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Home Return to list Small Craft Advisory 0027 Issued by the Houston / Galveston Forecast Office
Action: New Issued At: 2026-05-16 23:24:13 241 WHUS74 KHGX 170423 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 1123 PM CDT Sat May 16 2026 GMZ330-335-350-355-370-375-172100- /O.NEW.KHGX.SC.Y.0027.260517T0423Z-260518T1500Z/ 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- 1123 PM CDT Sat May 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT MONDAY... * WHAT...Southeast winds near 20 kt with gusts up to 25 kt and seas building to 5 to 8 ft. * WHERE...Portions of Gulf of America. * WHEN...Until 10 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 06:36:40 482 WHUS74 KHGX 171136 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 636 AM CDT Sun May 17 2026 GMZ330-335-350-355-370-375-171945- /O.CON.KHGX.SC.Y.0027.000000T0000Z-260518T1500Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 636 AM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT MONDAY... * WHAT...Southeast winds near 20 kt with gusts up to 25 kt and seas building to 5 to 8 ft. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf waters. * WHEN...Until 10 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-17 13:56:24 411 WHUS74 KHGX 171855 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 155 PM CDT Sun May 17 2026 GMZ330-335-350-355-370-375-180900- /O.CON.KHGX.SC.Y.0027.000000T0000Z-260518T1500Z/ 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- 155 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT MONDAY... * WHAT...Southeast winds near 20 kt with gusts up to 25 kt and seas building to 5 to 8 ft. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf waters. * WHEN...Until 10 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-05-17 23:59:45 809 WHUS74 KHGX 180459 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 1159 PM CDT Sun May 17 2026 GMZ330-335-350-355-370-375-181300- /O.EXT.KHGX.SC.Y.0027.000000T0000Z-260519T1400Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 1159 PM CDT Sun May 17 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CDT TUESDAY... * WHAT...Southeast winds near 20 kt with gusts up to 30 kt and seas 5 to 8 ft. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf waters. * WHEN...Until 9 AM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-18 06:35:07 960 WHUS74 KHGX 181134 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 634 AM CDT Mon May 18 2026 GMZ330-335-350-355-370-375-181945- /O.CON.KHGX.SC.Y.0027.000000T0000Z-260519T1400Z/ 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- 634 AM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT TUESDAY... * WHAT...Southeast winds near 20 kt with gusts up to 30 kt and seas 5 to 8 ft. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf waters. * WHEN...Until 9 AM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-18 15:19:23 376 WHUS74 KHGX 182018 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 318 PM CDT Mon May 18 2026 GMZ330-335-350-355-370-375-190800- /O.CON.KHGX.SC.Y.0027.000000T0000Z-260519T1400Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM-Waters from High Island to Freeport TX from 20 to 60 NM- 318 PM CDT Mon May 18 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT TUESDAY... * WHAT...Southeast winds near 20 kt with gusts up to 30 kt and seas 5 to 8 ft. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf waters. * WHEN...Until 9 AM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-05-19 01:03:44 352 WHUS74 KHGX 190603 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 103 AM CDT Tue May 19 2026 GMZ330-335-350-355-370-375-191415- /O.EXT.KHGX.SC.Y.0027.000000T0000Z-260521T0000Z/ 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- 103 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT WEDNESDAY... * WHAT...Southeast winds near 20 kt with gusts up to 30 kt and seas 5 to 8 ft. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf waters. * WHEN...Until 7 PM CDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Cassel Action: Time Extended Issued At: 2026-05-19 01:16:44 802 WHUS74 KHGX 190616 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 116 AM CDT Tue May 19 2026 GMZ330-335-350-355-191400- /O.EXT.KHGX.SC.Y.0027.000000T0000Z-260519T1400Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 116 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Southeast winds near 20 kt with gusts up to 25 kt, rough bay waters, and Gulf seas 5 to 8 ft. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf waters. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GMZ370-375-191430- /O.EXT.KHGX.SC.Y.0027.000000T0000Z-260520T1200Z/ 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- 116 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM CDT WEDNESDAY... * WHAT...Southeast winds near 20 kt with gusts up to 30 kt and seas 5 to 8 ft through this morning. Seas over 6 feet could linger into Wednesday morning. * WHERE...20 to 60 NM Offshore Gulf waters. * WHEN...Until 7 AM CDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-05-19 01:16:44 802 WHUS74 KHGX 190616 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 116 AM CDT Tue May 19 2026 GMZ330-335-350-355-191400- /O.EXT.KHGX.SC.Y.0027.000000T0000Z-260519T1400Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 116 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Southeast winds near 20 kt with gusts up to 25 kt, rough bay waters, and Gulf seas 5 to 8 ft. