NWS coastal zone LSZ143

Silver Bay Harbor to Two Harbors MN weather alerts

Marine alerts linked to this verified National Weather Service zone.

NWS feedSource freshLast successful check: Aug 2, 2026, 3:23 AM UTC

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No active alerts found

The latest successful NWS collection contained no active public alerts matched to Silver Bay Harbor to Two Harbors MN. Conditions can change.

How matching works

Official zone ID: LSZ143
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 Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI +2 more

Duluth MN to Port Wing WI, Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM, Port Wing to Sand Island WI and 2 more

Ended Jul 27, 2026, 7:45 AM UTC

Ended Official severity: Severe

Severe Thunderstorm Watch for Cook, MN; Lake, MN; St. Louis, MN +7 more

Cook, Lake, St. Louis and 19 more

Ended Jul 27, 2026, 2:00 PM UTC

Ended Official severity: Minor

Marine Weather Statement for Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN; Duluth MN to Port Wing WI +1 more

Duluth MN to Port Wing WI, Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM, Silver Bay Harbor to Two Harbors MN and 1 more

Ended Jul 27, 2026, 7:00 AM UTC

Ended Official severity: Minor

Marine Weather Statement for Taconite Harbor to Silver Bay Harbor MN; Silver Bay Harbor to Two Harbors MN; Port Wing to Sand Island WI +3 more

Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM, Outer Apostle Islands Beyond 5 NM from Mainland, Port Wing to Sand Island WI and 3 more

Ended Jul 27, 2026, 3:45 AM UTC

Ended Official severity: Minor

Dense Fog Advisory for Grand Marais to Taconite Harbor MN; Taconite Harbor to Silver Bay Harbor MN; Silver Bay Harbor to Two Harbors MN +5 more

Duluth MN to Port Wing WI, Grand Marais to Taconite Harbor MN, Outer Apostle Islands Beyond 5 NM from Mainland and 5 more

Ended Jul 29, 2026, 3:00 PM UTC

Ended Official severity: Minor

Small Craft Advisory for Chequamegon Bay-Bayfield to Oak Point WI; Silver Bay Harbor to Two Harbors MN; Two Harbors to Duluth MN +5 more

Chequamegon Bay-Bayfield to Oak Point WI, Duluth MN to Port Wing WI, Oak Point to Saxon Harbor WI and 5 more

Ended Jul 28, 2026, 12:00 AM UTC

Ended Official severity: Minor

Dense Fog Advisory for Taconite Harbor to Silver Bay Harbor MN; Silver Bay Harbor to Two Harbors MN

Grand Marais to Taconite Harbor MN, Grand Portage to Grand Marais MN, Silver Bay Harbor to Two Harbors MN and 1 more

Ended Jul 26, 2026, 3:00 PM UTC

Ended Official severity: Minor

Small Craft Advisory for Chequamegon Bay-Bayfield to Oak Point WI; Grand Portage to Grand Marais MN; Grand Marais to Taconite Harbor MN +3 more

Chequamegon Bay-Bayfield to Oak Point WI, Duluth MN to Port Wing WI, Grand Marais to Taconite Harbor MN and 8 more

Ended Jul 22, 2026, 12:00 AM UTC

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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.

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