chance of
showers and thunderstorms through the night.
.SUNDAY...Southeast winds 15 to 20 knots easing to near 10 knots
late in the afternoon. Seas 3 to 6 feet with occasional seas to
8 feet. Dominant period 8 seconds. Chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.SUNDAY NIGHT...Southeast winds near 10 knots becoming west in the
late evening, then becoming northwest 15 to 20 knots after
midnight. Seas 3 to 5 feet with occasional seas to 6 feet.
Dominant period 7 seconds. Showers and thunderstorms likely in the
evening, then chance of showers and slight chance of
thunderstorms after midnight.
.MONDAY...Northwest winds 15 to 20 knots. Seas 4 to 7 feet with
occasional seas to 9 feet. Dominant period 6 seconds. Slight
chance of thunderstorms in the morning. Chance of showers through
the day.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 6 seconds.
.TUESDAY...North winds 20 to 25 knots. Seas 4 to 7 feet with
occasional seas to 9 feet. Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 20 to 25 knots. Seas 4 to 7 feet
with occasional seas to 9 feet.
.WEDNESDAY...North winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet.
.WEDNESDAY NIGHT...North winds 10 to 15 knots becoming east 5 to
10 knots after midnight. Seas 3 to 5 feet.

$$

GMZ530-212200-
Lake Pontchartrain and Lake Maurepas-
1019 AM CDT Sat Oct 21 2017

.REST OF TODAY...Southeast winds 10 to 15 knots. Waves 2 to
4 feet. Dominant period 4 seconds. Chance of showers and
thunderstorms.
.TONIGHT...Southeast winds 10 to 15 knots. Waves 2 to 4 feet.
Dominant period 4 seconds. Slight chance of showers and
thunderstorms through the night.
.SUNDAY...Southeast winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers and thunderstorms
early in the morning, then showers and thunderstorms in the late
morning and afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots becoming northwest 10 to
15 knots in the late evening. Waves 1 foot or less.
Dominant period 4 seconds. Waves building to 1 to 3 feet after
midnight. Dominant period 4 seconds after midnight. Showers and
thunderstorms likely in the evening, then chance of showers and
slight chance of thunderstorms after midnight.
.MONDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
Dominant period 4 seconds. Slight chance of thunderstorms in the
morning. Chance of showers through the day.
.MONDAY NIGHT...Northwest winds 10 to 15 knots. Waves 2 to
4 feet. Dominant period 4 seconds.
.TUESDAY...North winds 15 to 20 knots. Waves 2 to 4 feet.
Dominant period 4 seconds.
.TUESDAY NIGHT...North winds 15 to 20 knots. Waves 3 to 5 feet.
.WEDNESDAY...Northwest winds 10 to 15 knots. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...West winds 5 to 10 knots becoming south after
midnight. Waves 1 foot or less.

$$

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