Active Weather Alerts
Low Water Advisory
Issued: 2:32 AM Dec. 19, 2025 – National Weather Service
...GALE WARNING NOW IN EFFECT UNTIL 7 PM EST FRIDAY... ...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST FRIDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...During the Low Water Advisory, abnormally low water levels. During the Small Craft Advisory, expect sustained winds up to 22 knots from the south with gusts up to 30 knots. During the Gale Warning, expect sustained winds up to 28 knots from the west with gusts up to 37 knots expected. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 1 PM EST Friday with the largest waves expected around 12 PM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Below normal water levels will result in hazardous navigating conditions. * ADDITIONAL DETAILS...Persistent southwest to west gales into Friday will cause water levels to drop near or below low water datum. The current forecast is for water levels at Essexville to periodically drop to 14 inches below low water datum. The critical mark for safe navigation is 10 inches below low water datum. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. Mariners should navigate shallow waters with extreme caution due to below normal water levels. &&
Gale Warning
Issued: 2:32 AM Dec. 19, 2025 – National Weather Service
...GALE WARNING NOW IN EFFECT UNTIL 7 PM EST FRIDAY... ...LOW WATER ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST FRIDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... * WHAT...During the Low Water Advisory, abnormally low water levels. During the Small Craft Advisory, expect sustained winds up to 22 knots from the south with gusts up to 30 knots. During the Gale Warning, expect sustained winds up to 28 knots from the west with gusts up to 37 knots expected. * WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI. * WHEN...The maximum winds are expected around 1 PM EST Friday with the largest waves expected around 12 PM EST Friday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility. Below normal water levels will result in hazardous navigating conditions. * ADDITIONAL DETAILS...Persistent southwest to west gales into Friday will cause water levels to drop near or below low water datum. The current forecast is for water levels at Essexville to periodically drop to 14 inches below low water datum. The critical mark for safe navigation is 10 inches below low water datum. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. Mariners should navigate shallow waters with extreme caution due to below normal water levels. &&
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