Coastal Waters Forecast
Issued by NWS Brownsville, TX

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FZUS54 KBRO 310321
CWFBRO

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1021 PM CDT TUE AUG 30 2016

LOWER TEXAS COASTAL WATERS FROM BAFFIN BAY TO THE MOUTH OF THE
RIO GRANDE OUT TO 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 10 PERCENT OF THE WAVES.

GMZ100-311530-
SYNOPSIS FOR BAFFIN BAY TO RIO GRANDE OUT 60 NM-
1021 PM CDT TUE AUG 30 2016

.SYNOPSIS...AN UPPER LEVEL LOW PRESSURE SYSTEM OFF THE SOUTHERN
TEXAS COAST WILL CONTINUE TO BRING WIDESPREAD SHOWERS AND SOME
THUNDERSTORMS ACTIVITY TO THE LOCAL WATERS. THIS LOW PRESSURE WILL
DRIFT SOUTH AND EAST KEEPING RAINFALL CHANCES OVER THE COASTAL
AREAS WEDNESDAY BEFORE CHANCES DECREASE LATE IN THE WEEK. ALTHOUGH
NORTHEAST TO EAST WINDS WILL GENERALLY BE LIGHT TO MODERATE...A
LONG FETCH OF BREEZY WINDS ACROSS THE ENTIRE GULF OF MEXICO WILL
PRODUCE SWELLS THAT WILL APPROACH THE LOWER TEXAS COAST FROM
ROUGHLY THE EAST TONIGHT THROUGH LATE IN THE WEEK. MARINE
CONDITIONS WILL IMPROVE TOWARDS THE END OF THE WEEK AND INTO THE
WEEKEND AS THE SWELLS SUBSIDE.

$$

GMZ130-132-135-311530-
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO-
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT
MANSFIELD TX-
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX-
1021 PM CDT TUE AUG 30 2016

.REST OF TONIGHT...EAST WINDS 7 TO 10 KNOTS IN THE LATE EVENING
AND EARLY MORNING BECOMING LIGHT. A LIGHT CHOP ON THE BAY
SUBSIDING TO SMOOTH EARLY IN THE MORNING. CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS.
.WEDNESDAY...NORTH WINDS 7 TO 8 KNOTS BECOMING NORTHEAST 10 TO
14 KNOTS. A LIGHT CHOP ON THE BAY  INCREASING TO A MODERATE CHOP.
CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 7 TO 12 KNOTS DIMINISHING TO
7 TO 9 KNOTS LATE IN THE EVENING...THEN BECOMING LIGHT AFTER
MIDNIGHT. A LIGHT CHOP ON THE BAY  SUBSIDING TO SMOOTH AFTER
MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
.THURSDAY...NORTHEAST WINDS 7 TO 11 KNOTS BECOMING 7 TO 10 KNOTS
LATE IN THE AFTERNOON. A LIGHT CHOP ON THE BAY. CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING...THEN SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
.THURSDAY NIGHT...EAST WINDS 7 TO 9 KNOTS EARLY IN THE EVENING
BECOMING LIGHT. A LIGHT CHOP ON THE BAY  SUBSIDING TO SMOOTH IN
THE LATE EVENING AND OVERNIGHT.
.FRIDAY...NORTH WINDS AROUND 7 KNOTS SHIFTING EAST 7 TO 10 KNOTS
IN THE LATE MORNING AND AFTERNOON. A LIGHT CHOP ON THE BAY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
.FRIDAY NIGHT...SOUTHEAST WINDS 7 TO 9 KNOTS. A LIGHT CHOP ON THE
BAY.
.SATURDAY...EAST WINDS 7 TO 10 KNOTS. A LIGHT CHOP ON THE BAY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.SATURDAY NIGHT...SOUTHEAST WINDS 7 TO 10 KNOTS. A LIGHT CHOP ON
THE BAY.
.SUNDAY...SOUTHEAST WINDS 9 TO 14 KNOTS. A MODERATE CHOP ON THE
BAY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.SUNDAY NIGHT...SOUTHEAST WINDS 9 TO 14 KNOTS. A MODERATE CHOP ON
THE BAY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.

