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

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757
FZUS54 KLIX 181445
CWFLIX

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE NEW ORLEANS LA
945 AM CDT SAT APR 18 2015

PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM

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-GMZ501-190315-
SYNOPSIS PASCAGOULA TO SW PASS MISSISSIPPI RIVER-
SYNOPSIS SW PASS MISSISSIPPI RIVER TO ATCHAFALAYA RIVER-
945 AM CDT SAT APR 18 2015

.SYNOPSIS...A LOW PRESSURE SYSTEM WILL SLIDE TOWARD THE AREA
TODAY AND TONIGHT. THIS LOW WILL PASS THROUGH THE AREA
TOMORROW...FORCING A COLD FRONT THROUGH THE COASTAL WATERS SUNDAY
NIGHT. HIGH PRESSURE WILL THEN BUILD IN FOR MONDAY AND TUESDAY. A
WEAK AREA OF LOW PRESSURE WILL SLIP THROUGH ON WEDNESDAY.

$$

GMZ534-190315-
LAKE BORGNE-
945 AM CDT SAT APR 18 2015

.REST OF TODAY...VARIABLE WINDS NEAR 5 KNOTS BECOMING SOUTH NEAR
15 KNOTS IN THE AFTERNOON. WAVES 1 FOOT OR LESS DOMINANT PERIOD 2
SECONDS BUILDING TO 1 TO 3 FEET DOMINANT PERIOD 2 SECONDS IN THE
AFTERNOON. SHOWERS AND THUNDERSTORMS.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET
DOMINANT PERIOD 2 SECONDS. SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY LATE IN THE
EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS NEAR 10 KNOTS. WAVES 1 TO 2 FEET
DOMINANT PERIOD 2 SECONDS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
.SUNDAY NIGHT...WEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 2 FEET
DOMINANT PERIOD 2 SECONDS. SLIGHT CHANCE OF SHOWERS IN THE LATE
EVENING AND EARLY MORNING.
.MONDAY...WEST WINDS NEAR 10 KNOTS. WAVES 1 FOOT OR LESS DOMINANT
PERIOD 2 SECONDS.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 10 KNOTS BECOMING NORTHEAST
AFTER MIDNIGHT. WAVES 1 TO 2 FEET DOMINANT PERIOD 2 SECONDS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR LESS.
.WEDNESDAY...EAST WINDS NEAR 10 KNOTS. WAVES 1 FOOT OR LESS.
CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 FOOT OR
LESS. SLIGHT CHANCE OF SHOWERS IN THE EVENING.

$$

GMZ532-190315-
MISSISSIPPI SOUND-
945 AM CDT SAT APR 18 2015

.REST OF TODAY...NORTHEAST WINDS NEAR 5 KNOTS BECOMING SOUTH IN
THE AFTERNOON. WAVES 1 TO 2 FEET DOMINANT PERIOD 2 SECONDS.
SHOWERS AND THUNDERSTORMS.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET DOMINANT
PERIOD 2 SECONDS. SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY LATE IN THE
EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET
DOMINANT PERIOD 2 SECONDS. CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET
DOMINANT PERIOD 2 SECONDS. SLIGHT CHANCE OF SHOWERS IN THE LATE
EVENING AND EARLY MORNING.
.MONDAY...WEST WINDS NEAR 10 KNOTS. WAVES 1 TO 2 FEET DOMINANT
PERIOD 2 SECONDS.
.MONDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET
DOMINANT PERIOD 2 SECONDS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 2 FEET.
.WEDNESDAY...EAST WINDS NEAR 10 KNOTS. WAVES 1 TO 2 FEET. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO
2 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING.

$$

GMZ536-538-190315-
CHANDELEUR SOUND-BRETON SOUND-
945 AM CDT SAT APR 18 2015

.REST OF TODAY...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH
10 TO 15 KNOTS IN THE AFTERNOON. WAVES 1 FOOT OR LESS DOMINANT
PERIOD 2 SECONDS BUILDING TO 2 TO 4 FEET DOMINANT PERIOD
2 SECONDS IN THE AFTERNOON. SHOWERS AND THUNDERSTORMS.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET DOMINANT
PERIOD 3 SECONDS. SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE LATE
EVENING AND EARLY MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET
DOMINANT PERIOD 3 SECONDS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET
DOMINANT PERIOD 2 SECONDS. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
.MONDAY...WEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET DOMINANT
PERIOD 2 SECONDS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH
AFTER MIDNIGHT. WAVES 2 TO 4 FEET DOMINANT PERIOD 2 SECONDS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. WAVES 2 TO 4 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET.
.WEDNESDAY...EAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET. CHANCE
OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. WAVES 1 TO
2 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING.

$$

GMZ555-557-190315-
COASTAL WATERS FROM BOOTHVILLE LA TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER OUT 20 NM-
COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA OUT 20 NM-
945 AM CDT SAT APR 18 2015

