Immediate

Responsive action SHOULD be taken immediately

Severe Storm Warning | Effective 09/25/2026 09:57

* WHAT...North winds 35 to 45 kt with gusts up to 55 kt and seas 16 to 21 ft. * WHERE...Waters from Fenwick Island DE to Chintoteague VA from 20 to 60 NM, Waters from Chincoteague VA to Parramore Island VA from 20 to 60 NM and Waters from Parramore Island VA to Cape Charles Light VA from 20 to 60 NM. * WHEN...Until 1 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the

Severe Storm Warning | Effective 09/25/2026 09:37

* WHAT...Northeast winds 25 to 35 kt with gusts up to 55 kt and seas 7 to 10 feet. * WHERE...In Massachusetts coastal waters, Nantucket Sound, Vineyard Sound and Buzzards Bay. In Rhode Island coastal waters, Rhode Island Sound and Block Island Sound. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

Severe Storm Warning | Effective 09/25/2026 09:37

* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and seas 16 to 21 feet. * WHERE...In Massachusetts coastal waters, Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary and Massachusetts Bay and Ipswich Bay. In Atlantic coastal waters, Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

Severe Storm Warning | Effective 09/25/2026 09:37

* WHAT...Northeast winds 20 to 25 kt with gusts up to 50 kt and waves around 3 feet expected. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous waves will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

Severe Storm Warning | Effective 09/25/2026 09:37

* WHAT...Northeast winds 25 to 35 kt with gusts up to 55 kt and seas 17 to 22 feet. * WHERE...In Massachusetts coastal waters, Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM. In Atlantic coastal waters, Ocean Waters from Provincetown to Nantucket from 20 to 60 NM. * WHEN...Until 8 PM EDT Saturday. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility. Mariners should remain in port, alter course, and/or secure the

Severe Storm Warning | Effective 09/25/2026 09:37

* WHAT...Northeast winds 30 to 40 kt with gusts up to 55 kt and seas 20 to 25 feet. * WHERE...In Massachusetts coastal waters, Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket. In Rhode Island coastal waters, Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island. In Atlantic coastal waters, Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM.
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