Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 201513
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
913 AM CST Sat Jan 20 2018

Coastal waters from the Lower Atchafalaya River LA to High
Island TX out 60 nautical miles including Sabine and
Calcasieu Lakes and Vermilion Bay

Seas are provided as a range of the average height of the
highest one third of the waves...along with the occasional
height of the average highest ten percent of the waves.

GMZ400-210415-
Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion Bay
913 AM CST Sat Jan 20 2018

.SYNOPSIS...
Moderate onshore flow will persist over the weekend, as high
pressure moves off to the east and a storm system develops over
the Rockies. The onshore flow will begin to push some warmer and
moist air over the coastal waters with the possibility of patchy
sea fog tonight into Sunday morning. The storm system will push a
cold front across the coastal waters early Monday morning with
showers and thunderstorms. Moderate offshore flow is then
expected to develop behind the front and continue through mid-
week.

$$

GMZ430-210415-
Sabine Lake-
913 AM CST Sat Jan 20 2018

.TODAY...Southeast winds around 10 knots. Lake waters a light
chop. Chance of rain showers through the day. Patchy fog in the
afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Lake waters a light
chop. Patchy fog in the evening. Areas of fog after midnight.
Slight chance of rain showers through the night.
.SUNDAY...South winds 5 to 10 knots. Lake waters a light chop.
Areas of fog in the morning. Slight chance of rain showers
through the day.
.SUNDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
Chance of rain showers and slight chance of thunderstorms in the
evening, then rain showers and chance of thunderstorms after
midnight.
.MONDAY...Northwest winds 5 to 10 knots. Lake waters a light
chop. Chance of rain showers in the morning.
.MONDAY NIGHT...North winds 5 to 10 knots. Lake waters a light
chop.
.TUESDAY...North winds 5 to 10 knots. Lake waters a light chop.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters a
light chop.
.WEDNESDAY...Northeast winds 5 to 10 knots. Lake waters a light
chop.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters a
light chop.

$$

GMZ432-210415-
Calcasieu Lake-
913 AM CST Sat Jan 20 2018

.TODAY...Southeast winds 5 to 10 knots. Lake waters a light chop.
Chance of rain showers in the morning, then slight chance of rain
showers in the afternoon. Patchy fog in the afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Lake waters a light
chop. Patchy fog. Slight chance of rain showers.
.SUNDAY...South winds 5 to 10 knots. Lake waters a light chop.
Patchy fog in the morning. Slight chance of rain showers through
the day.
.SUNDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
Chance of rain showers and slight chance of thunderstorms in the
evening, then rain showers and chance of thunderstorms after
midnight.
.MONDAY...West winds 5 to 10 knots. Lake waters a light chop.
Chance of rain showers and slight chance of thunderstorms in the
morning.
.MONDAY NIGHT...North winds 5 to 10 knots. Lake waters a light
chop.
.TUESDAY...North winds 5 to 10 knots. Lake waters a light chop.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters a
light chop.
.WEDNESDAY...Northeast winds 5 to 10 knots. Lake waters a light
chop.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters a
light chop.

$$

GMZ435-210415-
Vermilion Bay-
913 AM CST Sat Jan 20 2018

.TODAY...Southeast winds 10 to 15 knots. Bay waters choppy.
Chance of rain showers in the morning, then slight chance of rain
showers in the afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Bay waters a light
chop. Patchy fog.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters a light chop.
Patchy fog in the morning.
.SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy.
Slight chance of rain showers in the evening, then rain showers
likely and chance of thunderstorms after midnight.
.MONDAY...Southwest winds around 10 knots becoming northwest in
the afternoon. Bay waters a light chop. Rain showers likely and
slight chance of thunderstorms in the morning.
.MONDAY NIGHT...North winds 5 to 10 knots. Bay waters a light
chop.
.TUESDAY...North winds 5 to 10 knots. Bay waters a light chop.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters a
light chop.
.WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters a light
chop.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters a
light chop.

