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 >
| 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: 1027 AM EST Mon Jan 19 2026 |  |
This Afternoon: North winds near 20 knots, briefly becoming north to northeast 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: northwest to north 7 feet at 8 seconds. Tonight: North to northeast winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave detail: north to northeast 5 feet at 6 seconds. Tuesday: North to northeast winds 20 to 25 knots, becoming northeast near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: northwest to north 6 feet at 7 seconds. Tuesday Night: Northeast winds near 20 knots, increasing to 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wednesday: Northeast to east winds 20 to 25 knots, decreasing to 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 5 feet, occasionally to 6 feet. Wednesday Night: Northeast to east winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Isolated showers. Thursday: Northeast winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Isolated showers. Thursday Night: Northeast winds 10 to 15 knots, becoming northeast to east near 15 knots. Seas 2 to 3 feet. Isolated showers. Friday: Northeast to east winds near 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. isolated showers. Friday Night: East winds near 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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