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Home Return to list Small Craft Advisory 0066 Issued by the Houston / Galveston Forecast Office
Action: New Issued At: 2025-12-03 23:47:37 263 WHUS74 KHGX 040547 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 1147 PM CST Wed Dec 3 2025 GMZ330-350-041400- /O.EXT.KHGX.MF.Y.0035.000000T0000Z-251204T0900Z/ /O.NEW.KHGX.SC.Y.0066.251204T2000Z-251205T0600Z/ Matagorda Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM- 1147 PM CST Wed Dec 3 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 3 AM CST THURSDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 4 to 5 NM. For the Small Craft Advisory, north winds 15 to 20 kt with gusts up to 25 kt and rough bay waters expected. * WHERE...Matagorda Bay and Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM. * WHEN...For the Dense Fog Advisory, until 3 AM CST Thursday. For the Small Craft Advisory, from 2 PM Thursday to midnight CST Thursday night. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ GMZ335-355-370-375-041400- /O.NEW.KHGX.SC.Y.0066.251204T2000Z-251205T0600Z/ Galveston Bay- Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 1147 PM CST Wed Dec 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...North winds of 20 kt with gusts up to 25 kt, rough bay waters, and seas of 4 to 6 ft with occasionally higher waves. * WHERE...Portions of Gulf of America. * WHEN...From 2 PM Thursday to midnight CST Thursday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: New Issued At: 2025-12-03 23:47:37 263 WHUS74 KHGX 040547 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 1147 PM CST Wed Dec 3 2025 GMZ330-350-041400- /O.EXT.KHGX.MF.Y.0035.000000T0000Z-251204T0900Z/ /O.NEW.KHGX.SC.Y.0066.251204T2000Z-251205T0600Z/ Matagorda Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM- 1147 PM CST Wed Dec 3 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 3 AM CST THURSDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to 4 to 5 NM. For the Small Craft Advisory, north winds 15 to 20 kt with gusts up to 25 kt and rough bay waters expected. * WHERE...Matagorda Bay and Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM. * WHEN...For the Dense Fog Advisory, until 3 AM CST Thursday. For the Small Craft Advisory, from 2 PM Thursday to midnight CST Thursday night. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ GMZ335-355-370-375-041400- /O.NEW.KHGX.SC.Y.0066.251204T2000Z-251205T0600Z/ Galveston Bay- Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 1147 PM CST Wed Dec 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THURSDAY TO MIDNIGHT CST THURSDAY NIGHT... * WHAT...North winds of 20 kt with gusts up to 25 kt, rough bay waters, and seas of 4 to 6 ft with occasionally higher waves. * WHERE...Portions of Gulf of America. * WHEN...From 2 PM Thursday to midnight CST Thursday night. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-04 02:03:12 761 WHUS74 KHGX 040802 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 202 AM CST Thu Dec 4 2025 GMZ330-350-041615- /O.EXT.KHGX.MF.Y.0035.000000T0000Z-251204T1200Z/ /O.CON.KHGX.SC.Y.0066.251204T2000Z-251205T0600Z/ Matagorda Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM- 202 AM CST Thu Dec 4 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO MIDNIGHT CST TONIGHT... * WHAT...For the Dense Fog Advisory, areas of dense fog will result in visibility under 1 NM at times. For the Small Craft Advisory, north winds 15 to 20 kt with gusts up to 25 kt and rough bay waters expected. * WHERE...Matagorda Bay and Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM. * WHEN...For the Dense Fog Advisory, until 6 AM CST early this morning. For the Small Craft Advisory, from 2 PM this afternoon to midnight CST tonight. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ GMZ335-355-370-375-041615- /O.CON.KHGX.SC.Y.0066.251204T2000Z-251205T0600Z/ Galveston Bay- Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 202 AM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO MIDNIGHT CST TONIGHT... * WHAT...North winds of 20 kt with gusts up to 25 kt, rough bay waters, and seas of 4 to 6 ft with occasionally higher waves. * WHERE...Portions of Gulf of America. * WHEN...From 2 PM this afternoon to midnight CST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-04 02:03:12 761 WHUS74 KHGX 040802 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 202 AM CST Thu Dec 4 2025 GMZ330-350-041615- /O.EXT.KHGX.MF.Y.0035.000000T0000Z-251204T1200Z/ /O.CON.KHGX.SC.Y.0066.251204T2000Z-251205T0600Z/ Matagorda Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM- 202 AM CST Thu Dec 4 2025 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO MIDNIGHT CST TONIGHT... * WHAT...For the Dense Fog Advisory, areas of dense fog will result in visibility under 1 NM at times. For the Small Craft Advisory, north winds 15 to 