$$

GMZ450-210415-
Coastal waters from Cameron LA to High Island TX out 20 NM-
913 AM CST Sat Jan 20 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Chance
of rain showers in the morning, then slight chance of rain
showers in the afternoon. Patchy fog in the afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Patchy fog in the evening. Areas of fog after midnight. Slight
chance of rain showers through the night.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Areas
of fog in the morning. Patchy fog in the afternoon. Slight chance
of rain showers through the day.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
Chance of rain showers and slight chance of thunderstorms in the
evening, then rain showers and chance of thunderstorms after
midnight.
.MONDAY...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
Chance of rain showers and slight chance of thunderstorms in the
morning.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 1 to 2 feet.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to
2 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to
3 feet.

$$

GMZ452-210415-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
913 AM CST Sat Jan 20 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet. Chance
of rain showers in the morning, then slight chance of rain
showers in the afternoon. Patchy fog in the afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Patchy fog.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Patchy fog through the day. Slight chance of rain showers in the
afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 1 to 3 feet.
Slight chance of showers and thunderstorms in the evening, then
rain showers likely and chance of thunderstorms after midnight.
.MONDAY...West winds 10 to 15 knots. Seas 1 to 3 feet. Chance of
rain showers and slight chance of thunderstorms in the morning.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 1 to 3 feet.
.TUESDAY...North winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to
2 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to
3 feet.

$$

GMZ455-210415-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
913 AM CST Sat Jan 20 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 1 foot or less.
Chance of rain showers in the morning, then slight chance of rain
showers in the afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 1 foot or less.
Patchy fog.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 1 foot or less.
Patchy fog in the morning.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Slight chance of rain showers in the evening, then chance of rain
showers and slight chance of thunderstorms after midnight.
.MONDAY...Southwest winds 10 to 15 knots becoming west in the
afternoon. Seas 1 to 3 feet. Rain showers likely and slight
chance of thunderstorms in the morning.
.MONDAY NIGHT...North winds 10 to 15 knots. Seas 1 to 3 feet.
.TUESDAY...North winds 10 to 15 knots. Seas 1 foot or less.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 foot or
less.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 1 to
3 feet.

$$

GMZ470-210415-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
913 AM CST Sat Jan 20 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Chance
of rain showers in the morning, then slight chance of rain
showers in the afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Patchy fog.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Patchy fog in the morning.
.SUNDAY NIGHT...South winds around 15 knots. Seas 3 to 5 feet.
Slight chance of showers and thunderstorms in the evening, then
rain showers likely and chance of thunderstorms after midnight.
.MONDAY...Northwest winds 10 to 15 knots. Seas 3 to 5 feet.
Chance of rain showers and slight chance of thunderstorms in the
morning.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 2 to 4 feet.
.TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
.TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to
4 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas 3 to 6 feet
with occasional seas up to 7 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to
6 feet with occasional seas up to 7 feet.

$$

GMZ472-210415-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
913 AM CST Sat Jan 20 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Chance
of rain showers in the morning, then slight chance of rain
showers in the afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Patchy fog.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Patchy fog in the morning.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 5 feet.
Slight chance of rain showers in the evening, then chance of rain
showers and slight chance of thunderstorms after midnight.
.MONDAY...Southwest winds 10 to 15 knots becoming northwest 15 to
20 knots in the afternoon. Seas 3 to 5 feet. Chance of rain
showers and slight chance of thunderstorms in the morning.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 5 feet.
.TUESDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to
4 feet.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to
6 feet with occasional seas up to 7 feet.

$$

GMZ475-210415-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
913 AM CST Sat Jan 20 2018

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Chance
of rain showers in the morning, then slight chance of rain
showers in the afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Patchy fog.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Patchy fog in the morning.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
Chance of rain showers and slight chance of thunderstorms after
midnight.
.MONDAY...Southwest winds 10 to 15 knots becoming northwest 15 to
20 knots in the afternoon. Seas 3 to 5 feet. Rain showers likely
and slight chance of thunderstorms in the morning.
.MONDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 6 feet with
occasional seas up to 7 feet.
.TUESDAY...North winds 15 to 20 knots. Seas 3 to 5 feet.
.TUESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to
4 feet.
.WEDNESDAY...Northeast winds 15 to 20 knots. Seas 3 to 6 feet
with occasional seas up to 7 feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to
6 feet with occasional seas up to 7 feet.

$$

05


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