FZUS74 KHGX 200021 MWSHGX Marine Weather Statement National Weather Service Houston/Galveston TX 621 PM CST Thu Feb 19 2026 GMZ330-200830- Matagorda Bay- 621 PM CST Thu Feb 19 2026 Areas of fog are expected again tonight. Visibility is expected to average in the 2 to 4 NM range. However, locally denser fog resulting in visibility under 1 NM is likely. If the chance of more widespread visibility under 1 NM begins to increase, then we may need to issue a marine Dense Fog Advisory for Matagorda Bay. $$