GMZ200-211830-
1151 PM CST Tue Jan 20 2026
.SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS...
A gentle to moderate (BF 3-4) onshore flow the rest of tonight,
with a fresh breeze across the offshore waters. Winds diminish to
a light to gentle (BF 2-3) breeze this afternoon. Onshore flow
begins to increase Friday ahead of a strong Arctic cold front.
Winds are expected to shift to a northerly direction and increase
to a strong to near gale (BF 6-7) flow by Saturday morning behind
the cold front. Small Craft Advisory conditions expected through
the weekend into early next week. A Gale Watch may be necessary.
Moderate to high (70-90%) rain chances over the waters today
thanks due surface trough and mid-level disturbance. Rain chances
diminish Thursday and Friday, then increase to a moderate to high
once again over the weekend as the arctic front pushes through.
Temperatures will be around freezing along the coast with wind
chill values feeling well below freezing during late night into
early morning hours Saturday night through Monday morning.
$$
GMZ236-237-211830-
Copano, Aransas, and Redfish Bays-
San Antonio, Mesquite, and Espiritu Santo Bays-
1151 PM CST Tue Jan 20 2026
TODAY
Northeast winds 5 to 10 knots, becoming east 10 to
15 knots late this morning and afternoon. Bay and inland waters
slightly choppy to occasionally choppy. A slight chance of
showers late this morning and afternoon.
TONIGHT
Southeast winds around 10 knots, becoming south after
midnight. Bay and inland waters smooth. A chance of showers in
the evening, then a slight chance of showers and thunderstorms
after midnight.
WEDNESDAY
South winds 5 to 10 knots. Bay and inland waters
smooth. A chance of showers.
WEDNESDAY NIGHT
East winds around 5 knots. Bay and inland
waters smooth. A slight chance of showers in the evening. Patchy
fog.
THURSDAY
East winds around 5 knots, becoming southeast in the
afternoon. Bay and inland waters smooth. A slight chance of
showers in the morning. Patchy fog in the morning.
THURSDAY NIGHT
Southeast winds 5 to 10 knots. Bay and inland
waters smooth.
FRIDAY
Southeast winds 5 to 10 knots. Bay and inland waters
smooth. A chance of showers in the afternoon.
FRIDAY NIGHT
East winds 10 to 15 knots, becoming northeast
after midnight. Bay and inland waters slightly choppy to
occasionally choppy. A chance of showers in the evening, then
showers likely after midnight.
SATURDAY
North winds 15 to 20 knots. Bay and inland waters
choppy to occasionally rough. Showers likely.
SATURDAY NIGHT
North winds 20 to 25 knots. Bay and inland
waters choppy to rough. A chance of freezing drizzle. Showers
likely, mainly in the evening.
Winds and waves higher in and near thunderstorms.
$$
|
