274
FZUS54 KBRO 280706
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
206 AM CDT FRI AUG 28 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.
GMZ100-282030-
206 AM CDT FRI AUG 28 2026
SYNOPSIS
FAVORABLE MARINE CONDITIONS ARE FORECAST THROUGH
THE NEXT SEVERAL DAYS, WITH LIGHT TO MODERATE WINDS AND LOW TO
MODERATE SEAS.
GMZ130-132-135-282030-
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-
206 AM CDT FRI AUG 28 2026
TODAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING EAST THIS
AFTERNOON. A LIGHT CHOP ON THE BAY.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. A LIGHT CHOP ON THE BAY.
SATURDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING EAST LATE IN THE
MORNING, THEN INCREASING TO 5 TO 10 KNOTS IN THE AFTERNOON. A LIGHT
CHOP ON THE BAY.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. A LIGHT CHOP ON THE BAY.
SUNDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST EARLY IN
THE AFTERNOON, THEN 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.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY.
MONDAY
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST EARLY
IN THE AFTERNOON, THEN INCREASING TO 15 TO 20 KNOTS LATE IN THE
AFTERNOON. A LIGHT CHOP ON THE BAY, INCREASING TO A MODERATE CHOP
ON THE BAY EARLY IN THE AFTERNOON, THEN INCREASING TO CHOPPY BAY
WATERS LATE IN THE AFTERNOON.
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 A LIGHT CHOP ON THE BAY 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 A LIGHT CHOP ON THE BAY AFTER MIDNIGHT.
GMZ150-155-282030-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
206 AM CDT FRI AUG 28 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST LATE THIS
MORNING, THEN BECOMING EAST THIS AFTERNOON. SEAS 1 TO 2 FEET.
WAVE DETAIL: SOUTHEAST 1 FOOT AT 4 SECONDS.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 1 FOOT AT
4 SECONDS.
SATURDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING EAST IN THE
AFTERNOON, THEN INCREASING TO 5 TO 10 KNOTS LATE 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 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 5 SECONDS.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST EARLY IN
THE AFTERNOON, THEN INCREASING TO 10 TO 15 KNOTS LATE IN THE
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
5 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 5 SECONDS.
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.
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 3 FEET.
GMZ170-175-282030-
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-
206 AM CDT FRI AUG 28 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST LATE THIS
MORNING, THEN BECOMING EAST THIS AFTERNOON. SEAS 1 TO 2 FEET.
WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON.
TONIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH EARLY
IN THE MORNING. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 1 FOOT
AT 4 SECONDS.
SATURDAY
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING NORTH LATE
IN THE MORNING, THEN BECOMING EAST IN THE AFTERNOON. SEAS 1 TO
2 FEET. WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
SATURDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS AND SOUTHEAST 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS EARLY IN THE MORNING.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTH 2 FEET AT
4 SECONDS AND EAST 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING, THEN A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 5 SECONDS AND SOUTHEAST 1 FOOT AT 9 SECONDS.
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 4 FEET.
TUESDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page