121
FZUS54 KBRO 271647
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1147 AM CDT FRI MAR 27 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.
GMZ100-280515-
1147 AM CDT FRI MAR 27 2026
SYNOPSIS
LOW TO MODERATE WINDS AND SEAS ARE EXPECTED WITH OVERALL
FAVORABLE MARINE CONDITONS. TOMORROW'S COLD FRONT MAY BRING SOME
SHOWERS OFFSHORE, BUT OTHERWISE NO SMALL CRAFT EXERCISE CAUTION OR
SMALL CRAFT ADVISORIES ARE EXPECTED.
GMZ130-132-135-280515-
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-
1147 AM CDT FRI MAR 27 2026
TONIGHT
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST AROUND
5 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY BECOMING
SMOOTH AFTER MIDNIGHT.
SATURDAY
NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. LIGHT CHOP ON THE BAY BECOMING A
MODERATE CHOP IN THE AFTERNOON. A CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST
5 TO 10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY BECOMING
LIGHT CHOP AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. LIGHT CHOP ON THE BAY BECOMING A
MODERATE CHOP IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS DECREASING TO 5 TO
10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY BECOMING
LIGHT CHOP AFTER MIDNIGHT.
MONDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE
BAY.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP
ON THE BAY.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS WITH GUSTS UP TO 30 KNOTS IN THE AFTERNOON. A MODERATE
CHOP ON THE BAY BECOMING CHOPPY IN THE AFTERNOON.
TUESDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS DECREASING TO
10 TO 15 KNOTS AFTER MIDNIGHT. CHOPPY ON THE BAY BECOMING A
MODERATE CHOP AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS IN
THE AFTERNOON. CHOPPY ON THE BAY.
WEDNESDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS DECREASING TO
10 TO 15 KNOTS AFTER MIDNIGHT. CHOPPY ON THE BAY BECOMING A
MODERATE CHOP AFTER MIDNIGHT.
GMZ150-155-280515-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
1147 AM CDT FRI MAR 27 2026
TONIGHT
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST
3 FEET AT 6 SECONDS.
SATURDAY
NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL:
NORTHEAST 3 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET. WAVE DETAIL:
NORTHEAST 3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE
EVENING.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET. WAVE DETAIL: EAST
3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: EAST 3 FEET AT 6 SECONDS.
MONDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS WITH GUSTS UP TO 30 KNOTS IN THE AFTERNOON. SEAS 3 TO
5 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS DECREASING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO 15 TO
20 KNOTS WITH GUSTS UP TO 30 KNOTS IN THE AFTERNOON. SEAS 3 TO
5 FEET.
WEDNESDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS DECREASING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET.
GMZ170-175-280515-
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-
1147 AM CDT FRI MAR 27 2026
TONIGHT
EAST WINDS AROUND 10 KNOTS BECOMING 5 TO 10 KNOTS
AFTER MIDNIGHT. SEAS 2 TO 4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET
AT 6 SECONDS.
SATURDAY
NORTH WINDS 5 TO 10 KNOTS BECOMING NORTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET. WAVE DETAIL:
SOUTHEAST 3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE
MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS BECOMING EAST
AFTER MIDNIGHT. SEAS 3 TO 4 FEET. WAVE DETAIL: NORTHEAST 4 FEET
AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: EAST 3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS IN
THE MORNING.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.
MONDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
5 FEET.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS INCREASING TO
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET.
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