NWS coastal zone LMZ669

Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake weather alerts

Marine alerts linked to this verified National Weather Service zone.

NWS feedSource freshLast successful check: Aug 2, 2026, 2:18 AM UTC

Current answer

Active alert check

No active alerts found

The latest successful NWS collection contained no active public alerts matched to Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake. Conditions can change.

How matching works

Official zone ID: LMZ669
Zone type: coastal
State: Marine or multi-state area
Metadata verified: Yes, from NWS

Context only

Recently ended alerts

Ended Official severity: Severe

Special Marine Warning for Sheboygan to Port Washington WI; Port Washington to North Point Light WI; North Point Light to Wind Point WI +5 more

Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake, Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake, Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake and 5 more

Ended Jul 27, 2026, 7:30 PM UTC

Ended Official severity: Severe

Special Marine Warning for Sheboygan to Port Washington WI; Port Washington to North Point Light WI; North Point Light to Wind Point WI +5 more

Ended Jul 27, 2026, 5:15 PM UTC

Zone matching is not a personal forecast

This page uses official NWS zone membership. For exact location matching, an alert must include official geometry or be linked to a verified zone geometry that contains the point.

How location matching works