331
FZUS54 KBRO 220541
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1241 AM CDT WED OCT 22 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.
GMZ100-221815-
1241 AM CDT WED OCT 22 2025
SYNOPSIS
GENERALLY FAVORABLE MARINE CONDITIONS WILL PREVAIL
THROUGH LATE THURSDAY WITH LOW TO MODERATE SEAS AND LIGHT TO
MODERATE SOUTHEAST WINDS. A TIGHTENING PRESSURE GRADIENT IN
RESPONSE TO AN UPPER LEVEL SYSTEM TRANSLATING ACROSS THE PLAINS
WILL RESULT IN SMALL CRAFT EXERCISE CAUTION TO SMALL CRAFT
ADVISORY CONDITIONS OVER THE GULF WATERS AND LAGUNA MADRE ON
FRIDAY AND SATURDAY. EXPECT WIND GUSTS AROUND 15 TO 20 KNOTS AND
SEAS AROUND 4-5 FEET. OTHERWISE, LOW (20-30%) RAIN CHANCES
THROUGH FRIDAY, INCREASING TO MEDIUM (40-60%) RAIN CHANCES ON
SATURDAY.
GMZ130-132-135-221815-
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-
1241 AM CDT WED OCT 22 2025
TODAY
NORTH WINDS AROUND 5 KNOTS, BECOMING EAST THIS
AFTERNOON. SMOOTH ON THE BAY, INCREASING TO LIGHT CHOP THIS
AFTERNOON.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE BAY.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. LIGHT 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 SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. CHOPPY ON THE
BAY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. A SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING.
SATURDAY
SOUTH WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY. A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON
THE BAY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. LIGHT CHOP ON THE BAY. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING, THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE
BAY.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-221815-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
1241 AM CDT WED OCT 22 2025
TODAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL:
EAST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THIS MORNING.
TONIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 2 FEET AT 5 SECONDS.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS. A SLIGHT CHANCE OF
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
BUILDING TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET AFTER MIDNIGHT.
WAVE DETAIL: SOUTHEAST 6 FEET AT 6 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE EVENING. A SLIGHT CHANCE OF SHOWERS
UNTIL EARLY MORNING, THEN A CHANCE OF SHOWERS EARLY IN THE
MORNING.
SATURDAY
SOUTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. 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.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO
4 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-221815-
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-
1241 AM CDT WED OCT 22 2025
TODAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL:
EAST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TONIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS. A
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING. A SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF
SHOWERS.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 4 SECONDS. A SLIGHT
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING. A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET. WAVE
DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
BUILDING TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET AFTER MIDNIGHT.
WAVE DETAIL: SOUTHEAST 6 FEET AT 6 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS.
SATURDAY
SOUTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. A CHANCE OF THUNDERSTORMS. SHOWERS
LIKELY.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY
UNTIL EARLY MORNING, THEN A CHANCE OF SHOWERS EARLY IN THE
MORNING.
SUNDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST 5 TO
10 KNOTS IN THE AFTERNOON. SEAS 4 TO 5 FEET. A CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE MORNING, THEN A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 4 TO
5 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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