Coastal Waters Forecast
Issued by NWS Brownsville, TX

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202
FZUS54 KBRO 291812 AAA
CWFBRO

COASTAL WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE BROWNSVILLE TX
112 PM CDT WED MAR 29 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

GMZ100-300000-
SYNOPSIS FOR BAFFIN BAY TO RIO GRANDE OUT 60 NM-
112 PM CDT WED MAR 29 2017

.SYNOPSIS...HAZARDOUS SEAS WILL CONTINUE ACROSS THE GULF WATERS
THIS AFTERNOON...MAINLY BEYOND 20 NAUTICAL MILES...AS ELEVATED
SWELLS CONTINUE TO MOVE ACROSS THE WESTERN GULF OF MEXICO. WINDS
WILL BACK TO THE SOUTHEAST TONIGHT 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.

$$

GMZ130-132-135-300000-
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-
112 PM CDT WED MAR 29 2017

.REST OF TODAY...NORTHEAST WINDS 7 TO 8 KNOTS SHIFTING EAST LATE
IN THE AFTERNOON. A LIGHT CHOP ON THE BAY.
.TONIGHT...SOUTHEAST WINDS 7 TO 9 KNOTS SHIFTING SOUTH AFTER
MIDNIGHT, THEN 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. ISOLATED 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 15 TO 19 KNOTS. CHOPPY ON THE BAY.
.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 RAIN AND SLIGHT CHANCE OF THUNDERSTORMS.
.SUNDAY NIGHT...NORTHWEST WINDS 9 TO 12 KNOTS. A MODERATE CHOP ON
THE BAY.

$$

GMZ150-155-300000-
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
112 PM CDT WED MAR 29 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION THIS AFTERNOON...

.REST OF TODAY...SOUTHEAST WINDS 7 TO 10 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET.
.TONIGHT...SOUTHEAST WINDS 7 TO 10 KNOTS SHIFTING SOUTH AFTER
MIDNIGHT, THEN BECOMING WEST 11 TO 16 KNOTS EARLY IN THE MORNING.
SEAS 3 TO 5 FEET WITH OCCASIONAL SEAS UP TO 6 FEET. ISOLATED
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 16 TO 21 KNOTS. 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 RAIN 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 RAIN.

$$

GMZ170-175-300000-
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-
112 PM CDT WED MAR 29 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.REST OF TODAY...SOUTH WINDS 8 TO 13 KNOTS DIMINISHING TO 7 TO
10 KNOTS LATE IN THE AFTERNOON. SEAS 5 TO 8 FEET WITH OCCASIONAL
SEAS UP TO 9 FEET.
.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 8 FEET. ISOLATED 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 4 TO 6 FEET WITH OCCASIONAL
SEAS UP TO 8 FEET. ISOLATED 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 16 TO 21 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 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 RAIN 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 RAIN.

$$



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