006
FZUS54 KBRO 010758
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
258 AM CDT FRI MAY 1 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.
GMZ100-012015-
258 AM CDT FRI MAY 1 2026
SYNOPSIS
ADVERSE CONDITIONS WILL DEVELOP FRIDAY EVENING WITH
THE APPROACH AND PASSAGE OF A COLD FRONT. A SMALL CRAFT
ADVISORY IS IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY NIGHT
DUE TO STRONG WINDS AND HIGH SEAS. THERE IS A MEDIUM (40-60%)
CHANCE OF RAIN WITH THE COLD FRONT AS IT MOVES THROUGH THE REGION
FRIDAY NIGHT.
GMZ130-132-135-012015-
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-
258 AM CDT FRI MAY 1 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SATURDAY NIGHT...
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE
BAY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING NORTH 15 TO
20 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN INCREASING
TO 20 TO 25 KNOTS EARLY IN THE MORNING. A MODERATE CHOP ON THE
BAY, INCREASING TO CHOPPY IN THE LATE EVENING AND EARLY MORNING,
THEN INCREASING TO ROUGH EARLY IN THE MORNING. A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT, THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING.
SATURDAY
NORTH WINDS 20 TO 25 KNOTS, DIMINISHING TO 15 TO
20 KNOTS LATE IN THE AFTERNOON. ROUGH ON THE BAY, DIMINISHING TO
CHOPPY LATE IN THE AFTERNOON. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING, THEN A CHANCE OF
SHOWERS IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
5 TO 10 KNOTS. CHOPPY ON THE BAY, DIMINISHING TO LIGHT CHOP.
SUNDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE
AFTERNOON. LIGHT CHOP ON THE BAY.
SUNDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST
AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.
MONDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP
ON THE BAY.
TUESDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST 15 TO
20 KNOTS WITH GUSTS UP TO 30 KNOTS IN THE AFTERNOON. CHOPPY ON
THE BAY.
TUESDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, BECOMING SOUTH
10 TO 15 KNOTS EARLY IN THE MORNING. CHOPPY ON THE BAY,
DIMINISHING TO A MODERATE CHOP EARLY IN THE MORNING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-012015-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
258 AM CDT FRI MAY 1 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SATURDAY NIGHT...
TODAY
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 LATE THIS AFTERNOON.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING NORTH 15 TO
20 KNOTS LATE IN THE EVENING, THEN INCREASING TO 20 TO 25 KNOTS
AFTER MIDNIGHT. SEAS 3 TO 4 FEET, BUILDING TO 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET AFTER MIDNIGHT. WAVE DETAIL: SOUTHEAST
3 FEET AT 6 SECONDS, BECOMING NORTHEAST 7 FEET AT 6 SECONDS. A
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE EVENING
AND EARLY MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE MORNING.
SATURDAY
NORTH WINDS 20 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS.
SEAS 8 TO 11 FEET, OCCASIONALLY TO 14 FEET. WAVE DETAIL:
NORTHEAST 9 FEET AT 7 SECONDS AND NORTH 6 FEET AT 4 SECONDS. A
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING. A CHANCE OF
SHOWERS UNTIL LATE AFTERNOON. A SLIGHT CHANCE OF SHOWERS LATE IN
THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 6 TO 9 FEET, OCCASIONALLY TO
11 FEET, SUBSIDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET AFTER
MIDNIGHT. WAVE DETAIL: NORTHEAST 8 FEET AT 8 SECONDS AND NORTH
2 FEET AT 4 SECONDS, BECOMING NORTHEAST 5 FEET AT 8 SECONDS AND
NORTH 2 FEET AT 4 SECONDS.
SUNDAY
EAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: NORTHEAST 4 FEET AT 7 SECONDS.
SUNDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST
AFTER MIDNIGHT. SEAS 3 TO 4 FEET. WAVE DETAIL: EAST 4 FEET AT
8 SECONDS.
MONDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
TUESDAY
SOUTH WINDS 15 TO 20 KNOTS. GUSTS TO 30 KNOTS LATE IN
THE AFTERNOON. SEAS 4 TO 5 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
5 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-012015-
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-
258 AM CDT FRI MAY 1 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
SATURDAY NIGHT...
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS, BECOMING NORTH 15 TO
20 KNOTS LATE IN THE EVENING, THEN INCREASING TO 20 TO 25 KNOTS
WITH GUSTS UP TO 30 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET,
BUILDING TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET AFTER MIDNIGHT.
WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS, BECOMING NORTH 7 FEET
AT 6 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY
NORTH WINDS 20 TO 25 KNOTS. SEAS 7 TO 10 FEET,
OCCASIONALLY TO 13 FEET. WAVE DETAIL: NORTHEAST 8 FEET AT
8 SECONDS AND NORTH 7 FEET AT 7 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. A CHANCE OF SHOWERS UNTIL
LATE AFTERNOON. A SLIGHT CHANCE OF SHOWERS LATE IN THE AFTERNOON.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS EARLY IN THE MORNING. SEAS 6 TO 9 FEET,
OCCASIONALLY TO 11 FEET, SUBSIDING TO 5 TO 7 FEET, OCCASIONALLY
TO 9 FEET AFTER MIDNIGHT. WAVE DETAIL: NORTH 7 FEET AT 7 SECONDS,
BECOMING NORTHEAST 6 FEET AT 8 SECONDS AND NORTHWEST 2 FEET AT
5 SECONDS. A SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET. WAVE
DETAIL: NORTHEAST 5 FEET AT 7 SECONDS.
SUNDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST
AFTER MIDNIGHT. SEAS 4 TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT
8 SECONDS.
MONDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 5 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET.
TUESDAY
SOUTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 4 TO
5 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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