Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
339 PM EDT Sun Mar 30 2025
LMZ844>849-310345-
/O.EXT.KGRR.SC.Y.0038.250330T2000Z-250401T0600Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
339 PM EDT Sun Mar 30 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT TUESDAY...
* WHAT...Northwest winds 15 to 30 knots developing tonight and
waves building to 5 to 8 feet.
* WHERE...St Joseph to Manistee.
* WHEN...Until 2 AM EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
DUKE
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
311 PM EDT Sun Mar 30 2025
LHZ345>349-310600-
/O.CON.KAPX.SC.Y.0041.000000T0000Z-250401T0000Z/
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
311 PM EDT Sun Mar 30 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...
* WHAT...Highest gusts up to 30 kts from the north and highest
waves around 7 feet.
* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge
including Mackinac Island, St Ignace to False Detour Channel,
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island, Presque Isle Light to Sturgeon Pt MI
Including Thunder Bay National Marine Sanctuary and Sturgeon
Pt to Alabaster MI.
* WHEN...Until 8 PM EDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
311 PM EDT Sun Mar 30 2025
LMZ323-341-342-344>346-310600-
/O.CON.KAPX.SC.Y.0041.000000T0000Z-250401T0000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-Seul Choix Point to 5NM West of Mackinac Bridge-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
311 PM EDT Sun Mar 30 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT MONDAY...
* WHAT...Highest gusts up to 30 kts from the north and highest
waves around 8 feet.
* WHERE...Portions of Lake Michigan.
* WHEN...Until 8 PM EDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Northern Indiana
306 PM EDT Sun Mar 30 2025
LMZ043-046-310315-
/O.CON.KIWX.SC.Y.0027.250331T0300Z-250401T0900Z/
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
306 PM EDT Sun Mar 30 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 AM EDT TUESDAY...
* WHAT...Northwest winds 15 to 20 knots with gusts up to 25 knots
and waves 5 to 8 feet expected.
* WHERE...Michigan City IN to St Joseph MI.
* WHEN...From 11 PM this evening to 5 AM EDT Tuesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
947 AM EDT Sun Mar 30 2025
LHZ421-441-310215-
/O.CAN.KDTX.SC.Y.0025.000000T0000Z-250330T2000Z/
/O.NEW.KDTX.SC.Y.0026.250331T1200Z-250401T2000Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Port Austin to Harbor Beach MI-
947 AM EDT Sun Mar 30 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM MONDAY TO 4 PM EDT
TUESDAY...
...SMALL CRAFT ADVISORY FOR THE REST OF TODAY IS CANCELLED...
* WHAT...Expect sustained winds up to 22 knots from the north
with gusts up to 28 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 and Port Austin to Harbor Beach MI.
* WHEN...The maximum winds are expected around 10 PM EDT Monday
with the largest waves expected around 11 PM EDT Monday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
