Can I Keep? Open the app

Mackerel Regulations in Massachusetts (2026)

Recreational mackerel rules in Massachusetts saltwater, as published by the Massachusetts Division of Marine Fisheries. Last checked November 7, 2026.

Limits differ by area — the summary below is the first published rule; see every rule underneath.

Size limit
No Limit
Bag limit
25 fish
Season
Year Round

Can I keep it today? Check your harbor & date

Recreational Mackerel rules in Massachusetts

Where
Private Anglers
Size limit
No Limit
Bag limit
25 fish
Season
Year Round

Official source

Where
For-Hire
Size limit
No Limit
Bag limit
50 fish
Season
Year Round

Official source

Commercial rules

Show 1 commercial rule
Where
State Waters
Size limit
no limit
Bag limit
20,000 lb No trip limit for weirs.
Season
5/1 - 4/30 (Sun - Sat)
  • Mackerel: The state waters limit for mackerel starts at 20,000 pounds. This limit is then reduced to 5,000 pounds once 1,100 metric tons of the Domestic Annual Harvest remains and is reduced again to 2,000 pounds once 220 metric tons of the Domestic Annual Harvest remains. Federal rules apply beyond state waters and vessels may possess and land mackerel lawfully taken in federal waters in accordance with federal rules.
  • Open days: Sun - Sat
  • DMF commercial regulations tables were updated on July 1, 2026.

Official source

Quick answers

What is the mackerel size limit in Massachusetts?

No Limit (for the first listed area; other areas may differ — see above).

How many mackerel can I keep in Massachusetts?

25 fish (for the first listed area; other areas may differ — see above).

When is mackerel season in Massachusetts?

Year Round. Whether it is open on a specific day can change by emergency rule — check today's status in the app.

More offshore & pelagic in Massachusetts

All Massachusetts saltwater fishing regulations →

Source: Massachusetts Division of Marine Fisheries. Most anglers need a Massachusetts saltwater license or registry: get one here.