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

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FZUS54 KLIX 170933
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
333 AM CST Sun Dec 17 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-GMZ501-172245-
Synopsis Pascagoula to SW Pass Mississippi-
Synopsis SW Pass Mississippi River to Atchafalaya River-
333 AM CST Sun Dec 17 2017

.SYNOPSIS...A front will stall over the Gulf States today through
Tuesday. An area of low pressure is expected to move east across
the central Gulf coast region Tuesday night into Wednesday morning
which should push a weak cold front into the coastal waters on
Wednesday. High pressure will then move east again Wednesday night
into Thursday as another stronger cold front approaches the
southern plains.

$$

GMZ534-172245-
Lake Borgne-
333 AM CST Sun Dec 17 2017

.TODAY...South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant
period 4 seconds. Showers in the morning, then showers likely and
slight chance of thunderstorms in the afternoon.
.TONIGHT...South winds 5 to 10 knots becoming northeast after
midnight. Waves 1 foot or less. Dominant period 4 seconds. Patchy
fog in the evening. Areas of fog after midnight. Chance of
showers and thunderstorms through the night.
.MONDAY through TUESDAY...South to southeast winds 5 to 10 knots.
Waves 1 foot or less. Dominant period 4 seconds. Slight chance of
showers.
.TUESDAY NIGHT...South winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers through the night.
Slight chance of thunderstorms after midnight.
.WEDNESDAY...West winds 10 to 15 knots. Waves 2 to 4 feet.
Dominant period 4 seconds. Showers likely in the morning, then
chance of showers in the afternoon.
.WEDNESDAY NIGHT...West winds 10 to 15 knots becoming northwest
near 5 knots after midnight. Waves 1 foot or less. Dominant
period 4 seconds.
.THURSDAY...Northwest winds near 5 knots becoming south in the
late morning and afternoon. Waves 1 foot or less. Dominant period
4 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds.

$$

GMZ532-172245-
Mississippi Sound-
333 AM CST Sun Dec 17 2017

.TODAY...South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant
period 4 seconds. Showers in the morning, then showers likely and
slight chance of thunderstorms in the afternoon.
.TONIGHT...South winds 5 to 10 knots becoming north after
midnight. Waves 1 to 2 feet. Dominant period 4 seconds. Patchy
fog in the evening. Areas of fog after midnight. Chance of
showers through the night. Chance of thunderstorms in the late
evening and overnight.
.MONDAY...East winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds. Chance of showers.
.MONDAY NIGHT and TUESDAY...South to southeast winds 5 to 10
knots. Waves 1 foot or less. Dominant period 4 seconds. Slight
chance of showers.
.TUESDAY NIGHT...South winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers through the night.
Slight chance of thunderstorms after midnight.
.WEDNESDAY...West winds 10 to 15 knots. Waves 3 to 5 feet.
Dominant period 4 seconds. Showers likely in the morning, then
chance of showers in the afternoon.
.WEDNESDAY NIGHT...West winds 10 to 15 knots becoming northwest
near 5 knots after midnight. Waves 1 to 2 feet. Dominant period
4 seconds.
.THURSDAY...Northwest winds near 5 knots becoming south in the
late morning and afternoon. Waves 1 foot or less. Dominant period
4 seconds.
.THURSDAY NIGHT...South winds near 10 knots. Waves 1 foot or
less. Dominant period 4 seconds. Waves or Seas building to 2 to
4 feet. Dominant period 4 seconds after midnight.

$$

GMZ536-538-172245-
Chandeleur Sound-Breton Sound-
333 AM CST Sun Dec 17 2017

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL NOON CST TODAY...

