652
FZUS54 KBRO 181914
CWFBRO
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
214 PM CDT MON MAY 18 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.
GMZ100-190815-
214 PM CDT MON MAY 18 2026
SYNOPSIS
A SMALL CRAFT ADVISORY REMAINS IN EFFECT THROUGH 9 AM
TOMORROW AND SMALL CRAFT EXERCISE CAUTION IS LIKELY IN THE WAKE
OF THE ADVISORY AS WELL. AN ENHANCED PRESSURE GRADIENT WILL
MAINTAIN HAZARDOUS TO ADVERSE MARINE CONDITIONS WITH MODERATE TO
FRESH SOUTHEASTERLY WINDS, MODERATE SEAS, AND CHOPPY BAY
CONDITIONS THROUGH MUCH OF THE WEEK. LOW TO MEDIUM (30 TO 60
PERCENT) RAIN CHANCES RETURN TUESDAY NIGHT, LASTING THROUGH THE
WEEK.
GMZ130-132-135-190815-
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-
214 PM CDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY.
TUESDAY
SOUTHEAST WINDS AROUND 15 KNOTS. A MODERATE CHOP ON
THE BAY.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP
ON THE BAY. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON
THE BAY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE MORNING.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE
CHOP ON THE BAY.
THURSDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON
THE BAY. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
5 TO 10 KNOTS EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY,
DIMINISHING TO LIGHT CHOP EARLY IN THE MORNING. A SLIGHT CHANCE
OF SHOWERS IN THE EVENING. A CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS IN THE AFTERNOON. LIGHT CHOP ON THE BAY, INCREASING TO A
MODERATE CHOP IN THE AFTERNOON. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP
ON THE BAY. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS UNTIL
EARLY MORNING, THEN A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE
MORNING.
SATURDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. A MODERATE CHOP ON THE BAY. SHOWERS
LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS
LIKELY AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ150-155-190815-
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
214 PM CDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT
8 SECONDS.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET, SUBSIDING TO 4 TO 5 FEET IN THE
AFTERNOON. WAVE DETAIL: SOUTHEAST 6 FEET AT 8 SECONDS, BECOMING
SOUTHEAST 5 FEET AT 8 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
5 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT 8 SECONDS. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET.
WAVE DETAIL: SOUTHEAST 5 FEET AT 8 SECONDS. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
5 FEET. WAVE DETAIL: EAST 4 FEET AT 7 SECONDS.
THURSDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS. A CHANCE OF SHOWERS.
A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING, THEN A
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH
EARLY IN THE MORNING. SEAS 3 TO 5 FEET. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS UNTIL LATE
AFTERNOON, THEN A SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS, MAINLY IN THE
EVENING.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
SATURDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO
4 FEET. A CHANCE OF SHOWERS IN THE EVENING. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ170-175-190815-
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-
214 PM CDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT
8 SECONDS.
TUESDAY
SOUTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET, OCCASIONALLY TO
9 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT 8 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 5 TO
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT
8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET, SUBSIDING TO 4 TO 5 FEET IN THE
AFTERNOON. WAVE DETAIL: SOUTHEAST 6 FEET AT 8 SECONDS, BECOMING
SOUTHEAST 5 FEET AT 8 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING.
WEDNESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
5 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT 7 SECONDS.
THURSDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET.
WAVE DETAIL: SOUTHEAST 5 FEET AT 7 SECONDS. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
5 FEET. A CHANCE OF SHOWERS EARLY IN THE EVENING. A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL LATE AFTERNOON, THEN A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO
5 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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