427
FZUS54 KBRO 290648
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
148 AM CDT SAT AUG 29 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.
GMZ100-291915-
148 AM CDT SAT AUG 29 2026
SYNOPSIS
HIGH PRESSURE ACROSS THE WESTERN GULF WILL MAINTAIN
FAVORABLE MARINE CONDITIONS INTO NEXT WEEK WITH LIGHT TO MODERATE
WINDS AND LOW TO MODERATE SEAS.
GMZ130-132-135-291915-
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-
148 AM CDT SAT AUG 29 2026
TODAY
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST THIS
AFTERNOON. LIGHT CHOP ON THE BAY.
TONIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH 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
EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY, DIMINISHING TO
LIGHT CHOP EARLY IN THE MORNING.
MONDAY
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 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, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.
WEDNESDAY
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING 5 TO
10 KNOTS EARLY IN THE AFTERNOON, THEN 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.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN
BECOMING SOUTH EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP IN THE LATE EVENING AND EARLY MORNING,
THEN DIMINISHING TO SMOOTH EARLY IN THE MORNING.
GMZ150-155-291915-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
148 AM CDT SAT AUG 29 2026
TODAY
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST LATE THIS
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 1 FOOT AT
4 SECONDS.
TONIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
2 FEET AT 5 SECONDS.
MONDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 5 SECONDS.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
2 FEET AT 5 SECONDS.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING AROUND
10 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.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING
SOUTH AFTER MIDNIGHT. SEAS 2 TO 3 FEET.
GMZ170-175-291915-
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-
148 AM CDT SAT AUG 29 2026
TODAY
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST THIS
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 1 FOOT AT
4 SECONDS AND EAST 1 FOOT AT 9 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL LATE AFTERNOON.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS AND EAST 1 FOOT AT 9 SECONDS.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 2 FEET AT
4 SECONDS AND EAST 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
2 FEET AT 4 SECONDS AND SOUTHEAST 1 FOOT AT 9 SECONDS.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST LATE IN
THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
5 SECONDS AND EAST 1 FOOT AT 8 SECONDS.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
2 FEET AT 5 SECONDS AND SOUTHEAST 1 FOOT AT 8 SECONDS.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING
SOUTH AFTER MIDNIGHT. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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