Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
219 AM EST Fri Nov 7 2025
LHZ345>349-071530-
/O.CON.KAPX.SC.Y.0107.000000T0000Z-251108T1000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
219 AM EST Fri Nov 7 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
SATURDAY...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 9 feet.
* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
including Mackinac Island, St Ignace to False Detour Channel,
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI
Including Thunder Bay National Marine Sanctuary and Sturgeon
Pt to Alabaster MI.
* WHEN...Until 5 AM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
939 PM EST Thu Nov 6 2025
LMZ043-046-071045-
/O.CON.KIWX.SC.Y.0067.251107T0300Z-251108T0900Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
939 PM EST Thu Nov 6 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
SATURDAY...
* WHAT...South winds 15 to 25 knots with gusts to 30 knots late
tonight into early Friday morning. Winds become westerly Friday
into Friday night gusting to 25 knots. Waves 2 to 5 feet
expected.
* WHERE...Michigan City IN to St Joseph MI.
* WHEN...Until 4 AM EST Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
938 PM EST Thu Nov 6 2025
LHZ421-441-442-071530-
/O.CON.KDTX.SC.Y.0082.251107T0500Z-251108T1500Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
Harbor Beach to Port Sanilac MI-
938 PM EST Thu Nov 6 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...
* WHAT...Expect sustained winds up to 27 knots from the west
with gusts up to 33 knots. The largest significant waves will
be 6 feet with a potential maximum wave height of 8 feet.
* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
Inner Saginaw Bay, Port Austin to Harbor Beach MI and Harbor
Beach to Port Sanilac MI.
* WHEN...The maximum winds are expected around 5 AM EST Friday
with the largest waves expected around 5 AM EST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
938 PM EST Thu Nov 6 2025
LHZ422-443-071530-
/O.CON.KDTX.SC.Y.0082.251107T0500Z-251108T0900Z/
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Sanilac to Port Huron MI-
938 PM EST Thu Nov 6 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EST
SATURDAY...
* WHAT...Expect sustained winds up to 27 knots from the
southwest with gusts up to 33 knots. The largest significant
waves will be 5 feet with a potential maximum wave height of 7
feet.
* WHERE...Inner Saginaw Bay SW of Point Au Gres to Bay Port MI
and Port Sanilac to Port Huron MI.
* WHEN...The maximum winds are expected around 5 AM EST Friday
with the largest waves expected around 5 AM EST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
