132
FZUS54 KBRO 271920
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
ISSUED BY NATIONAL WEATHER SERVICE LAKE CHARLES LA
220 PM CDT THU AUG 27 2026
LOWER TEXAS COASTAL WATERS FROM BAFFIN BAY TO THE MOUTH OF THE
RIO GRANDE OUT 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.
GMZ100-280815-
220 PM CDT THU AUG 27 2026
SYNOPSIS
FAVORABLE MARINE CONDITIONS PERSIST INTO THE WEEKEND WITH GENTLE
TO MODERATE SOUTHERLY TO ONSHORE FLOW AND SLIGHT SEAS. ISOLATED
SHOWERS AND THUNDERSTORMS ARE POSSIBLE OVER THE GULF FRIDAY INTO
EARLY NEXT WEEK (10-30%), WITH THE GREATEST CHANCES SATURDAY.
GMZ130-132-135-280815-
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-
220 PM CDT THU AUG 27 2026
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH 5 TO
10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.
FRIDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST LATE IN
THE MORNING, THEN BECOMING 5 TO 10 KNOTS EARLY IN THE AFTERNOON,
BECOMING EAST 10 TO 15 KNOTS LATE IN THE AFTERNOON. SMOOTH ON THE
BAY, INCREASING TO LIGHT CHOP EARLY IN THE AFTERNOON, THEN
INCREASING TO A MODERATE CHOP LATE IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.
SATURDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST AROUND
5 KNOTS LATE IN THE MORNING, THEN BECOMING EAST EARLY IN THE
AFTERNOON, INCREASING TO 10 TO 15 KNOTS LATE IN THE AFTERNOON.
SMOOTH ON THE BAY, INCREASING TO LIGHT CHOP EARLY IN THE
AFTERNOON, THEN INCREASING TO A MODERATE CHOP LATE IN THE
AFTERNOON.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP EARLY IN THE MORNING.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP AFTER MIDNIGHT.
GMZ150-155-280815-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
220 PM CDT THU AUG 27 2026
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 1 TO 2 FEET.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 1 TO 2 FEET.
SATURDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET.
SATURDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 3 FEET.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS LATE IN THE AFTERNOON. SEAS 2 TO 3 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. SEAS 2 TO 3 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 4 FEET.
GMZ170-175-280815-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM
20 TO 60 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM
20 TO 60 NM-
220 PM CDT THU AUG 27 2026
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 1 TO 2 FEET.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST EARLY IN
THE AFTERNOON, THEN BECOMING EAST AROUND 5 KNOTS LATE IN THE
AFTERNOON. SEAS 1 TO 2 FEET.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 1 TO 2 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST LATE IN
THE AFTERNOON. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 4 FEET.
MONDAY
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL LATE AFTERNOON.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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