$$

GMZ150-155-311530-
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
1021 PM CDT TUE AUG 30 2016

.REST OF TONIGHT...EAST WINDS 7 TO 12 KNOTS. SEAS 1 TO 3 FEET.
CHANCE OF SHOWERS LATE IN THE EVENING. ISOLATED THUNDERSTORMS
THROUGH THE NIGHT. SHOWERS LIKELY AFTER MIDNIGHT.
.WEDNESDAY...NORTHEAST WINDS 7 TO 9 KNOTS INCREASING TO 9 TO
14 KNOTS IN THE LATE MORNING AND AFTERNOON. SEAS 1 TO 3 FEET.
CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 7 TO 12 KNOTS SHIFTING NORTH
7 TO 8 KNOTS EARLY IN THE MORNING. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. CHANCE OF SHOWERS AND
THUNDERSTORMS.
.THURSDAY...NORTH WINDS 7 TO 11 KNOTS SHIFTING NORTHEAST 8 TO
11 KNOTS LATE IN THE AFTERNOON. SEAS 2 TO 3 FEET. CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH THE DAY.
.THURSDAY NIGHT...EAST WINDS 7 TO 9 KNOTS UNTIL EARLY MORNING
BECOMING LIGHT. SEAS 2 TO 3 FEET. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
.FRIDAY...NORTH WINDS AROUND 7 KNOTS SHIFTING EAST 7 TO 10 KNOTS
IN THE LATE MORNING AND AFTERNOON. SEAS 2 TO 3 FEET. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
.FRIDAY NIGHT...EAST WINDS 7 TO 9 KNOTS. SEAS 2 FEET OR LESS.
.SATURDAY...EAST WINDS 7 TO 10 KNOTS. SEAS 2 FEET OR LESS. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
.SATURDAY NIGHT...SOUTHEAST WINDS 7 TO 12 KNOTS. SEAS 2 FEET OR
LESS. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.SUNDAY...SOUTHEAST WINDS 8 TO 13 KNOTS. SEAS 2 FEET OR LESS.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.SUNDAY NIGHT...SOUTHEAST WINDS 9 TO 14 KNOTS. SEAS 1 TO 2 FEET.
CHANCE OF SHOWERS AND THUNDERSTORMS.

$$

GMZ170-175-311530-
WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM 20 TO
60 NM-
WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM 20 TO
60 NM-
1021 PM CDT TUE AUG 30 2016

.REST OF TONIGHT...EAST WINDS 10 TO 13 KNOTS DIMINISHING TO 7 TO
12 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS UP
TO 6 FEET. SHOWERS LATE IN THE EVENING. ISOLATED THUNDERSTORMS
THROUGH THE NIGHT. SHOWERS LIKELY AFTER MIDNIGHT.
.WEDNESDAY...NORTHEAST WINDS 7 TO 10 KNOTS INCREASING TO 9 TO
14 KNOTS IN THE LATE MORNING AND AFTERNOON. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. CHANCE OF SHOWERS AND
THUNDERSTORMS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 9 TO 14 KNOTS DIMINISHING TO
7 TO 9 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET WITH OCCASIONAL
SEAS UP TO 6 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.
.THURSDAY...NORTHEAST WINDS 7 TO 11 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS
THROUGH THE DAY.
.THURSDAY NIGHT...NORTHEAST WINDS 7 TO 9 KNOTS. SEAS 2 TO 3 FEET.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.FRIDAY...NORTHEAST WINDS 7 TO 10 KNOTS. SEAS 2 TO 3 FEET. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
.FRIDAY NIGHT...EAST WINDS 7 TO 9 KNOTS. SEAS 2 FEET OR LESS.
.SATURDAY...EAST WINDS 7 TO 10 KNOTS. SEAS 2 FEET OR LESS. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
.SATURDAY NIGHT...SOUTHEAST WINDS 9 TO 13 KNOTS. SEAS 1 TO
2 FEET. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.SUNDAY...SOUTHEAST WINDS 8 TO 13 KNOTS. SEAS 1 TO 2 FEET. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 13 KNOTS. SEAS 2 TO 3 FEET.
CHANCE OF SHOWERS AND THUNDERSTORMS.

$$



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