Alert archive / Massachusetts / Special Marine Warnings in 2026
Special Marine Warning 21, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this special marine warning at Jul 19, 2026, 1:55 AM EDT. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 19, 2026, 1:55 AM EDT (05:55 UTC)
- Expired
- Jul 19, 2026, 3:00 AM EDT
- In force
- 65 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 34.0 mph
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 9:39 PM EDT | Special Marine Warning | BOX | 66 min | |
| Jul 18, 10:40 PM EDT | Special Marine Warning | BOX | 65 min | |
| Jul 18, 11:03 PM EDT | Special Weather Statement | BOX | Barnstable | 87 min |
| Jul 18, 11:28 PM EDT | Special Marine Warning | BOX | 62 min |
Nearby
Special Marine Warnings in Massachusetts, 2026Every special marine warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.