Synopsis for High Island to the Matagorda Ship Channel out 60 nautical miles including Galveston and Matagorda Bays 930 PM CDT Thu Mar 28 2024 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM including Galveston and Matagorda Bays. Light to moderate onshore winds are expected through early next week and may require Caution flags at times. High risk of rip currents along the Gulf facing coasts is also possible. The next cold front is expected to move through on Tuesday and moderate to strong offshore winds and elevated seas will develop in the wake of the front Tuesday night through Wednesday. Small Craft Advisories may be needed. $$