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🟠Severe
Urgent Action Required
Storm Warning
Nantucket Sound; Vineyard Sound; Buzzards Bay
Storm Warning issued December 18 at 12:27AM EST until December 19 at 3:00PM EST by NWS Boston/Norton MA
Alert Description
* WHAT...South winds 30 to 35 kt with gusts up to 50 kt and seas 6 to 9 feet expected. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...From 9 AM to 3 PM EST Friday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.
Safety Instructions
Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.
Time Information
Effective
Dec 19, 2025, 2:00 PM
Expires
Dec 18, 2025, 9:00 PM
Issued
Dec 18, 2025, 5:27 AM
Alert Details
Severity
Severe
Urgency
Immediate
Certainty
Observed
Category
Met
Issued By
NWS Boston/Norton MA
National Weather Service