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National Weather Service Marine Forecast FZUS54 KBRO

FZUS54 KBRO 300910
CWFBRO

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
410 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

GMZ100-301530-
SYNOPSIS FOR BAFFIN BAY TO RIO GRANDE OUT 60 NM-
410 AM CDT THU MAR 30 2017

SYNOPSIS
 A WEAK COLD FRONT WILL MOVE OFFSHORE THE LOWER TEXAS
COAST THIS MORNING AND THE PRESSURE GRADIENT WILL INCREASE IN THE
WAKE OF THE FRONT. WINDS WILL SHIFT TO THE NORTHWEST AND INCREASE
THIS MORNING AS A RESULT. SURFACE HIGH PRESSURE WILL SETTLE
ACROSS DEEP SOUTH TEXAS THIS AFTERNOON AND THIS WILL ALLOW THE
PRESSURE GRADIENT TO WEAKEN ACROSS THE LOWER TEXAS COAST THIS
AFTERNOON. LIGHT TO MODERATE NORTH WINDS THIS AFTERNOON WILL VEER
TO THE EAST AND DIMINISH TONIGHT AS THE SURFACE RIDGE MOVES
EASTWARD ACROSS THE WESTERN GULF OF MEXICO. WINDS WILL VEER TO THE
SOUTH AND INCREASE FRIDAY AS LOW PRESSURE DEVELOPS ACROSS WEST
TEXAS AND HIGH PRESSURE OVER THE WESTERN GULF OF MEXICO MOVES
EASTWARD ALLOWING THE PRESSURE GRADIENT TO INCREASE ACROSS THE
LOWER TEXAS COAST.



GMZ130-132-135-301530-
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-
410 AM CDT THU MAR 30 2017

...SMALL CRAFT ADVISORY FOR WINDS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

TODAY
NORTH WINDS 18 TO 23 KNOTS DIMINISHING TO 11 TO 16 KNOTS
EARLY IN THE AFTERNOON, THEN BECOMING NORTHEAST 7 TO 11 KNOTS
LATE. ROUGH ON THE BAY SUBSIDING TO A MODERATE CHOP EARLY IN THE
AFTERNOON, THEN SUBSIDING TO A LIGHT CHOP LATE.

TONIGHT
SOUTHEAST WINDS 7 TO 12 KNOTS BECOMING SOUTH 11 TO
14 KNOTS EARLY IN THE MORNING. A LIGHT CHOP ON THE BAY INCREASING
TO A MODERATE CHOP EARLY IN THE MORNING.

FRIDAY
SOUTH WINDS 12 TO 16 KNOTS BECOMING SOUTHEAST 15 TO
20 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY INCREASING
TO CHOPPY IN THE AFTERNOON.

FRIDAY NIGHT
SOUTHEAST WINDS 14 TO 19 KNOTS. CHOPPY ON THE
BAY.

SATURDAY
SOUTHEAST WINDS 13 TO 17 KNOTS. A MODERATE CHOP ON
THE BAY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.

SATURDAY NIGHT
SOUTHEAST WINDS 11 TO 16 KNOTS. A MODERATE CHOP
ON THE BAY.

SUNDAY
SOUTH WINDS 9 TO 14 KNOTS. A MODERATE CHOP ON THE BAY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.

SUNDAY NIGHT
NORTH WINDS 7 TO 12 KNOTS. A LIGHT CHOP ON THE
BAY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.

MONDAY
NORTH WINDS 7 TO 11 KNOTS. A LIGHT CHOP ON THE BAY.

MONDAY NIGHT
SOUTHEAST WINDS 9 TO 13 KNOTS. A MODERATE CHOP ON
THE BAY.



GMZ150-155-301530-
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
410 AM CDT THU MAR 30 2017

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING


TODAY
NORTH WINDS 20 TO 25 KNOTS DIMINISHING TO 14 TO 19 KNOTS
EARLY IN THE AFTERNOON, THEN BECOMING NORTHEAST 8 TO 13 KNOTS
LATE. SEAS 3 TO 5 FEET WITH OCCASIONAL SEAS UP TO 6 FEET BUILDING
TO 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 FEET IN THE
AFTERNOON.

TONIGHT
EAST WINDS 7 TO 12 KNOTS SHIFTING SOUTHEAST 9 TO
13 KNOTS AFTER MIDNIGHT, THEN SHIFTING SOUTH 11 TO 16 KNOTS EARLY
IN THE MORNING. SEAS 3 TO 5 FEET WITH OCCASIONAL SEAS UP TO
6 FEET.

FRIDAY
SOUTH WINDS 13 TO 18 KNOTS BECOMING SOUTHEAST 17 TO
20 KNOTS LATE IN THE AFTERNOON. SEAS 2 TO 4 FEET WITH OCCASIONAL
SEAS UP TO 5 FEET.

FRIDAY NIGHT
SOUTHEAST WINDS 16 TO 19 KNOTS. SEAS 5 TO 7 FEET
WITH OCCASIONAL SEAS UP TO 9 FEET.

SATURDAY
SOUTHEAST WINDS 14 TO 19 KNOTS DIMINISHING TO 12 TO
16 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS
UP TO 9 FEET.

SATURDAY NIGHT
SOUTHEAST WINDS 12 TO 16 KNOTS. SEAS 4 TO
6 FEET WITH OCCASIONAL SEAS UP TO 8 FEET.

SUNDAY
SOUTH WINDS 11 TO 16 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.

SUNDAY NIGHT
NORTH WINDS 9 TO 14 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.

MONDAY
NORTH WINDS 8 TO 13 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.

MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET.



GMZ170-175-301530-
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-
410 AM CDT THU MAR 30 2017

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING


TODAY
NORTH WINDS 20 TO 25 KNOTS DIMINISHING TO 9 TO 14 KNOTS.
SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS UP TO 9 FEET. ISOLATED
SHOWERS AND THUNDERSTORMS IN THE MORNING.

TONIGHT
NORTHEAST WINDS 7 TO 10 KNOTS SHIFTING SOUTHEAST 7 TO
12 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN INCREASING
TO 10 TO 15 KNOTS EARLY IN THE MORNING. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.

FRIDAY
SOUTH WINDS 12 TO 16 KNOTS BECOMING SOUTHEAST 15 TO
19 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET WITH OCCASIONAL SEAS
UP TO 6 FEET.

FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 19 KNOTS INCREASING TO
17 TO 21 KNOTS IN THE LATE EVENING AND OVERNIGHT. SEAS 4 TO
6 FEET WITH OCCASIONAL SEAS UP TO 8 FEET BUILDING TO 6 TO 8 FEET
WITH OCCASIONAL SEAS UP TO 11 FEET AFTER MIDNIGHT.

SATURDAY
SOUTHEAST WINDS 15 TO 20 KNOTS DIMINISHING TO 12 TO
17 KNOTS IN THE AFTERNOON. SEAS 5 TO 8 FEET WITH OCCASIONAL SEAS
UP TO 10 FEET. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.

SATURDAY NIGHT
SOUTHEAST WINDS 13 TO 18 KNOTS. SEAS 5 TO
7 FEET WITH OCCASIONAL SEAS UP TO 9 FEET.

SUNDAY
SOUTH WINDS 13 TO 18 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF SHOWERS AND
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 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.

MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET
WITH OCCASIONAL SEAS UP TO 5 FEET.