Special Marine Warning Issued for Waters off Long Island NY
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NWS Upton NY has issued a Special Marine Warning for waters from Fire Island Inlet to Montauk Point out 60 NM due to a severe thunderstorm capable of producing waterspouts.
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- Record type
- Special Marine Warning
- Affected area
- Waters off Long Island, New York
- Issued
- August 23, 2026
- Issuing authority
- NWS Upton NY
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
Special Marine Warning issued by NWS Upton NY. Effective from 2026-08-23T08:58:00-04:00 until 2026-08-23T09:45:00-04:00. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Moriches Inlet NY to Montauk Point NY out 20 NM; Fire Island Inlet NY to Moriches Inlet NY out 20 NM; Waters from Moriches Inlet NY to Montauk Point NY from 20 to 60 NM; Waters from Fire Island Inlet NY to Moriches Inlet NY from 20 to 60 NM.
What You Should Do
Boaters should seek safe harbor immediately until this storm passes. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.
Expected Conditions
Severe thunderstorm capable of producing waterspouts located 17 nm northeast of Buoy 44025, moving east at 20 knots. Hazards include waterspouts and wind gusts in excess of 50 knots. The storm will remain over mainly open waters.
Timeline
Alert effective 2026-08-23T08:58:00-04:00 and expires 2026-08-23T09:45:00-04:00.
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 (993 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 23, 2026.
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