887
FZUS54 KBRO 171921
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
221 PM CDT FRI APR 17 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.
GMZ100-180815-
221 PM CDT FRI APR 17 2026
SYNOPSIS
AN ENHANCED PRESSURE GRADIENT WILL PRODUCE BREEZY
WINDS AND MODERATE SEAS ALONG THE LOWER TEXAS COAST THROUGH THE
END OF THE WEEK, WITH SMALL CRAFT ADVISORY CONDITIONS BEING
OBSERVED AT AREA BUOYS. THIS SHOULD IMPROVE OVERNIGHT. THE
PASSAGE OF A COLD FRONT DURING THE WEEKEND WILL INCREASE THE
LIKELIHOOD OF MORE SMALL CRAFT ADVISORIES AT THAT TIME AND INTO
THE START OF THE NEW WORK WEEK DUE TO STRONGER WINDS AND HIGHER
SEAS.
GMZ130-132-135-180815-
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-
221 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
25 KNOTS. ROUGH ON THE BAY.
TONIGHT
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.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST LATE IN
THE AFTERNOON. A MODERATE CHOP ON THE BAY.
SATURDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING NORTHEAST
AFTER MIDNIGHT, THEN BECOMING NORTH 15 TO 20 KNOTS EARLY IN THE
MORNING. LIGHT CHOP ON THE BAY, INCREASING TO A MODERATE CHOP
AFTER MIDNIGHT, THEN INCREASING TO CHOPPY EARLY IN THE MORNING. A
SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY.
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING. A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. CHOPPY ON THE
BAY, DIMINISHING TO A MODERATE CHOP IN THE LATE EVENING AND
OVERNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
MONDAY
EAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE BAY.
SHOWERS WITH A CHANCE OF THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST
EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY, DIMINISHING TO
LIGHT CHOP EARLY IN THE MORNING. SHOWERS IN THE EVENING. A CHANCE
OF THUNDERSTORMS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
TUESDAY
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. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP EARLY IN THE MORNING. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE
IN THE EVENING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-180815-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
221 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 7
SECONDS.
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET. WAVE
DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST LATE IN
THE AFTERNOON. SEAS 3 TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
7 SECONDS.
SATURDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING NORTHEAST
AFTER MIDNIGHT, THEN BECOMING NORTH 15 TO 20 KNOTS EARLY IN THE
MORNING. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST 5 FEET AT 6 SECONDS.
A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 20 TO 25 KNOTS. GUSTS TO 30 KNOTS IN
THE AFTERNOON. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE
DETAIL: NORTHEAST 7 FEET AT 7 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING. SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET, SUBSIDING TO 4 TO 5 FEET AFTER MIDNIGHT.
WAVE DETAIL: NORTHEAST 6 FEET AT 7 SECONDS, BECOMING NORTHEAST
5 FEET AT 7 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
MONDAY
EAST WINDS AROUND 15 KNOTS. SEAS 4 TO 5 FEET. SHOWERS
WITH A CHANCE OF THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS 15 TO 20 KNOTS, BECOMING SOUTHEAST
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET. A CHANCE OF
THUNDERSTORMS. SHOWERS EARLY IN THE EVENING, THEN A CHANCE OF
SHOWERS IN THE LATE EVENING AND OVERNIGHT.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS
EARLY IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS IN THE LATE
EVENING AND OVERNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-180815-
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-
221 PM CDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
REST OF TODAY
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS OVER
25 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
SOUTHEAST 5 FEET AT 7 SECONDS.
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
7 SECONDS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST LATE IN
THE AFTERNOON. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
7 SECONDS.
SATURDAY NIGHT
EAST WINDS AROUND 10 KNOTS, BECOMING NORTHEAST
AFTER MIDNIGHT, THEN INCREASING TO 15 TO 20 KNOTS EARLY IN THE
MORNING. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
7 SECONDS AND SOUTHEAST 2 FEET AT 3 SECONDS. A SLIGHT CHANCE OF
SHOWERS IN THE EVENING. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
LATE EVENING AND OVERNIGHT. SHOWERS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
7 SECONDS AND NORTH 2 FEET AT 4 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS. SHOWERS.
SUNDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
7 SECONDS. SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
MONDAY
EAST WINDS AROUND 15 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. SHOWERS LIKELY.
MONDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY
EARLY IN THE EVENING, THEN A CHANCE OF SHOWERS IN THE LATE
EVENING AND OVERNIGHT.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
5 FEET. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS
EARLY IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS IN THE LATE
EVENING AND OVERNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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