20 kt with gusts up to 25 kt and rough bay waters expected. * WHERE...Matagorda Bay and Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM. * WHEN...For the Dense Fog Advisory, until 6 AM CST early this morning. For the Small Craft Advisory, from 2 PM this afternoon to midnight CST tonight. * IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ GMZ335-355-370-375-041615- /O.CON.KHGX.SC.Y.0066.251204T2000Z-251205T0600Z/ Galveston Bay- Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 202 AM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO MIDNIGHT CST TONIGHT... * WHAT...North winds of 20 kt with gusts up to 25 kt, rough bay waters, and seas of 4 to 6 ft with occasionally higher waves. * WHERE...Portions of Gulf of America. * WHEN...From 2 PM this afternoon to midnight CST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-04 13:13:25 361 WHUS74 KHGX 041912 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 112 PM CST Thu Dec 4 2025 GMZ330-335-350-355-370-375-050600- /O.CON.KHGX.SC.Y.0066.251204T2000Z-251205T0600Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 112 PM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...North winds around 20 kt with gusts up to 25 kt expected. * WHERE...Portions of Gulf of America. * WHEN...Until midnight CST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2025-12-04 19:31:05 111 WHUS74 KHGX 050130 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 730 PM CST Thu Dec 4 2025 GMZ350-355-370-375-050900- /O.EXT.KHGX.SC.Y.0066.000000T0000Z-251205T0900Z/ Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 730 PM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM CST FRIDAY... * WHAT...North winds around 20 kt with gusts up to 25 kt expected and seas 4 to 6 ft. * WHERE...Portions of Gulf of America. * WHEN...Until 3 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GMZ330-335-050600- /O.CON.KHGX.SC.Y.0066.000000T0000Z-251205T0600Z/ Matagorda Bay-Galveston Bay- 730 PM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...North winds around 20 kt with gusts up to 25 kt expected and choppy bay waters. * WHERE...Matagorda Bay and Galveston Bay. * WHEN...Until midnight CST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-04 19:31:05 111 WHUS74 KHGX 050130 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 730 PM CST Thu Dec 4 2025 GMZ350-355-370-375-050900- /O.EXT.KHGX.SC.Y.0066.000000T0000Z-251205T0900Z/ Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 730 PM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM CST FRIDAY... * WHAT...North winds around 20 kt with gusts up to 25 kt expected and seas 4 to 6 ft. * WHERE...Portions of Gulf of America. * WHEN...Until 3 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GMZ330-335-050600- /O.CON.KHGX.SC.Y.0066.000000T0000Z-251205T0600Z/ Matagorda Bay-Galveston Bay- 730 PM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... * WHAT...North winds around 20 kt with gusts up to 25 kt expected and choppy bay waters. * WHERE...Matagorda Bay and Galveston Bay. * WHEN...Until midnight CST tonight. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2025-12-04 22:58:41 757 WHUS74 KHGX 050458 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 1058 PM CST Thu Dec 4 2025 GMZ330-335-050900- /O.EXT.KHGX.SC.Y.0066.000000T0000Z-251205T0900Z/ Matagorda Bay-Galveston Bay- 1058 PM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM CST FRIDAY... * WHAT...North wind of 15 to 20 kt with gusts to 25 kt and choppy bay waters. * WHERE...Matagorda Bay and Galveston Bay. * WHEN...Until 3 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GMZ350-355-370-375-050900- /O.CON.KHGX.SC.Y.0066.000000T0000Z-251205T0900Z/ Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 1058 PM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY... * WHAT...North winds around 20 kt with gusts up to 25 kt. * WHERE...Portions of Gulf of America. * WHEN...Until 3 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2025-12-04 22:58:41 757 WHUS74 KHGX 050458 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 1058 PM CST Thu Dec 4 2025 GMZ330-335-050900- /O.EXT.KHGX.SC.Y.0066.000000T0000Z-251205T0900Z/ Matagorda Bay-Galveston Bay- 1058 PM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM CST FRIDAY... * WHAT...North wind of 15 to 20 kt with gusts to 25 kt and choppy bay waters. * WHERE...Matagorda Bay and Galveston Bay. * WHEN...Until 3 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GMZ350-355-370-375-050900- /O.CON.KHGX.SC.Y.0066.000000T0000Z-251205T0900Z/ Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 1058 PM CST Thu Dec 4 2025 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM CST FRIDAY... * WHAT...North winds around 20 kt with gusts up to 25 kt. * WHERE...Portions of Gulf of America. * WHEN...Until 3 AM CST Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||