375
FZUS54 KBRO 130543
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1243 AM CDT WED AUG 13 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.
GMZ100-131815-
1243 AM CDT WED AUG 13 2025
SYNOPSIS
FAVORABLE CONDITIONS PREVAIL FOR MUCH OF THE
REMAINDER OF THE WEEK WITH GENTLE TO MODERATE SOUTHEASTERLY FLOW
AND SLIGHT SEAS. THERE IS A CHANCE OF ISOLATED SHOWERS AND
THUNDERSTORMS OVER THE WATERS EACH DAY THROUGH THURSDAY, AND
AFTERNOON HEATING MAY LEAD TO TEMPORARY SMALL CRAFT EXERCISE
CAUTION CONDITIONS ON THE LAGUNA MADRE AND NEARSHORE WATERS EACH
AFTERNOON. AN INFLUX OF TROPICAL MOISTURE EXPECTED TO TRACK
TOWARDS THE AREA BY THE WEEKEND, INCREASING SEAS TO 2-3 FEET AND
BRINGING A LOW TO MODERATE CHANCE (30-50%) OF RAIN FRIDAY AND
SATURDAY.
GMZ130-132-135-131815-
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-
1243 AM CDT WED AUG 13 2025
TODAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST EARLY THIS
AFTERNOON, THEN INCREASING TO 10 TO 15 KNOTS LATE THIS AFTERNOON.
LIGHT CHOP ON THE BAY, INCREASING TO A MODERATE CHOP LATE THIS
AFTERNOON.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. A MODERATE CHOP ON THE BAY.
THURSDAY
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 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. A SLIGHT CHANCE OF THUNDERSTORMS EARLY
IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP
ON THE BAY. A CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON
THE BAY. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS
EARLY IN THE MORNING, THEN A SLIGHT CHANCE OF SHOWERS IN THE
AFTERNOON.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP AFTER MIDNIGHT.
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 5 TO 10 KNOTS, BECOMING AROUND
5 KNOTS EARLY IN THE MORNING. LIGHT CHOP ON THE BAY, DIMINISHING
TO SMOOTH EARLY IN THE MORNING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-131815-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
1243 AM CDT WED AUG 13 2025
TODAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST THIS
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH AFTER
MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS.
THURSDAY
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST LATE
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 2 TO
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE EVENING, THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. 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 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS EARLY IN THE MORNING. 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.
GMZ170-175-131815-
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-
1243 AM CDT WED AUG 13 2025
TODAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST THIS
AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
4 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF
SHOWERS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING AROUND 10 KNOTS
EARLY IN THE MORNING. 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 2 FEET
AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE
IN THE MORNING.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 5 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 4 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS. A CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE EVENING, THEN A SLIGHT CHANCE OF
SHOWERS LATE IN THE EVENING. 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, MAINLY IN THE MORNING.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 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.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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