Weather Warning for the Great Salt Lake A Gale Force Warning has been issued for the Great Salt Lake NW winds are already hitting Hat Island and will work down the lake this morning. Winds are expected to stay strong through the day before softening late evening. Winds will approach or exceed 30 mph with strong NW seas 4 to 6 feet likely. Dave Shearer Harbormaster Great Salt Lake Marina Have you checked your docklines lately?