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This special marine warning is no longer in effect. It expired . It is kept here for reference only — do not rely on it for current conditions. See alerts in effect now

Special Marine Warning

Expired

Cape Cod Bay; Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary; Massachusetts Bay and Ipswich Bay; Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM

Status Ended Started 30 minutes ago
Ends expired
Issued
Severity Severe
Urgency Immediate
Certainty Likely

Details

The affected areas were... Cape Cod Bay... Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary... Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM... Massachusetts Bay and Ipswich Bay...
The thunderstorm has weakened and no longer poses a significant threat to boaters.
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