Coastal Waters Forecast
Issued by NWS Brownsville, TX

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139
FZUS54 KBRO 240307
CWFBRO

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1007 PM CDT TUE MAY 23 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.

GMZ100-241515-
SYNOPSIS FOR BAFFIN BAY TO RIO GRANDE OUT 60 NM-
1007 PM CDT TUE MAY 23 2017

.SYNOPSIS...A WEAK COLD FRONT WILL MOVE THROUGH THE COASTAL WATERS
TONIGHT AND WINDS WILL SHIFT TO THE NORTHEAST AND INCREASE LATE
TONIGHT INTO EARLY WEDNESDAY MORNING. SCATTERED SHOWERS
AND THUNDERSTORMS ARE ALSO EXPECTED ALONG THE FRONT TONIGHT WITH
A FEW STRONG STORMS POSSIBLE WITH GUSTY WINDS AND LARGE HAIL.
SOUTHEAST WINDS QUICKLY RETURN WEDNESDAY NIGHT BECOMING STRONG
THURSDAY AND FRIDAY AS LOW PRESSURE DEVELOPS IN WEST TEXAS. SMALL
CRAFT ADVISORIES MAY BE NECESSARY WEDNESDAY MORNING AND AGAIN
THURSDAY AND FRIDAY BEFORE MORE MODERATE MARINE CONDITIONS RETURN
SATURDAY.

$$

GMZ130-132-135-241515-
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-
1007 PM CDT TUE MAY 23 2017

.REST OF TONIGHT...NORTHEAST WINDS 9 TO 14 KNOTS BECOMING NORTH
14 TO 19 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY
INCREASING TO CHOPPY AFTER MIDNIGHT. CHANCE OF SHOWERS AND
THUNDERSTORMS.
.WEDNESDAY...NORTH WINDS 14 TO 19 KNOTS BECOMING NORTHEAST 8 TO
13 KNOTS EARLY IN THE AFTERNOON, THEN SHIFTING EAST 7 TO 10 KNOTS
LATE IN THE AFTERNOON. CHOPPY ON THE BAY SUBSIDING TO A MODERATE
CHOP EARLY IN THE AFTERNOON, THEN SUBSIDING TO A LIGHT CHOP LATE
IN THE AFTERNOON.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 9 TO 14 KNOTS BECOMING SOUTH
12 TO 17 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY.
.THURSDAY...SOUTH WINDS 13 TO 18 KNOTS BECOMING SOUTHEAST 17 TO
22 KNOTS IN THE LATE MORNING AND AFTERNOON. CHOPPY ON THE BAY
INCREASING TO ROUGH IN THE LATE MORNING AND AFTERNOON.
.THURSDAY NIGHT...SOUTH WINDS 18 TO 22 KNOTS. ROUGH ON THE BAY.
.FRIDAY...SOUTHEAST WINDS 17 TO 21 KNOTS. CHOPPY ON THE BAY.
.FRIDAY NIGHT...SOUTHEAST WINDS 16 TO 20 KNOTS. CHOPPY ON THE
BAY.
.SATURDAY...SOUTHEAST WINDS 16 TO 19 KNOTS. CHOPPY ON THE BAY.
.SATURDAY NIGHT...SOUTHEAST WINDS 14 TO 19 KNOTS. CHOPPY ON THE
BAY.
.SUNDAY...SOUTHEAST WINDS 16 TO 19 KNOTS. CHOPPY ON THE BAY.
.SUNDAY NIGHT...SOUTHEAST WINDS 13 TO 18 KNOTS. CHOPPY ON THE
BAY. SLIGHT CHANCE OF SHOWERS.

$$

GMZ150-155-241515-
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
1007 PM CDT TUE MAY 23 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TONIGHT...NORTHEAST WINDS 11 TO 16 KNOTS BECOMING NORTH
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET BUILDING TO 3 TO
5 FEET WITH OCCASIONAL SEAS UP TO 6 FEET EARLY IN THE MORNING.
CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY...NORTH WINDS 14 TO 19 KNOTS DIMINISHING TO 10 TO
15 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING NORTHEAST 7 TO
10 KNOTS LATE IN THE AFTERNOON. SEAS 4 TO 6 FEET WITH OCCASIONAL
SEAS UP TO 8 FEET SUBSIDING TO 2 TO 4 FEET WITH OCCASIONAL SEAS
UP TO 5 FEET LATE IN THE AFTERNOON.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO
13 TO 18 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET WITH OCCASIONAL
SEAS UP TO 5 FEET.
.THURSDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 19 TO
23 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET WITH OCCASIONAL SEAS
UP TO 6 FEET.
.THURSDAY NIGHT...SOUTH WINDS 19 TO 24 KNOTS. SEAS 5 TO 7 FEET
WITH OCCASIONAL SEAS UP TO 9 FEET.
.FRIDAY...SOUTH WINDS 18 TO 23 KNOTS SHIFTING SOUTHEAST 17 TO
20 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS
UP TO 9 FEET SUBSIDING TO 3 TO 5 FEET WITH OCCASIONAL SEAS UP TO
6 FEET LATE IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTHEAST WINDS 18 TO 21 KNOTS. SEAS 3 TO 5 FEET
WITH OCCASIONAL SEAS UP TO 6 FEET.
.SATURDAY...SOUTHEAST WINDS 17 TO 20 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 16 TO 20 KNOTS. SEAS 4 TO
6 FEET WITH OCCASIONAL SEAS UP TO 8 FEET.
.SUNDAY...SOUTHEAST WINDS 17 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 13 TO 18 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF SHOWERS.

$$

GMZ170-175-241515-
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-
1007 PM CDT TUE MAY 23 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.REST OF TONIGHT...NORTHEAST WINDS 9 TO 14 KNOTS BECOMING NORTH
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET WITH OCCASIONAL
SEAS UP TO 6 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY...NORTH WINDS 15 TO 19 KNOTS DIMINISHING TO 11 TO
16 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING NORTHEAST 7 TO
11 KNOTS LATE IN THE AFTERNOON. SEAS 4 TO 6 FEET WITH OCCASIONAL
SEAS UP TO 8 FEET.
.WEDNESDAY NIGHT...EAST WINDS 7 TO 11 KNOTS BECOMING SOUTHEAST
13 TO 18 KNOTS IN THE LATE EVENING AND OVERNIGHT. SEAS 2 TO
4 FEET WITH OCCASIONAL SEAS UP TO 5 FEET.
.THURSDAY...SOUTH WINDS 14 TO 18 KNOTS INCREASING TO 17 TO
22 KNOTS IN THE LATE MORNING AND AFTERNOON. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.
.THURSDAY NIGHT...SOUTH WINDS 19 TO 24 KNOTS. SEAS 5 TO 7 FEET
WITH OCCASIONAL SEAS UP TO 9 FEET.
.FRIDAY...SOUTH WINDS 18 TO 23 KNOTS SHIFTING SOUTHEAST 17 TO
20 KNOTS IN THE AFTERNOON. SEAS 4 TO 7 FEET WITH OCCASIONAL SEAS
UP TO 10 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 18 TO 21 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET.
.SATURDAY...SOUTH WINDS 16 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 17 TO 20 KNOTS. SEAS 5 TO
7 FEET WITH OCCASIONAL SEAS UP TO 9 FEET.
.SUNDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 13 TO 18 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF SHOWERS.

$$



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