NWS coastal zone ANZ230

Boston Harbor weather alerts

Marine alerts linked to this verified National Weather Service zone.

NWS feedSource freshLast successful check: Aug 2, 2026, 3:13 AM UTC

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No active alerts found

The latest successful NWS collection contained no active public alerts matched to Boston Harbor. Conditions can change.

How matching works

Official zone ID: ANZ230
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 Boston Harbor; Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary; Massachusetts Bay and Ipswich Bay

Boston Harbor, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Massachusetts Bay and Ipswich Bay

Ended Jul 22, 2026, 9:30 PM UTC

Ended Official severity: Minor

Marine Weather Statement for Boston Harbor; Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary; Massachusetts Bay and Ipswich Bay

Boston Harbor, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary, Massachusetts Bay and Ipswich Bay

Ended Jul 22, 2026, 9:15 PM UTC

Ended Official severity: Minor

Marine Weather Statement for Boston Harbor; Cape Cod Bay; Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary +4 more

Boston Harbor, Cape Cod Bay, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and 4 more

Ended Jul 21, 2026, 10:15 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.

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