.REST OF TODAY...EAST WINDS 10 TO 15 KNOTS BECOMING SOUTH IN THE
AFTERNOON. SEAS 2 TO 4 FEET DOMINANT PERIOD 3 SECONDS. SHOWERS
AND THUNDERSTORMS.
.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET DOMINANT
PERIOD 5 SECONDS. SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE LATE
EVENING AND EARLY MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET
DOMINANT PERIOD 6 SECONDS. CHANCE OF SHOWERS AND THUNDERSTORMS
UNTIL LATE AFTERNOON.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
DOMINANT PERIOD 6 SECONDS. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
.MONDAY...WEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET DOMINANT
PERIOD 7 SECONDS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH
AFTER MIDNIGHT. SEAS 2 TO 4 FEET DOMINANT PERIOD 7 SECONDS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
.WEDNESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. CHANCE
OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING.

$$

GMZ550-552-190315-
COASTAL WATERS FROM PORT FOURCHON TO LOWER ATCHAFALAYA RIVER OUT
20 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON OUT 20 NM-
945 AM CDT SAT APR 18 2015

.REST OF TODAY...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING SOUTH
10 TO 15 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET DOMINANT PERIOD
5 SECONDS. SHOWERS AND THUNDERSTORMS.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET DOMINANT
PERIOD 5 SECONDS. SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY LATE IN THE
EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET
DOMINANT PERIOD 6 SECONDS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON.
.SUNDAY NIGHT...WEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
DOMINANT PERIOD 6 SECONDS. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
.MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
DOMINANT PERIOD 6 SECONDS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
DOMINANT PERIOD 6 SECONDS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
.WEDNESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. CHANCE
OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING.

$$

GMZ575-577-190315-
COASTAL WATERS FROM STAKE ISLAND LA TO THE SOUTHWEST PASS OF THE
MISSISSIPPI RIVER FROM 20 TO 60 NM-
COASTAL WATERS FROM PASCAGOULA MS TO STAKE ISLAND LA FROM 20 TO
60 NM-
945 AM CDT SAT APR 18 2015

.REST OF TODAY...SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
DOMINANT PERIOD 6 SECONDS. SHOWERS AND THUNDERSTORMS.
.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET DOMINANT
PERIOD 5 SECONDS. SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN
SHOWERS AND THUNDERSTORMS LIKELY AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS TO 6 FEET DOMINANT PERIOD 6 SECONDS. CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH THE DAY.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET
DOMINANT PERIOD 6 SECONDS. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
.MONDAY...WEST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET DOMINANT
PERIOD 7 SECONDS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH THE DAY.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS BECOMING NORTH
AFTER MIDNIGHT. SEAS 3 TO 5 FEET DOMINANT PERIOD 6 SECONDS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
.WEDNESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. CHANCE
OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING.

$$

GMZ570-572-190315-
COASTAL WATERS FROM PORT FOURCHON TO LOWER ATCHAFALAYA RIVER FROM
20 TO 60 NM-
COASTAL WATERS FROM THE SOUTHWEST PASS OF THE MISSISSIPPI RIVER
TO PORT FOURCHON FROM 20 TO 60 NM-
945 AM CDT SAT APR 18 2015

.REST OF TODAY...EAST WINDS 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO
15 KNOTS LATE IN THE MORNING...THEN BECOMING SOUTH IN THE
AFTERNOON. SEAS 2 TO 4 FEET DOMINANT PERIOD 5 SECONDS. SHOWERS
AND THUNDERSTORMS.
.TONIGHT...SOUTH WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET DOMINANT
PERIOD 5 SECONDS. SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE LATE
EVENING AND EARLY MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET
DOMINANT PERIOD 6 SECONDS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
DOMINANT PERIOD 6 SECONDS. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
.MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
DOMINANT PERIOD 6 SECONDS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH THE DAY.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
DOMINANT PERIOD 6 SECONDS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET. SLIGHT
CHANCE OF SHOWERS IN THE AFTERNOON.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
SLIGHT CHANCE OF SHOWERS.
.WEDNESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET. CHANCE
OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
5 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING.

$$

GMZ530-190315-
LAKE PONTCHARTRAIN AND LAKE MAUREPAS-
945 AM CDT SAT APR 18 2015

.REST OF TODAY...WEST WINDS NEAR 5 KNOTS BECOMING SOUTH 10 TO
15 KNOTS IN THE LATE MORNING AND AFTERNOON. WAVES 1 FOOT OR LESS
DOMINANT PERIOD 2 SECONDS BUILDING TO 1 TO 3 FEET DOMINANT PERIOD
2 SECONDS IN THE AFTERNOON. SHOWERS AND THUNDERSTORMS.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET
DOMINANT PERIOD 2 SECONDS. SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY LATE IN THE
EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 2 FEET
DOMINANT PERIOD 2 SECONDS. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING.
.SUNDAY NIGHT...WEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET
DOMINANT PERIOD 2 SECONDS. SLIGHT CHANCE OF SHOWERS IN THE LATE
EVENING AND EARLY MORNING.
.MONDAY...NORTHWEST WINDS 5 TO 10 KNOTS. WAVES 1 TO 2 FEET
DOMINANT PERIOD 2 SECONDS.
.MONDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET
DOMINANT PERIOD 2 SECONDS.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET.
.TUESDAY NIGHT...EAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 2 FEET.
.WEDNESDAY...EAST WINDS 5 TO 10 KNOTS. WAVES 1 TO 2 FEET. CHANCE
OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. WAVES 1 TO
2 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING.

$$



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