Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Coastal Waters Forecast for Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms (GMZ033) (Text-Only)
NWS Forecast for: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms (GMZ033)
Issued by: National Weather Service Key West, FL
Last Update: 423 AM EST Tue Jan 20 2026
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Today: North to northeast winds near 25 knots, becoming northeast 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: northwest to north 6 feet at 7 seconds.

Tonight: Northeast winds 20 to 25 knots. Seas 4 to 7 feet, occasionally to 8 feet. Wave detail: north 6 feet at 6 seconds.

Wednesday: Northeast to east winds near 20 knots, decreasing to 15 to 20 knots. Seas 4 to 7 feet, occasionally to 8 feet, subsiding to 3 to 6 feet, occasionally to 7 feet. Wave detail: northeast 5 feet at 5 seconds.

Wednesday Night: Northeast to east winds 15 to 20 knots. Seas 2 to 5 feet, occasionally to 6 feet. Isolated showers.

Thursday: Northeast to east winds near 15 knots, becoming northeast near 10 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet, subsiding to 1 to 3 feet. Isolated showers.

Thursday Night: Northeast to east winds near 10 knots. Seas 1 to 2 feet. Isolated showers.

Friday: East winds near 10 knots. Seas 1 to 2 feet. Isolated showers.

Friday Night: Northeast to east winds near 10 knots. Seas 1 to 2 feet. Isolated showers.

Saturday: East winds 10 to 15 knots. Seas 1 to 2 feet. Isolated showers.

Saturday Night: East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Isolated showers.







Zone Forecast: Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM out and beyond 5 fathoms (GMZ033)

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