Watches, Warnings & Advisories



2 products issued by NWS for: Grosse Pointe MI

Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
349 AM EDT Thu Jul 16 2026

LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-170800-
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-
349 AM EDT Thu Jul 16 2026

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

.DAY ONE...Today and Tonight

A dense smoke advisory is in effect this morning. An extension will
be likely as wildfire smoke remains entrenched across the Great
Lakes.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Thunderstorms become more numerous and widespread at times Friday
into early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$

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

AM




Dense Smoke Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
1006 PM EDT Thu Jul 16 2026

LCZ460-LHZ421-422-441>443-462>464-171415-
/O.EXT.KDTX.MS.Y.0001.000000T0000Z-260717T2000Z/
Lake St Clair-
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-
1006 PM EDT Thu Jul 16 2026

...DENSE SMOKE ADVISORY NOW IN EFFECT UNTIL 4 PM EDT FRIDAY...

* WHAT...Dense smoke will reduce visibility to 1 NM or less.

* WHERE...Portions of Lake Huron and Lake St Clair.

* WHEN...The maximum winds are expected around 3 PM EDT Friday
  with the largest waves expected around 1 AM EDT Friday.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

$$