GMZ300-080630-
1248 PM CDT Wed Oct 7 2026
.Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
including Galveston and Matagorda Bays.
Tropical Storm Isaias is expected to become a hurricane before
moving ashore into the central Gulf Coast later this week. Though
it should track well to our east, we may still experience
increasing Gulf seas, swells, and winds later today through early
Saturday. We continue to think Small Craft conditions are likely
in the offshore Gulf. Winds and seas should decrease late
Saturday into Sunday. Water levels will also run above normal,
possibly nearing Coastal Flood Advisory thresholds by Friday.
$$
GMZ330-080630-
Matagorda Bay-
1248 PM CDT Wed Oct 7 2026
THIS AFTERNOON
East winds 5 to 10 knots. Bay waters smooth.
TONIGHT
East winds 10 to 15 knots, becoming northeast around
10 knots after midnight. Bay waters slightly choppy, diminishing
to smooth after midnight.
THURSDAY
Northeast winds around 10 knots, becoming east in the
afternoon. Bay waters smooth to slightly choppy, increasing to
slightly choppy in the afternoon.
THURSDAY NIGHT
East winds 10 to 15 knots with gusts up to
20 knots, becoming northeast around 10 knots after midnight. Bay
waters slightly choppy, diminishing to smooth after midnight.
FRIDAY
Northeast winds 10 to 15 knots. Bay waters slightly
choppy. A chance of showers in the afternoon.
FRIDAY NIGHT
Northeast winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.
SATURDAY
Northeast winds 5 to 10 knots. Bay waters smooth.
SATURDAY NIGHT
East winds 5 to 10 knots. Bay waters smooth.
SUNDAY
East winds 5 to 10 knots. Bay waters smooth.
SUNDAY NIGHT
Southeast winds 10 to 15 knots, diminishing to
around 10 knots after midnight. Bay waters slightly choppy,
diminishing to smooth after midnight.
$$
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