


Coastal Waters Forecast
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
990 FZUS54 KBRO 092111 CWFBRO Coastal Waters Forecast for the Lower Texas Coast National Weather Service Brownsville TX 411 PM CDT Sun Mar 9 2025 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. GMZ100-101015- 411 PM CDT Sun Mar 9 2025 .SYNOPSIS...Small Craft Exercise Caution (SCEC) conditions continue for the Laguna Madre and nearshore (0-20 nm) Gulf waters this afternoon, but northerly winds are expected to continue to gradually diminish as the evening progresses. Small Craft Advisory continues for the offshore (20-60 nm) waters till 9 PM tonight and should give way to SCEC conditions overnight tonight. Gentle to moderate winds return tomorrow with winds transitioning back to south-southeasterly tomorrow night. Additional rounds of SCEC are possible this week as a pressure gradient tightens ahead of the next front passing through this upcoming weekend. $$ GMZ130-132-135-101015- Laguna Madre from the Port of Brownsville to the Arroyo Colorado- Laguna Madre from the Arroyo Colorado To 5 NM north of Port Mansfield TX- Laguna Madre from 5 nm north of Port Mansfield to Baffin Bay TX- 411 PM CDT Sun Mar 9 2025 ...SMALL CRAFT EXERCISE CAUTION... .TONIGHT...North winds 15 to 20 knots, diminishing to 10 to 15 knots late tonight. Choppy on the bay, diminishing to a moderate chop late tonight. .MONDAY...North winds 5 to 10 knots, becoming east late in the afternoon. Light chop on the bay. .MONDAY NIGHT...East winds around 10 knots, becoming southeast after midnight. Light chop on the bay. .TUESDAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots in the afternoon. A moderate chop on the bay. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. .WEDNESDAY...South winds 10 to 15 knots. A moderate chop on the bay. .WEDNESDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. A moderate chop on the bay, diminishing to light chop after midnight. .THURSDAY...South winds 5 to 10 knots, becoming southeast early in the afternoon, then increasing to 10 to 15 knots late in the afternoon. Light chop on the bay, increasing to a moderate chop late in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. A moderate chop on the bay. .FRIDAY...South winds around 15 knots. A moderate chop on the bay. .FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest early in the morning. A moderate chop on the bay. $$ GMZ150-155-101015- Gulf waters from Port Mansfield to the Rio Grande out 20 nm- Gulf waters from Baffin Bay to Port Mansfield out 20 nm- 411 PM CDT Sun Mar 9 2025 ...SMALL CRAFT EXERCISE CAUTION... .TONIGHT...North winds 15 to 20 knots, becoming 10 to 15 knots late tonight. Seas 3 to 5 feet. Wave Detail: North 4 feet at 5 seconds. .MONDAY...North winds 5 to 10 knots, becoming northeast late in the afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 6 seconds. .MONDAY NIGHT...East winds 5 to 10 knots, becoming south early in the morning. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 5 seconds. .TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. .TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .WEDNESDAY...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. .WEDNESDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to 10 knots early in the morning. Seas 2 to 4 feet. .THURSDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .FRIDAY...South winds 15 to 20 knots. Seas 3 to 4 feet. .FRIDAY NIGHT...South winds 15 to 20 knots, becoming southwest early in the morning. Seas 4 to 6 feet, occasionally to 8 feet. $$ GMZ170-175-101015- Gulf waters from Port Mansfield to the Rio Grande extending from 20 to 60 nm- Gulf waters from Baffin Bay to Port Mansfield extending from 20 to 60 nm- 411 PM CDT Sun Mar 9 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING... .TONIGHT...North winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 5 feet at 6 seconds. .MONDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: North 4 feet at 6 seconds. .MONDAY NIGHT...Northeast winds around 5 knots, becoming southeast after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 6 seconds and southeast 1 foot at 3 seconds. .TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds and northeast 2 feet at 6 seconds. .TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. .WEDNESDAY...South winds around 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 5 seconds. .WEDNESDAY NIGHT...South winds 10 to 15 knots, becoming around 10 knots early in the morning. Seas 3 to 4 feet. .THURSDAY...South winds around 10 knots. Seas 2 to 3 feet. .THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 15 to 20 knots early in the morning. Seas 2 to 3 feet. .FRIDAY...South winds 15 to 20 knots. Seas 3 to 5 feet. .FRIDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. $$