580
FZUS54 KBRO 291837
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
137 PM 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.
GMZ100-300715-
137 PM 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. ISOLATED TO SCATTERED SHOWERS AND
STORMS MAY RESULT IN LOCALLY HIGHER WINDS AND SEAS.
GMZ130-132-135-300715-
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-
137 PM CDT SAT AUG 29 2026
TONIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. LIGHT CHOP ON THE BAY.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY.
SUNDAY 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.
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, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS LATE IN THE AFTERNOON. LIGHT CHOP ON THE BAY, INCREASING
TO A MODERATE CHOP LATE IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.
THURSDAY
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.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.
GMZ150-155-300715-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
137 PM CDT SAT AUG 29 2026
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
SUNDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
2 FEET AT 5 SECONDS.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST EARLY IN
THE AFTERNOON, THEN 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 AROUND 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET
AT 5 SECONDS.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET.
WEDNESDAY
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING 5 TO
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING
SOUTH AFTER MIDNIGHT. SEAS 2 TO 3 FEET.
THURSDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 3 FEET.
GMZ170-175-300715-
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-
137 PM CDT SAT AUG 29 2026
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 LATE 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 MORNING.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 10 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. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
5 SECONDS AND EAST 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING.
MONDAY NIGHT
SOUTHEAST WINDS AROUND 10 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. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. 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.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING.
THURSDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH
AFTER MIDNIGHT. SEAS 2 TO 3 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page