NWS coastal zone LMZ541

Rock Island Passage to Sturgeon Bay WI weather alerts

Marine alerts linked to this verified National Weather Service zone.

NWS feedSource unavailableThe current alert state is unknown. Last successful check: Sep 7, 2026, 3:00 AM UTC.

Current answer

Active alert check

Open official zone data

Current status unknown

NWS updates are unavailable, so this service cannot confirm whether Rock Island Passage to Sturgeon Bay WI has no active alerts.

Check weather.gov

Official zone ID: LMZ541
Zone type: coastal
State: Marine or multi-state area
Metadata verified: Yes, from NWS

Context only

Recently ended alerts

Ended Official severity: Minor

Marine Weather Statement for Rock Island Passage to Sturgeon Bay WI; Sturgeon Bay to Two Rivers WI; Two Rivers to Sheboygan WI +3 more

Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake, Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake, Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake and 3 more

Ended Sep 3, 2026, 4:30 PM UTC

Ended Official severity: Minor

Marine Weather Statement for Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI; Rock Island Passage to Sturgeon Bay WI; Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake

Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI, Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM offshore to mid lake, Rock Island Passage to Sturgeon Bay WI

Ended Aug 22, 2026, 7:15 PM UTC

Ended Official severity: Minor

Small Craft Advisory for Rock Island Passage to Sturgeon Bay WI; Sturgeon Bay to Two Rivers WI; Two Rivers to Sheboygan WI

Rock Island Passage to Sturgeon Bay WI, Sturgeon Bay to Two Rivers WI, Two Rivers to Sheboygan WI

Ended Aug 30, 2026, 10:00 PM UTC

Ended Official severity: Minor

Small Craft Advisory for Rock Island Passage to Sturgeon Bay WI

Rock Island Passage to Sturgeon Bay WI

Ended Aug 26, 2026, 4:00 PM UTC

Ended Official severity: Minor

Small Craft Advisory for Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI; Rock Island Passage to Sturgeon Bay WI

Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI, Rock Island Passage to Sturgeon Bay WI

Ended Aug 23, 2026, 3:00 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