Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South.
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Coastal Waters Forecast for Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM (GMZ750) (Text-Only)
NWS Forecast for: Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM (GMZ750)
Issued by: National Weather Service Tallahassee, FL
Last Update: 904 PM EST Fri Jan 18 2019




Overnight: South winds 10 to 15 knots. Seas 2 to 3 feet. dominant period 3 seconds. Protected waters a light chop. Slight chance of rain.

Saturday: South winds 20 to 25 knots. Seas 3 to 5 feet building to 5 to 7 feet with occasional seas up to 9 feet. Dominant period 5 seconds. Protected waters choppy. Showers likely and chance of thunderstorms.

Saturday Night: West winds 25 knots becoming northwest 25 to 30 knots after midnight. Gusts to 40 knots. Seas 7 to 10 feet with occasional seas up to 13 feet. Dominant period 7 seconds. Protected waters rough. Showers and thunderstorms.

Sunday: Northwest winds 25 knots. Gusts to 40 knots until late afternoon. Seas 7 to 10 feet with occasional seas up to 13 feet. Dominant period 7 seconds. Protected waters rough. Slight chance of showers in the morning.

Sunday Night: North winds 15 to 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Dominant period 6 seconds. Protected waters choppy.

Monday: Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Protected waters a light chop.

Monday Night: Southeast winds 15 to 20 knots. Seas 2 to 4 feet. Protected waters a moderate chop.

Tuesday: Southeast winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Protected waters choppy. Slight chance of showers.

Tuesday Night: Southeast winds 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Protected waters choppy. Chance of showers.

Wednesday: South winds 20 knots. Seas 5 to 7 feet with occasional seas up to 9 feet. Protected waters choppy. Showers with a slight chance of thunderstorms.



Zone Forecast: Coastal waters from Okaloosa-Walton County Line to Mexico Beach out 20 NM (GMZ750)

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