New Hampshire state waters, out to 3 miles
Sale prohibited.
NH F&G 2026 · checked · the official rulebook is the final word
Often mistaken for
Southern flounderNo eye-like spots, plain mottle. Tell them apartNot listed by New Hampshire: the default applies (No size limit, no bag limit).
Keep the wrong fish and its rule applies.
How to tell it
Left-facing flatfish with 5 or more dark eye-like spots, several near the tail. More on the summer flounder page: every state’s rule, the records, and how anglers catch it.
Summer flounder in other states16 rulebooks
Questions anglers ask4
What is the size limit for summer flounder in New Hampshire?
15 in TL min. Measured as total length: snout to the tip of the tail, tail lobes squeezed together.
How many summer flounder can you keep in New Hampshire?
No bag limit.
When is summer flounder season in New Hampshire?
Open year-round.
How current is this New Hampshire summer flounder rule?
Source: NH F&G 2026, last checked Sep 10, 2026. A watchman re-reads the agency's pages nightly. Rules change mid-season by proclamation; the official rulebook is the final word.
In the appPoint the camera at a summer flounder in New Hampshire and this rule is on the screen before you take the picture. No signal needed.
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