.TODAY...South winds 15 to 20 knots easing to 5 to 10 knots late.
Waves 3 to 5 feet. Dominant period 4 seconds. Showers through the
day. Slight chance of thunderstorms in the afternoon.
.TONIGHT...South winds 5 to 10 knots. Waves 1 to 2 feet. Dominant
period 4 seconds. Patchy fog in the evening. Widespread fog after
midnight. Chance of showers and slight chance of thunderstorms
through the night.
.MONDAY...East winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds. Chance of showers.
.MONDAY NIGHT and TUESDAY...South to southeast winds 5 to 10
knots. Waves 1 foot or less. Dominant period 4 seconds. Slight
chance of showers.
.TUESDAY NIGHT...South winds 10 to 15 knots. Waves 1 foot or
less. Dominant period 4 seconds. Waves or Seas building to 2 to
4 feet. Dominant period 4 seconds after midnight. Chance of
showers through the night. Slight chance of thunderstorms after
midnight.
.WEDNESDAY...West winds 15 to 20 knots. Waves 3 to 5 feet with
occasional waves to 6 feet. Dominant period 4 seconds. Showers
likely in the morning, then chance of showers in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Waves 1 to
2 feet. Dominant period 4 seconds.
.THURSDAY...Northwest winds near 5 knots becoming south in the
late morning and afternoon. Waves 1 foot or less. Dominant period
4 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Waves 1 foot or
less. Dominant period 4 seconds. Waves or Seas building to 2 to
4 feet. Dominant period 4 seconds after midnight.

$$

GMZ557-172245-
Coastal waters from Pascagoula Mississippi to Stake Island out
20 mile-
333 AM CST Sun Dec 17 2017

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL NOON CST TODAY...

.TODAY...South winds 15 to 20 knots relaxing to 10 to 15 knots
this afternoon. Seas 3 to 5 feet with occasional seas to 6 feet.
Dominant period 6 seconds. Chance of showers early in the morning,
then showers in the late morning and early afternoon. Chance of
showers late.
.TONIGHT...Southwest winds 5 to 10 knots. Seas 3 to 5 feet.
Dominant period 6 seconds. Patchy fog in the evening. Widespread
fog after midnight. Chance of showers through the night. Slight
chance of thunderstorms in the late evening.
.MONDAY...East winds 5 to 10 knots. Seas 2 to 4 feet. Dominant
period 6 seconds. Chance of showers.
.MONDAY NIGHT and TUESDAY...South winds 5 to 10 knots. Seas 2 to
4 feet. Dominant period 6 seconds. Slight chance of showers.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 6 seconds. Chance of showers through the night.
Slight chance of thunderstorms after midnight.
.WEDNESDAY...Southwest winds 15 to 20 knots. Seas 3 to 6 feet.
Dominant period 5 seconds. Showers likely in the morning, then
chance of showers in the afternoon.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 3 to
5 feet. Dominant period 6 seconds. Waves or Seas subsiding to
1 to 2 feet. Dominant period 6 seconds after midnight.
.THURSDAY...Northwest winds near 5 knots becoming south in the
late morning and afternoon. Seas 1 to 2 feet. Dominant period
6 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
Dominant period 6 seconds.

$$

GMZ555-172245-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
333 AM CST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY...

.TODAY...South winds 15 to 20 knots with frequent higher gusts.
Seas 3 to 6 feet. Dominant period 6 seconds. Showers through the
day. Slight chance of thunderstorms in the afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet. Dominant
period 6 seconds. Patchy fog in the evening. Widespread fog after
midnight. Slight chance of thunderstorms in the evening. Chance
of showers through the night.
.MONDAY through TUESDAY...South to southeast winds 5 to 10 knots.
Seas 2 to 4 feet. Dominant period 6 seconds. Slight chance of
showers.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 6 seconds. Chance of showers.
.WEDNESDAY...West winds 15 to 20 knots. Seas 3 to 6 feet.
Dominant period 6 seconds. Chance of showers.
.WEDNESDAY NIGHT...West winds 15 to 20 knots becoming northwest
5 to 10 knots after midnight. Seas 3 to 5 feet. Dominant period
5 seconds.
.THURSDAY...Northwest winds near 5 knots becoming south in the
late morning and afternoon. Seas 1 to 2 feet. Dominant period
5 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
Dominant period 5 seconds.

$$

GMZ552-172245-
Coastal waters from the Southwest Pass of the Mississippi River
to Port Fourchon Louisiana out 20 mile-
333 AM CST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 9 AM THIS MORNING
TO NOON CST TODAY...

