Special Marine Warning Issued for Nantucket Sound and Coastal Waters
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NWS Boston/Norton has issued a Special Marine Warning for multiple coastal waters including Nantucket Sound until 2:00 PM EDT due to a strong thunderstorm producing wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Coastal Waters off Massachusetts and New York
- Issued
- August 23, 2026
- Issuing authority
- NWS Boston/Norton MA
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Special Marine Warning has been issued by the National Weather Service Boston/Norton MA. The alert is effective from August 23 at 1:07 PM EDT until August 23 at 2:00 PM EDT.
Affected Areas
The warning covers Nantucket Sound; Vineyard Sound; Buzzards Bay; Rhode Island Sound; Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket; and Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island.
What You Should Do
Small craft could be damaged in briefly higher winds and suddenly higher waves. Avoid the area.
Expected Conditions
A strong thunderstorm was located over Chilmark, or over Squibnocket Bight, moving northeast at 30 knots. Hazard includes wind gusts 34 knots or greater.
Timeline
The alert is in effect until 2:00 PM EDT on August 23, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (848 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 23, 2026.
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Common questions about this NWS weather alert.