Coastal Waters Forecast
Issued by NWS Brownsville, TX

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000
FZUS54 KBRO 300530 AAA
CWFBRO

COASTAL WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1230 AM CDT THU MAR 30 2017

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

GMZ100-300930-
SYNOPSIS FOR BAFFIN BAY TO RIO GRANDE OUT 60 NM-
1230 AM CDT THU MAR 30 2017

.SYNOPSIS...SOUTHEAST WINDS WILL CONTINUE OVERNIGHT BEFORE A WEAK COLD FRONT
MOVES THROUGH THE COASTAL WATERS LATE TONIGHT. WINDS  WILL SHIFT
TO THE NORTHWEST AND INCREASE THURSDAY MORNING. SMALL  CRAFT
ADVISORIES WILL BE NEEDED FOR THE LAGUNA MADRE AND GULF  WATERS
THURSDAY MORNING FOR STRONG NORTHWEST WINDS IN THE WAKE OF  THE
FRONT. WINDS WILL DIMINISH AND VEER TO THE NORTHEAST THURSDAY
AFTERNOON AS HIGH PRESSURE MOVES OVER THE NORTHWEST GULF OF
MEXICO.

$$

GMZ130-132-135-300930-
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-
1230 AM CDT THU MAR 30 2017

.REST OF TONIGHT...SOUTHEAST WINDS 7 TO 9 KNOTS BECOMING WEST
10 TO 15 KNOTS EARLY IN THE MORNING. A LIGHT CHOP ON THE BAY
INCREASING TO A MODERATE CHOP EARLY IN THE MORNING. SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
.THURSDAY...NORTH WINDS 18 TO 23 KNOTS DIMINISHING TO 13 TO
18 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING NORTHEAST 8 TO
12 KNOTS LATE IN THE AFTERNOON. ROUGH ON THE BAY SUBSIDING TO
CHOPPY EARLY IN THE AFTERNOON, THEN SUBSIDING TO A LIGHT CHOP
LATE IN THE AFTERNOON.
.THURSDAY NIGHT...SOUTHEAST WINDS 7 TO 11 KNOTS. A LIGHT CHOP ON
THE BAY.
.FRIDAY...SOUTH WINDS 9 TO 12 KNOTS BECOMING SOUTHEAST 15 TO
19 KNOTS. A MODERATE CHOP ON THE BAY INCREASING TO CHOPPY.
.FRIDAY NIGHT...SOUTHEAST WINDS 15 TO 19 KNOTS. CHOPPY ON THE
BAY.
.SATURDAY...SOUTHEAST WINDS 16 TO 19 KNOTS DIMINISHING TO 13 TO
17 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN INCREASING
TO 16 TO 19 KNOTS LATE IN THE AFTERNOON. CHOPPY ON THE BAY
SUBSIDING TO A MODERATE CHOP IN THE LATE MORNING AND EARLY
AFTERNOON, THEN INCREASING TO CHOPPY LATE IN THE AFTERNOON.
.SATURDAY NIGHT...SOUTHEAST WINDS 14 TO 18 KNOTS. CHOPPY ON THE
BAY.
.SUNDAY...SOUTH WINDS 11 TO 16 KNOTS. A MODERATE CHOP ON THE BAY.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
.SUNDAY NIGHT...NORTHWEST WINDS 9 TO 12 KNOTS. A MODERATE CHOP ON
THE BAY.
.MONDAY...NORTHWEST WINDS 8 TO 12 KNOTS. A LIGHT CHOP ON THE BAY.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 14 KNOTS. A MODERATE CHOP
ON THE BAY.

$$

GMZ150-155-300930-
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
1230 AM CDT THU MAR 30 2017

.REST OF TONIGHT...SOUTHEAST WINDS 7 TO 10 KNOTS BECOMING WEST
11 TO 16 KNOTS EARLY IN THE MORNING. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
.THURSDAY...NORTH WINDS 19 TO 24 KNOTS DIMINISHING TO 14 TO
19 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING NORTHEAST 9 TO
14 KNOTS LATE IN THE AFTERNOON. SEAS 4 TO 6 FEET WITH OCCASIONAL
SEAS UP TO 8 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 7 TO 12 KNOTS. SEAS 3 TO 5 FEET
WITH OCCASIONAL SEAS UP TO 6 FEET.
.FRIDAY...SOUTH WINDS 11 TO 16 KNOTS BECOMING SOUTHEAST 14 TO
19 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS
UP TO 5 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 17 TO 21 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET.
.SATURDAY...SOUTHEAST WINDS 17 TO 21 KNOTS DIMINISHING TO 15 TO
19 KNOTS IN THE LATE MORNING AND AFTERNOON. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF RAIN.
.SATURDAY NIGHT...SOUTHEAST WINDS 15 TO 18 KNOTS. SEAS 3 TO
5 FEET WITH OCCASIONAL SEAS UP TO 6 FEET.
.SUNDAY...SOUTHEAST WINDS 13 TO 18 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS.
.SUNDAY NIGHT...NORTH WINDS 10 TO 14 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
.MONDAY...NORTHWEST WINDS 9 TO 14 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 11 TO 15 KNOTS. SEAS 3 TO 5 FEET
WITH OCCASIONAL SEAS UP TO 6 FEET.

$$

GMZ170-175-300930-
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-
1230 AM CDT THU MAR 30 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TONIGHT...SOUTHEAST WINDS 7 TO 11 KNOTS SHIFTING
SOUTHWEST 9 TO 14 KNOTS EARLY IN THE MORNING. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 9 FEET. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
.THURSDAY...NORTH WINDS 19 TO 24 KNOTS DIMINISHING TO 16 TO
21 KNOTS EARLY IN THE AFTERNOON, THEN DIMINISHING TO 11 TO
16 KNOTS LATE IN THE AFTERNOON. SEAS 5 TO 7 FEET WITH OCCASIONAL
SEAS UP TO 9 FEET. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE MORNING.
.THURSDAY NIGHT...EAST WINDS 7 TO 10 KNOTS SHIFTING SOUTHEAST
8 TO 13 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET WITH OCCASIONAL
SEAS UP TO 6 FEET.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST 13 TO
18 KNOTS IN THE LATE MORNING AND AFTERNOON. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 17 TO 22 KNOTS. SEAS 5 TO 7 FEET
WITH OCCASIONAL SEAS UP TO 9 FEET.
.SATURDAY...SOUTHEAST WINDS 17 TO 22 KNOTS DIMINISHING TO 14 TO
18 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS
UP TO 9 FEET. SLIGHT CHANCE OF RAIN.
.SATURDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO
6 FEET WITH OCCASIONAL SEAS UP TO 8 FEET.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
.MONDAY...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET
WITH OCCASIONAL SEAS UP TO 6 FEET.

$$



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