GMZ300-210015-
623 AM CDT Sun Sep 20 2026
.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.
Light to occasionally moderate east to southeast winds are expected
through mid week, followed by a modest increase in the winds from
the east to northeast during the second half of the week. There will
be a daily risk of an isolated shower or storm. Gulf seas should
average 2-3 feet, possibly increasing somewhat later in the week.
$$
GMZ335-210015- Galveston Bay- 623 AM CDT Sun Sep 20 2026 TODAY East winds around 5 knots, becoming southeast late. Bay waters smooth. A slight chance of showers this morning. A slight chance of thunderstorms late this morning. A slight chance of showers and thunderstorms late. TONIGHT South winds 5 to 10 knots. Bay waters smooth. MONDAY Northeast winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth. MONDAY NIGHT Southeast winds 5 to 10 knots, becoming southwest after midnight. Bay waters smooth. TUESDAY North winds 5 to 10 knots, becoming east in the afternoon. Bay waters smooth. TUESDAY NIGHT Southeast winds around 5 knots. Bay waters smooth. WEDNESDAY Northeast winds 5 to 10 knots, becoming east in the afternoon. Bay waters smooth. WEDNESDAY NIGHT Southeast winds around 10 knots, becoming east 10 to 15 knots after midnight. Bay waters smooth, increasing to slightly choppy after midnight. THURSDAY Northeast winds 10 to 15 knots. Bay waters slightly choppy. THURSDAY NIGHT East winds around 10 knots, becoming northeast 10 to 15 knots after midnight. Bay waters smooth, increasing to slightly choppy after midnight. Winds and waves higher in and near thunderstorms. $$
GMZ335-210015- Galveston Bay- 623 AM CDT Sun Sep 20 2026 TODAY East winds around 5 knots, becoming southeast late. Bay waters smooth. A slight chance of showers this morning. A slight chance of thunderstorms late this morning. A slight chance of showers and thunderstorms late. TONIGHT South winds 5 to 10 knots. Bay waters smooth. MONDAY Northeast winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth. MONDAY NIGHT Southeast winds 5 to 10 knots, becoming southwest after midnight. Bay waters smooth. TUESDAY North winds 5 to 10 knots, becoming east in the afternoon. Bay waters smooth. TUESDAY NIGHT Southeast winds around 5 knots. Bay waters smooth. WEDNESDAY Northeast winds 5 to 10 knots, becoming east in the afternoon. Bay waters smooth. WEDNESDAY NIGHT Southeast winds around 10 knots, becoming east 10 to 15 knots after midnight. Bay waters smooth, increasing to slightly choppy after midnight. THURSDAY Northeast winds 10 to 15 knots. Bay waters slightly choppy. THURSDAY NIGHT East winds around 10 knots, becoming northeast 10 to 15 knots after midnight. Bay waters smooth, increasing to slightly choppy after midnight. Winds and waves higher in and near thunderstorms. $$