097
FZUS54 KBRO 121728
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1228 PM CDT TUE AUG 12 2025
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.
GMZ100-130615-
1228 PM CDT TUE AUG 12 2025
SYNOPSIS
SURFACE HIGH PRESSURE OVER THE GULF CONTINUES TO
RESULT IN MOSTLY FAVORABLE MARINE CONDITIONS WITH A LIGHT TO
MODERATE SOUTHEASTERLY WINDS AND SLIGHT SEAS. THERE IS A LOW
CHANCE (20% OR LESS) OF SHOWERS OR STORMS DURING THE DAYTIME
THROUGH THURSDAY, WITH LOW TO MEDIUM CHANCES (20-40%) OF SHOWERS
AND STORMS FRIDAY AND SATURDAY. LOCALLY ENHANCED WINDS AND SEAS
CANNOT BE RULED OUT WITHIN ANY SHOWERS OR STORMS.
GMZ130-132-135-130615-
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-
1228 PM CDT TUE AUG 12 2025
TONIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. LIGHT CHOP ON THE BAY.
WEDNESDAY
SOUTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST 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, BECOMING SOUTH
5 TO 10 KNOTS EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP EARLY IN THE MORNING.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP
ON THE BAY.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE
BAY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP
ON THE BAY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN
THE EVENING. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON
THE BAY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP EARLY IN THE MORNING. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-130615-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
1228 PM CDT TUE AUG 12 2025
TONIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
WEDNESDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
THURSDAY
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
5 SECONDS.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 3 TO 4 FEET. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL LATE AFTERNOON.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST LATE IN
THE AFTERNOON. SEAS 2 TO 3 FEET.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-130615-
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-
1228 PM CDT TUE AUG 12 2025
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
WEDNESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN
THE AFTERNOON.
WEDNESDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
THURSDAY
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST LATE
IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET
AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL
LATE AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING, THEN A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
SATURDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO
4 FEET.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST LATE IN
THE AFTERNOON. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING 5 TO
10 KNOTS EARLY IN THE MORNING. SEAS 2 TO 3 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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