Coastal Waters Forecast
Issued by NWS Brownsville, TX

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FZUS54 KBRO 272118
CWFBRO

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BROWNSVILLE TX
418 PM CDT MON MAR 27 2017

LOWER TEXAS COASTAL WATERS FROM BAFFIN BAY TO THE MOUTH OF THE
RIO GRANDE OUT TO 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

GMZ100-280930-
SYNOPSIS FOR BAFFIN BAY TO RIO GRANDE OUT 60 NM-
418 PM CDT MON MAR 27 2017

.SYNOPSIS...THE LULL IN SOUTHEAST WINDS WILL PERSIST THROUGH
TONIGHT BEFORE STRONGER ONSHORE FLOW DEVELOPS TUESDAY AND
WEDNESDAY IN ADVANCE OF A COLD FRONT. AS THE FRONT APPROACHES THE
COAST THURSDAY WINDS WILL TREND LOWER BEFORE TURNING NORTH AT
LIGHT TO MODERATE SPEEDS. WINDS QUICKLY RETURN SOUTHEAST FRIDAY AS
HIGH PRESSURE BUILDS OVER THE EASTERN GULF. A SLIGHT DECREASE IN
SEAS WILL BE SHORT LIVED BEFORE A HIGHER SEA DEVELOPS IN RESPONSE
TO THE WIND. LOWER SEAS ARE EXPECTED BEHIND THE COLD FRONT
THURSDAY. THE CHANCE OF RAIN INCREASES FOR WEDNESDAY AND THURSDAY
DUE TO THE PROXIMITY AND PASSAGE OF THE COLD FRONT.

$$

GMZ130-132-135-280930-
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-
418 PM CDT MON MAR 27 2017

.TONIGHT...SOUTHEAST WINDS 11 TO 16 KNOTS. A MODERATE CHOP ON THE
BAY.
.TUESDAY...SOUTHEAST WINDS 11 TO 16 KNOTS INCREASING TO 16 TO
21 KNOTS IN THE LATE MORNING AND AFTERNOON. A MODERATE CHOP ON
THE BAY INCREASING TO CHOPPY IN THE LATE MORNING AND AFTERNOON.
.TUESDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY.
.WEDNESDAY...SOUTHEAST WINDS 12 TO 17 KNOTS. A MODERATE CHOP ON
THE BAY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 14 KNOTS SHIFTING SOUTH
7 TO 12 KNOTS AFTER MIDNIGHT, THEN SHIFTING SOUTHWEST 7 TO
10 KNOTS EARLY IN THE MORNING. A MODERATE CHOP ON THE BAY
SUBSIDING TO A LIGHT CHOP AFTER MIDNIGHT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
.THURSDAY...NORTH WINDS 7 TO 11 KNOTS. A LIGHT CHOP ON THE BAY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.THURSDAY NIGHT...EAST WINDS 7 TO 10 KNOTS. A LIGHT CHOP ON THE
BAY.
.FRIDAY...SOUTHEAST WINDS 12 TO 17 KNOTS. A MODERATE CHOP ON THE
BAY.
.FRIDAY NIGHT...SOUTHEAST WINDS 14 TO 17 KNOTS. CHOPPY ON THE
BAY.
.SATURDAY...SOUTHEAST WINDS 14 TO 17 KNOTS. CHOPPY ON THE BAY.
.SATURDAY NIGHT...SOUTHEAST WINDS 12 TO 17 KNOTS. A MODERATE CHOP
ON THE BAY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.

$$

GMZ150-155-280930-
COASTAL WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-
COASTAL WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-
418 PM CDT MON MAR 27 2017

.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.
.TUESDAY...SOUTHEAST WINDS 12 TO 17 KNOTS INCREASING TO 16 TO
20 KNOTS IN THE LATE MORNING AND AFTERNOON. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 9 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 17 TO 22 KNOTS. SEAS 5 TO 7 FEET
WITH OCCASIONAL SEAS UP TO 9 FEET.
.WEDNESDAY...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHEAST 11 TO
16 KNOTS IN THE LATE MORNING AND AFTERNOON. SEAS 5 TO 8 FEET WITH
OCCASIONAL SEAS UP TO 10 FEET SUBSIDING TO 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET LATE IN THE AFTERNOON. SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 9 TO 14 KNOTS SHIFTING
SOUTHWEST 8 TO 12 KNOTS EARLY IN THE MORNING. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
.THURSDAY...NORTH WINDS 7 TO 12 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
.THURSDAY NIGHT...EAST WINDS 8 TO 11 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET.
.FRIDAY...SOUTHEAST WINDS 11 TO 16 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 5 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 15 TO 18 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET.
.SATURDAY...SOUTHEAST WINDS 14 TO 18 KNOTS. SEAS 4 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 8 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 13 TO 16 KNOTS. SEAS 4 TO
6 FEET WITH OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.

$$

GMZ170-175-280930-
WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM 20 TO
60 NM-
WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM 20 TO
60 NM-
418 PM CDT MON MAR 27 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION TONIGHT...

.TONIGHT...SOUTHEAST WINDS 8 TO 14 KNOTS INCREASING TO 14 TO 17
KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET WITH OCCASIONAL SEAS UP TO
7 FEET.
.TUESDAY...SOUTHEAST WINDS 16 TO 21 KNOTS. SEAS 5 TO 8 FEET WITH
OCCASIONAL SEAS UP TO 10 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 18 TO 23 KNOTS. SEAS 6 TO 9 FEET
WITH OCCASIONAL SEAS UP TO 11 FEET.
.WEDNESDAY...SOUTH WINDS 18 TO 23 KNOTS DIMINISHING TO 13 TO
16 KNOTS. SEAS 6 TO 9 FEET WITH OCCASIONAL SEAS UP TO 11 FEET.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 12 TO 16 KNOTS SHIFTING SOUTH
9 TO 14 KNOTS EARLY IN THE MORNING. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 10 FEET. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
.THURSDAY...NORTHWEST WINDS 7 TO 10 KNOTS SHIFTING NORTH 8 TO
11 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET WITH OCCASIONAL SEAS
UP TO 9 FEET. CHANCE OF SHOWERS AND THUNDERSTORMS.
.THURSDAY NIGHT...EAST WINDS 8 TO 12 KNOTS. SEAS 3 TO 5 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.
.FRIDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET.
.FRIDAY NIGHT...SOUTHEAST WINDS 14 TO 19 KNOTS. SEAS 4 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET.
.SATURDAY...SOUTHEAST WINDS 15 TO 18 KNOTS. SEAS 5 TO 7 FEET WITH
OCCASIONAL SEAS UP TO 9 FEET.
.SATURDAY NIGHT...SOUTHEAST WINDS 15 TO 18 KNOTS. SEAS 5 TO
7 FEET WITH OCCASIONAL SEAS UP TO 10 FEET. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.

$$



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