Special Marine Warning Issued for Coastal Waters off Maine and Massachusetts
This alert is no longer in effect.
NOAA issued it on August 13, 2026, 10 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Gray ME has issued a Special Marine Warning for coastal waters from Port Clyde, ME to Merrimack River, MA until 5:00 PM EDT due to a severe thunderstorm.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Coastal Waters off Maine and Massachusetts
- Issued
- August 13, 2026
- Issuing authority
- NWS Gray ME
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: historical. It was issued 10 days ago; use the issuing agency's live warning service for current conditions in Coastal Waters off Maine and Massachusetts.
Alert Details
Special Marine Warning issued by NWS Gray ME. Effective from August 13 at 3:58 PM EDT until August 13 at 5:00 PM EDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM; Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM; Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM; Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
At 3:57 PM EDT, a severe thunderstorm was located 11 nm southeast of Cape Elizabeth (16 nm southeast of Portland), moving southeast at 30 knots. Hazard includes wind gusts to nearly 50 knots and large hail.
Timeline
Alert effective August 13, 2026 at 3:58 PM EDT. Expires and ends August 13, 2026 at 5:00 PM EDT.
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 (902 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 13, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.