Coastal Waters Forecast
Issued by NWS Lake Charles, LA

Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
000
FZUS54 KLCH 220230
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
930 PM CDT Fri Jul 21 2017

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.

GMZ400-220930-
Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion Bay
930 PM CDT Fri Jul 21 2017

.SYNOPSIS...
Onshore flow becomes the dominant pattern through the weekend
into next week. Shower and thunderstorm chances will be enhanced
this weekend as an upper level low pressure system moves across
the region. Chances of showers and thunderstorms expected to
diminish by early next week as high pressure aloft resumes its
grip over the region.

$$

GMZ430-220930-
Sabine Lake-
930 PM CDT Fri Jul 21 2017

.REST OF TONIGHT...South winds up to 5 knots. Lake waters smooth.
Slight chance of showers and thunderstorms.
.SATURDAY...East winds up to 5 knots becoming south in the
afternoon. Lake waters smooth increasing to a light chop in the
afternoon. Chance of showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters a
light chop. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Lake waters a light
chop. Chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters a
light chop. Slight chance of showers and thunderstorms in the
evening.
.MONDAY...Southwest winds 5 to 10 knots. Lake waters a light
chop. Slight chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters a
light chop.
.TUESDAY...South winds up to 5 knots. Lake waters smooth. Slight
chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds around 5 knots. Lake waters smooth.
.WEDNESDAY...South winds up to 5 knots. Lake waters smooth.
Slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth.

$$

GMZ432-220930-
Calcasieu Lake-
930 PM CDT Fri Jul 21 2017

.REST OF TONIGHT...South winds up to 5 knots. Lake waters smooth.
Chance of showers late in the evening. Slight chance of
thunderstorms through the night. Slight chance of showers after
midnight.
.SATURDAY...Southeast winds up to 5 knots becoming south around
5 knots in the afternoon. Lake waters smooth. Chance of showers
and thunderstorms.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters a
light chop. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Lake waters a light
chop. Chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters a
light chop. Slight chance of showers and thunderstorms in the
evening.
.MONDAY...Southwest winds 5 to 10 knots. Lake waters a light
chop. Slight chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters a
light chop.
.TUESDAY...Southwest winds around 5 knots. Lake waters smooth.
Slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth.
.WEDNESDAY...Southwest winds around 5 knots. Lake waters smooth.
Slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth.

$$

GMZ435-220930-
Vermilion Bay-
930 PM CDT Fri Jul 21 2017

.REST OF TONIGHT...South winds up to 5 knots. Bay waters smooth.
Isolated thunderstorms late in the evening. Chance of showers
through the night. Chance of thunderstorms after midnight.
.SATURDAY...South winds 5 to 10 knots. Bay waters a light chop.
Chance of showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters a
light chop. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Bay waters a light chop.
Chance of showers and thunderstorms in the morning, then showers
and thunderstorms likely in the afternoon.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters a light
chop. Slight chance of showers and thunderstorms in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Bay waters a light chop.
Slight chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters a light
chop.
.TUESDAY...Southwest winds around 5 knots. Bay waters smooth.
Slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters a
light chop.
.WEDNESDAY...Southwest winds around 5 knots. Bay waters smooth.
Slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters a
light chop.

$$

GMZ450-220930-
Coastal waters from Cameron LA to High Island TX out 20 NM-
930 PM CDT Fri Jul 21 2017

.REST OF TONIGHT...South winds 5 to 10 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms.
.SATURDAY...South winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to
2 feet. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Chance
of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
.WEDNESDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.

$$

GMZ452-220930-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
930 PM CDT Fri Jul 21 2017

.REST OF TONIGHT...South winds 5 to 10 knots. Seas 1 foot or
less. Isolated thunderstorms late in the evening. Chance of
showers through the night. Chance of thunderstorms after
midnight.
.SATURDAY...South winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to
2 feet. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Chance
of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
.WEDNESDAY...Southwest winds around 5 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.

$$

GMZ455-220930-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
930 PM CDT Fri Jul 21 2017

.REST OF TONIGHT...South winds 5 to 10 knots. Seas 1 foot or
less. Isolated thunderstorms late in the evening. Chance of
showers through the night. Chance of thunderstorms after
midnight.
.SATURDAY...South winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms in the evening,
then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms in the evening.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.TUESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.WEDNESDAY...Southwest winds around 5 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.

$$

GMZ470-220930-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
930 PM CDT Fri Jul 21 2017

.REST OF TONIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms.
.SATURDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Chance
of showers and thunderstorms.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 1 to 3 feet.
Slight chance of showers and thunderstorms in the evening, then
chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds around 10 knots. Seas 2 to 4 feet.
Chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 4 feet.
Slight chance of showers and thunderstorms in the evening.
.MONDAY...Southwest winds 10 to 15 knots. Seas 2 to 4 feet.
Slight chance of showers and thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 to 4 feet.
.TUESDAY...South winds 5 to 10 knots. Seas 2 to 4 feet. Slight
chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 3 feet.
.WEDNESDAY...South winds 5 to 10 knots. Seas 1 to 3 feet. Slight
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.

$$

GMZ472-220930-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
930 PM CDT Fri Jul 21 2017

.REST OF TONIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated thunderstorms late in the evening. Chance of showers
through the night. Chance of thunderstorms after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds around 10 knots. Seas 1 to
3 feet. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds around 10 knots. Seas 1 to 3 feet.
Chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 2 to
4 feet. Slight chance of showers and thunderstorms in the
evening.
.MONDAY...Southwest winds 5 to 10 knots. Seas 2 to 4 feet. Slight
chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 3 feet.
.TUESDAY...South winds 5 to 10 knots. Seas 1 to 3 feet. Slight
chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
.WEDNESDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to
2 feet.

$$

GMZ475-220930-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
930 PM CDT Fri Jul 21 2017

.REST OF TONIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated thunderstorms late in the evening. Chance of showers
through the night. Chance of thunderstorms after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.
.SATURDAY NIGHT...Southwest winds around 10 knots. Seas 1 to
3 feet. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds around 10 knots. Seas 1 to 3 feet.
Chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds around 10 knots. Seas 1 to
3 feet. Slight chance of showers and thunderstorms in the
evening.
.MONDAY...Southwest winds 5 to 10 knots. Seas 1 to 3 feet. Slight
chance of showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 3 feet.
.TUESDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
.WEDNESDAY...South winds up to 5 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.

$$

25



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.