821
FZUS54 KBRO 270711
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
211 AM 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.
GMZ100-272030-
211 AM CDT THU AUG 27 2026
SYNOPSIS
FAVORABLE MARINE CONDITIONS ARE FORECAST THROUGH
THE NEXT SEVERAL DAYS, WITH LIGHT TO MODERATE WINDS AND LOW TO
MODERATE SEAS.
GMZ130-132-135-272030-
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-
211 AM CDT THU AUG 27 2026
TODAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST EARLY
THIS AFTERNOON, THEN INCREASING TO 10 TO 15 KNOTS LATE THIS
AFTERNOON. A LIGHT CHOP ON THE BAY, INCREASING TO A MODERATE CHOP
ON THE BAY THIS AFTERNOON.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH 5 TO
10 KNOTS AFTER MIDNIGHT. A 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. A LIGHT CHOP
ON THE BAY, INCREASING TO A MODERATE CHOP ON THE BAY IN THE
AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. A 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.
A LIGHT CHOP ON THE BAY, INCREASING TO A MODERATE CHOP ON THE BAY
IN THE AFTERNOON.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. A 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
EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY, DIMINISHING TO
A LIGHT CHOP ON THE BAY EARLY IN THE MORNING.
MONDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST 15 TO
20 KNOTS. A MODERATE CHOP ON THE BAY, INCREASING TO CHOPPY BAY
WATERS.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP
ON THE BAY.
GMZ150-155-272030-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
211 AM CDT THU AUG 27 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, DIMINISHING TO AROUND 5 KNOTS
LATE THIS MORNING, THEN BECOMING SOUTHEAST THIS AFTERNOON. SEAS
1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 1 FOOT AT 4 SECONDS.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 1 FOOT AT
4 SECONDS.
FRIDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 4 SECONDS.
SATURDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 1 FOOT AT
4 SECONDS.
SATURDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 6 SECONDS.
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 10 TO 15 KNOTS, BECOMING SOUTHEAST LATE IN
THE AFTERNOON. SEAS 2 TO 3 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
GMZ170-175-272030-
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-
211 AM CDT THU AUG 27 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, DIMINISHING TO AROUND 5 KNOTS
THIS AFTERNOON, THEN BECOMING SOUTHEAST LATE THIS AFTERNOON. SEAS
1 TO 2 FEET. WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
3 SECONDS.
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. WAVE DETAIL: SOUTH 2 FEET AT
4 SECONDS.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 1 FOOT
AT 4 SECONDS. 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. WAVE DETAIL: SOUTHEAST 1 FOOT AT
4 SECONDS. 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. WAVE DETAIL: SOUTHEAST 2 FEET
AT 6 SECONDS. 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 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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