072
FZUS54 KBRO 210723
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
223 AM CDT TUE OCT 21 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.
GMZ100-212030-
223 AM CDT TUE OCT 21 2025
SYNOPSIS
GENERALLY FAVORABLE MARINE CONDITIONS WILL PREVAIL
WITH LOW TO MODERATE SEAS AND LIGHT TO MODERATE SOUTHEAST WINDS.
LOW RAIN CHANCES (20% OR LESS) RETURN FRIDAY INTO THE WEEKEND,
WITH ELEVATED WINDS AND SEAS AS THE PRESSURE GRADIENT STRENGTHENS.
GMZ130-132-135-212030-
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-
223 AM CDT TUE OCT 21 2025
TODAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST THIS
AFTERNOON. LIGHT CHOP ON THE BAY.
TONIGHT
EAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE BAY.
WEDNESDAY
NORTHEAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE
BAY.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST
AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. LIGHT CHOP ON THE BAY, INCREASING TO A
MODERATE CHOP IN THE AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP
ON THE BAY.
FRIDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY. A
SLIGHT CHANCE OF SHOWERS.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. CHOPPY ON THE
BAY. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
SOUTH WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, BECOMING SOUTH
10 TO 15 KNOTS AFTER MIDNIGHT. CHOPPY ON THE BAY, DIMINISHING TO
A MODERATE CHOP AFTER MIDNIGHT. A CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING, THEN A SLIGHT CHANCE OF
THUNDERSTORMS IN THE LATE EVENING AND EARLY MORNING. A SLIGHT
CHANCE OF SHOWERS IN THE LATE EVENING AND OVERNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-212030-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
223 AM CDT TUE OCT 21 2025
TODAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST 5 TO
10 KNOTS THIS AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
2 FEET AT 5 SECONDS.
TONIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 2 FEET AT 6 SECONDS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS LATE
IN THE MORNING.
WEDNESDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST
AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST 2 FEET AT
6 SECONDS.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 2 FEET AT 5 SECONDS.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET. WAVE DETAIL:
EAST 3 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
FRIDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET. A
SLIGHT CHANCE OF SHOWERS.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, BECOMING SOUTH
20 TO 25 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET. A SLIGHT CHANCE
OF SHOWERS EARLY IN THE EVENING. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
SOUTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET. A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SATURDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, BECOMING SOUTH
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET. A CHANCE OF
SHOWERS. A CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN A
SLIGHT CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-212030-
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-
223 AM CDT TUE OCT 21 2025
TODAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST AROUND
5 KNOTS THIS AFTERNOON. SEAS 2 TO 4 FEET. WAVE DETAIL: SOUTHEAST
3 FEET AT 5 SECONDS.
TONIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING. A SLIGHT CHANCE OF SHOWERS.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: EAST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF
SHOWERS 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, INCREASING TO
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET. WAVE DETAIL:
EAST 4 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS.
FRIDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET. A
CHANCE OF SHOWERS.
FRIDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET.
A CHANCE OF SHOWERS EARLY IN THE EVENING. A SLIGHT CHANCE OF
SHOWERS LATE IN THE EVENING, THEN A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
SATURDAY
SOUTH WINDS 20 TO 25 KNOTS, DIMINISHING TO 15 TO
20 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
SATURDAY NIGHT
SOUTH WINDS AROUND 15 KNOTS. SEAS 4 TO 5 FEET.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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