.TODAY...South winds 15 to 20 knots. Seas 3 to 6 feet. Dominant
period 6 seconds. Showers and slight chance of thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet. Dominant
period 6 seconds. Patchy fog in the evening. Widespread fog after
midnight. Slight chance of thunderstorms in the evening. Chance
of showers through the night.
.MONDAY through TUESDAY...Southeast winds 5 to 10 knots. Seas 2
to 4 feet. Dominant period 6 seconds. Slight chance of showers.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to
5 feet. Dominant period 6 seconds. Chance of showers through the
night. Slight chance of thunderstorms after midnight.
.WEDNESDAY...West winds 15 to 20 knots. Seas 3 to 6 feet.
Dominant period 5 seconds. Chance of showers.
.WEDNESDAY NIGHT...West winds 15 to 20 knots becoming northwest
5 to 10 knots after midnight. Seas 3 to 5 feet. Dominant period
5 seconds.
.THURSDAY...Northwest winds near 5 knots becoming southeast in the
late morning and afternoon. Seas 1 to 2 feet. Dominant period
5 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.

$$

GMZ550-172245-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River
LA out 20 nm-
333 AM CST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...

.TODAY...South winds near 20 knots relaxing 10 to 15 knots and
then becoming west early in the afternoon, then becoming
northeast 5 to 10 knots late. Seas 3 to 6 feet. Dominant period 6
seconds. Waves or Seas subsiding to 2 to 4 feet. Dominant period 6
seconds in the afternoon. Showers in the morning. Chance of
thunderstorms through the day. Showers likely in the afternoon.
.TONIGHT...South winds 5 to 10 knots. Seas 3 to 5 feet. Dominant
period 6 seconds. Patchy fog in the evening. Widespread fog after
midnight. Chance of showers and slight chance of thunderstorms
through the night.
.MONDAY through TUESDAY...Southeast winds near 10 knots. Seas 2
to 4 feet. Dominant period 6 seconds. Slight chance of showers.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to
5 feet. Dominant period 6 seconds. Chance of showers through the
night. Slight chance of thunderstorms after midnight.
.WEDNESDAY...West winds 10 to 15 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 5 seconds. Chance of
showers.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots becoming north
near 5 knots after midnight. Seas 2 to 4 feet. Dominant period
6 seconds.
.THURSDAY...Northeast winds near 5 knots becoming southeast in the
late morning and afternoon. Seas 1 to 2 feet. Dominant period
6 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.

$$

GMZ575-577-172245-
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-
333 AM CST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM NOON TODAY TO 3 PM
CST THIS AFTERNOON...

.TODAY...South winds 15 to 20 knots with frequent higher gusts
this morning. Seas 3 to 6 feet with occasional seas to 8 feet.
Dominant period 6 seconds. Chance of showers early in the morning,
then showers in the late morning and early afternoon. Chance of
showers late.
.TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet. Dominant
period 6 seconds. Patchy fog in the evening. Widespread fog after
midnight. Chance of showers through the night. Slight chance of
thunderstorms late in the evening.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
Dominant period 6 seconds. Slight chance of showers.
.MONDAY NIGHT through TUESDAY NIGHT...South to southeast winds 10
to 15 knots. Seas 3 to 5 feet. Dominant period 6 seconds. Chance
of showers.
.WEDNESDAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet
with occasional seas to 6 feet. Dominant period 5 seconds. Chance
of showers.
.WEDNESDAY NIGHT...West winds 15 to 20 knots becoming northwest
near 10 knots after midnight. Seas 3 to 5 feet. Dominant period
5 seconds.
.THURSDAY...West winds 5 to 10 knots becoming south late in the
afternoon. Seas 1 to 2 feet. Dominant period 5 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
Dominant period 5 seconds.

$$

GMZ572-172245-
Coastal waters from Southwest Pass of the Mississippi River to
Port Fourchon Louisiana from 20 to 60 mile-
333 AM CST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 9 AM THIS MORNING
TO NOON CST TODAY...

