Watches, Warnings & Advisories



2 products issued by NWS for: 12NM N Port Sanilac MI

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
947 AM EDT Sun May 17 2026

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-181400-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
947 AM EDT Sun May 17 2026

This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.

.DAY ONE...Today and Tonight

Scattered thunderstorms are expected this afternoon and evening. The
strongest storms are expected across Saginaw Bay and locations north
of Port Sanilac in Lake Huron. Wind gusts to 50 knots and hail to one
inch in diameter will be the main severe weather hazards.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

The risk for severe weather exists again Monday and Tuesday mainly
during the afternoon and evening hours, with strong winds, large
hail and heavy rainfall possible.

.SPOTTER INFORMATION STATEMENT...
Dispatchers...Please notify your emergency managers immediately.
Spotter activation may be needed late this afternoon and evening.

$$

You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.

SC




Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
309 PM EDT Sun May 17 2026

LHZ421-422-441>443-180830-
/O.NEW.KDTX.SC.Y.0031.260518T1400Z-260519T0200Z/
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
309 PM EDT Sun May 17 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM TO 10 PM EDT
MONDAY...

* WHAT...Expect sustained winds up to 22 knots from the
  southwest with gusts up to 28 knots. The largest significant
  waves will be 4 feet with a potential maximum wave height of 5
  feet.

* WHERE...Outer Saginaw Bay SW of Alabaster to Port Austin MI to
  Inner Saginaw Bay, Inner Saginaw Bay SW of Point Au Gres to
  Bay Port MI, Port Austin to Harbor Beach MI, Harbor Beach to
  Port Sanilac MI and Port Sanilac to Port Huron MI.

* WHEN...The maximum winds are expected around 2 PM EDT Monday
  with the largest waves expected around 2 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.

&&

$$