875
FZUS54 KBRO 300721
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
221 AM CDT SUN AUG 30 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.
GMZ100-302015-
221 AM CDT SUN AUG 30 2026
SYNOPSIS
HIGH PRESSURE ACROSS THE WESTERN GULF WILL MAINTAIN
FAVORABLE MARINE CONDITIONS THROUGH THE FORECAST WITH LIGHT TO
MODERATE WINDS AND LOW TO MODERATE SEAS. ISOLATED TO SCATTERED
SHOWERS AND STORMS MAY RESULT IN LOCALLY HIGHER WINDS AND SEAS.
GMZ130-132-135-302015-
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-
221 AM CDT SUN AUG 30 2026
TODAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS THIS AFTERNOON. A MODERATE CHOP ON THE BAY.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. A MODERATE CHOP ON THE BAY.
MONDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 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 AFTER MIDNIGHT. 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. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY.
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, INCREASING TO 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. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS IN THE LATE EVENING AND OVERNIGHT. A MODERATE CHOP
ON THE BAY, DIMINISHING TO LIGHT CHOP IN THE LATE EVENING AND
OVERNIGHT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN
THE EVENING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-302015-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
221 AM CDT SUN AUG 30 2026
TODAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST THIS
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
TONIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 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, BECOMING AROUND
10 KNOTS LATE IN THE AFTERNOON. 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. WAVE DETAIL: SOUTHEAST 2 FEET
AT 5 SECONDS.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 3 FEET.
THURSDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 2 TO 3 FEET.
GMZ170-175-302015-
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-
221 AM CDT SUN AUG 30 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST LATE THIS
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS AND EAST 1 FOOT AT 8 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THIS MORNING.
TONIGHT
SOUTHEAST WINDS AROUND 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.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 2 FEET AT
5 SECONDS AND EAST 1 FOOT AT 8 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 AND EAST 1 FOOT AT 8 SECONDS.
TUESDAY
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.
TUESDAY 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.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST LATE
IN THE AFTERNOON. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE MORNING.
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 LATE IN
THE AFTERNOON. SEAS 1 TO 2 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. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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