.TODAY...South winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas to 8 feet. Dominant period 6 seconds. Showers
through the day. Slight chance of thunderstorms in the afternoon.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet. Dominant
period 6 seconds. Patchy fog in the evening. Widespread fog after
midnight. Slight chance of thunderstorms in the evening. Chance
of showers through the night.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
Dominant period 6 seconds. Slight chance of showers.
.MONDAY NIGHT through TUESDAY NIGHT...South to southeast winds 10
to 15 knots. Seas 3 to 5 feet. Dominant period 6 seconds. Chance
of showers.
.WEDNESDAY...West winds 15 to 20 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 6 seconds. Chance of
showers.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots. Seas 3 to
5 feet. Dominant period 5 seconds.
.THURSDAY...Northwest winds near 5 knots becoming southeast in the
late morning and afternoon. Seas 1 to 3 feet. Dominant period
5 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.

$$

GMZ570-172245-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 mile-
333 AM CST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...

.TODAY...South winds 15 to 20 knots becoming north 5 to 10 knots
late. Seas 3 to 6 feet subsiding to 2 to 4 feet. Dominant period
6 seconds in the afternoon. Showers and chance of thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet. Dominant
period 6 seconds. Patchy fog in the evening. Widespread fog after
midnight. Slight chance of thunderstorms in the evening. Chance
of showers through the night.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
Dominant period 6 seconds. Chance of showers.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Dominant period 6 seconds. Slight chance of showers in the
evening.
.TUESDAY...South winds 10 to 15 knots. Seas 2 to 4 feet. Dominant
period 6 seconds. Slight chance of showers.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas 3 to
5 feet. Dominant period 7 seconds. Chance of showers through the
night. Slight chance of thunderstorms after midnight.
.WEDNESDAY...West winds near 15 knots. Seas 3 to 5 feet with
occasional seas to 6 feet. Dominant period 6 seconds. Chance of
showers.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 knots easing to near
5 knots after midnight. Seas 2 to 4 feet. Dominant period
6 seconds.
.THURSDAY...North winds near 5 knots becoming southeast in the
late morning and afternoon. Seas 1 to 3 feet. Dominant period
5 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet.
Dominant period 5 seconds.

$$

GMZ530-172245-
Lake Pontchartrain and Lake Maurepas-
333 AM CST Sun Dec 17 2017

.TODAY...South winds 10 to 15 knots. Waves 2 to 4 feet. Dominant
period 4 seconds. Showers in the morning. Slight chance of
thunderstorms in the late morning and afternoon. Chance of
showers in the afternoon.
.TONIGHT...Southeast winds 5 to 10 knots becoming northeast after
midnight. Waves 1 foot or less. Dominant period 4 seconds. Patchy
fog in the evening. Areas of fog after midnight. Chance of
showers through the night. Chance of thunderstorms in the late
evening and overnight.
.MONDAY and Monday Night...Southeast winds 5 to 10 knots. Waves 1
foot or less. Dominant period 4 seconds. Showers likely in the
morning, then chance of showers in the afternoon. Slight chance of
showers through the night.
.TUESDAY...South winds 5 to 10 knots. Waves 1 foot or less.
Dominant period 4 seconds. Chance of showers.
.TUESDAY NIGHT...South winds 10 to 15 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Chance of showers in the evening, then
showers likely and slight chance of thunderstorms after midnight.
.WEDNESDAY...West winds 10 to 15 knots. Waves 2 to 4 feet.
Dominant period 4 seconds. Waves or Seas subsiding to 1 to
2 feet. Dominant period 4 seconds in the afternoon. Chance of
showers.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Waves 1 foot or
less. Dominant period 4 seconds.
.THURSDAY...Northeast winds near 5 knots becoming southeast in the
late morning and afternoon. Waves 1 foot or less. Dominant period
4 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Waves 1 to 2 feet.
Dominant period 4 seconds. Slight chance of showers.

$$



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