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf waters. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GMZ370-375-191430- /O.EXT.KHGX.SC.Y.0027.000000T0000Z-260520T1200Z/ 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- 116 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM CDT WEDNESDAY... * WHAT...Southeast winds near 20 kt with gusts up to 30 kt and seas 5 to 8 ft through this morning. Seas over 6 feet could linger into Wednesday morning. * WHERE...20 to 60 NM Offshore Gulf waters. * WHEN...Until 7 AM CDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Continued Issued At: 2026-05-19 08:44:45 138 WHUS74 KHGX 191343 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 843 AM CDT Tue May 19 2026 GMZ330-335-350-355-191800- /O.EXT.KHGX.SC.Y.0027.000000T0000Z-260519T1800Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 843 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Southeast winds near 20 kt with gusts up to 25 kt, rough bay waters, and Gulf seas 5 to 8 ft. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf waters. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GMZ370-375-192200- /O.CON.KHGX.SC.Y.0027.000000T0000Z-260520T1200Z/ 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- 843 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT WEDNESDAY... * WHAT...Southeast winds near 20 kt with gusts up to 30 kt and seas 5 to 8 ft through this morning. Seas over 6 feet could linger into Wednesday morning. * WHERE...20 to 60 NM Offshore Gulf waters. * WHEN...Until 7 AM CDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-05-19 08:44:45 138 WHUS74 KHGX 191343 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 843 AM CDT Tue May 19 2026 GMZ330-335-350-355-191800- /O.EXT.KHGX.SC.Y.0027.000000T0000Z-260519T1800Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 843 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... * WHAT...Southeast winds near 20 kt with gusts up to 25 kt, rough bay waters, and Gulf seas 5 to 8 ft. * WHERE...Galveston Bay, Matagorda Bay, and the adjacent Gulf waters. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ GMZ370-375-192200- /O.CON.KHGX.SC.Y.0027.000000T0000Z-260520T1200Z/ 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- 843 AM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT WEDNESDAY... * WHAT...Southeast winds near 20 kt with gusts up to 30 kt and seas 5 to 8 ft through this morning. Seas over 6 feet could linger into Wednesday morning. * WHERE...20 to 60 NM Offshore Gulf waters. * WHEN...Until 7 AM CDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Time Extended Issued At: 2026-05-19 12:56:54 316 WHUS74 KHGX 191756 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 1256 PM CDT Tue May 19 2026 GMZ330-335-350-355-191900- /O.EXP.KHGX.SC.Y.0027.000000T0000Z-260519T1800Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 1256 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 1 PM CDT THIS AFTERNOON... Onshore winds are already under advisory levels; therefore, the Small Craft Advisory will expire at 1 PM this afternoon. $$ GMZ370-375-200000- /O.EXT.KHGX.SC.Y.0027.000000T0000Z-260520T0000Z/ 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- 1256 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Southeast winds around 20 kt. Seas around 7 ft. * WHERE...Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM and Waters from High Island to Freeport TX from 20 to 60 NM. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ Action: Expired Issued At: 2026-05-19 12:56:54 316 WHUS74 KHGX 191756 MWWHGX URGENT - MARINE WEATHER MESSAGE National Weather Service Houston/Galveston TX 1256 PM CDT Tue May 19 2026 GMZ330-335-350-355-191900- /O.EXP.KHGX.SC.Y.0027.000000T0000Z-260519T1800Z/ Matagorda Bay-Galveston Bay- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 1256 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY WILL EXPIRE AT 1 PM CDT THIS AFTERNOON... Onshore winds are already under advisory levels; therefore, the Small Craft Advisory will expire at 1 PM this afternoon. $$ GMZ370-375-200000- /O.EXT.KHGX.SC.Y.0027.000000T0000Z-260520T0000Z/ 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- 1256 PM CDT Tue May 19 2026 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS EVENING... * WHAT...Southeast winds around 20 kt. Seas around 7 ft. * WHERE...Waters from Freeport to Matagorda Ship Channel TX from 20 to 60 NM and Waters from High Island to Freeport TX from 20 to 60 NM. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. && $$ | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||