Severe Thunderstorm and Tropical Storm Bertha Impacts
Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >
| NWS Forecast for: Waters from Baffin Bay to Port Aransas from 20 to 60 NM (GMZ270) Issued by: National Weather Service Corpus Christi, TX Last Update: 205 PM CDT Tue Jul 21 2026 |  |
| Tonight: South winds 5 to 10 knots, increasing to 10 to 15 knots late this evening and early morning, then becoming southwest late. Seas 2 to 3 feet. Wave detail: south 2 feet at 5 seconds and southeast 1 foot at 9 seconds. Wednesday: Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave detail: south 2 feet at 4 seconds and east 1 foot at 8 seconds. Wednesday Night: Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: south 2 feet at 4 seconds and east 1 foot at 8 seconds. Thursday: Southwest winds 10 to 15 knots, becoming south 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave detail: south 2 feet at 4 seconds and east 1 foot at 7 seconds. A slight chance of thunderstorms in the morning. A chance of showers. Thursday Night: South winds 10 to 15 knots. Seas around 3 feet. Wave detail: southeast 2 feet at 5 seconds. A slight chance of showers. Friday: South winds 10 to 15 knots. Seas around 3 feet. Wave detail: southeast 3 feet at 6 seconds. Friday Night: South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Saturday: South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Saturday Night: Southeast winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Sunday: South winds 10 to 15 knots. Seas around 3 feet. Sunday Night: South winds 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. winds and seas higher in and near thunderstorms. | |
| Zone Forecast: Waters from Baffin Bay to Port Aransas from 20 to 60 NM (GMZ270) | |
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