174
FZUS54 KBRO 170700
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
200 AM 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.
GMZ100-171930-
200 AM 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 SHOULD EXERCISE CAUTION LIKELY.
THE PASSAGE OF A COLD FRONT DURING THE WEEKEND WILL INCREASE THE
LIKELIHOOD OF SMALL CRAFT ADVISORY AT THAT TIME AND INTO THE START
OF THE NEW WORK WEEK DUE TO STRONGER WINDS AND HIGHER SEAS.
GMZ130-132-135-171930-
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-
200 AM CDT FRI APR 17 2026
..SMALL CRAFT SHOULD EXERCISE CAUTION
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO
20 KNOTS THIS AFTERNOON. A MODERATE CHOP ON THE BAY, INCREASING
TO CHOPPY BAY WATERS THIS AFTERNOON.
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. CHOPPY BAY WATERS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING AROUND
15 KNOTS LATE IN THE AFTERNOON. A MODERATE CHOP ON THE BAY.
SATURDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, BECOMING NORTHEAST
AFTER MIDNIGHT, THEN BECOMING NORTH 15 TO 20 KNOTS EARLY IN THE
MORNING. A MODERATE CHOP ON THE BAY, INCREASING TO CHOPPY BAY
WATERS EARLY IN THE MORNING. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS. CHOPPY BAY WATERS.
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS.
SUNDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY.
SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
EVENING, THEN A CHANCE OF THUNDERSTORMS IN THE LATE EVENING AND
OVERNIGHT.
MONDAY
EAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE BAY.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS UNTIL LATE
AFTERNOON, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST
EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY. A SLIGHT CHANCE
OF THUNDERSTORMS. A CHANCE OF SHOWERS UNTIL EARLY MORNING, THEN A
SLIGHT CHANCE OF SHOWERS EARLY IN THE MORNING.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE
BAY. 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 A LIGHT CHOP ON THE BAY EARLY IN THE MORNING. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN
THE EVENING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-171930-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
200 AM CDT FRI APR 17 2026
..SMALL CRAFT SHOULD EXERCISE CAUTION
TODAY
SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO 20
KNOTS THIS AFTERNOON. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 5
FEET AT 7 SECONDS.
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET. WAVE
DETAIL: SOUTHEAST 5 FEET AT 7 SECONDS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. 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 BECOMING NORTH 15 TO 20 KNOTS EARLY IN THE
MORNING. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS WITH A CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
SUNDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 7 FEET AT
7 SECONDS. 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. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST 6 FEET AT
7 SECONDS. SHOWERS LIKELY. A SLIGHT CHANCE OF THUNDERSTORMS EARLY
IN THE EVENING, THEN A CHANCE OF THUNDERSTORMS IN THE LATE
EVENING AND OVERNIGHT.
MONDAY
EAST WINDS AROUND 15 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. A CHANCE OF THUNDERSTORMS. SHOWERS
LIKELY.
MONDAY NIGHT
EAST WINDS AROUND 15 KNOTS, BECOMING SOUTHEAST
EARLY IN THE MORNING. SEAS 4 TO 5 FEET. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
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 4 TO
5 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-171930-
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-
200 AM CDT FRI APR 17 2026
TODAY
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 4 TO 5 FEET. WAVE
DETAIL: SOUTHEAST 5 FEET AT 7 SECONDS.
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
7 SECONDS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING AROUND
10 KNOTS LATE IN THE AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 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 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
7 SECONDS AND SOUTHEAST 2 FEET AT 3 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING. A SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS 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. SHOWERS LIKELY WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
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. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
MONDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. A CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
MONDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. A CHANCE OF THUNDERSTORMS IN THE EVENING.
A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. A SLIGHT CHANCE OF THUNDERSTORMS. A
CHANCE OF SHOWERS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF
SHOWERS LATE IN THE AFTERNOON.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
5 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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