Spring Stripers in Full Stride Along NH's Gulf of Maine Coast
Water temps at 50°F per NOAA buoy 44007 are holding in typical late-May Gulf of Maine range, but they haven't slowed the striper run. The Fisherman — South Shore MA to ME reports the spring bass migration is now fully underway, with fish into the 40-inch class turning up from the Merrimack River all the way out to the front beaches. The most consistent action for bigger stripers is coming from inside the river, where the herring run remains active — herring imitations and live bait are the clear approach per the same source. Offshore, the haddock bite has quietly caught fire: Beauport Fishing Adventures Capt. Tom Lukegord describes limit catches as common over the past 10 days, calling it some of the best groundfishing in years. Mackerel are also beginning to push close to shore just north of the region, a development that should pull additional stripers onto the NH front beaches as those fish arrive.
Current Conditions
- Water temp
- 50°F
- Moon
- First Quarter
- Tide / flow
- Calm 1.3-foot seas per buoy 44007; Gulf of Maine tides run large — work inlet mouths and river transitions on moving water for best striper access.
- Weather
- Light winds near 4 knots and calm 1.3-foot seas with air temps around 51°F.
New to these readings? What do water temp, cfs, tide, and moon phase actually mean for fishing?
What's Biting
Striped Bass
herring imitations inside river mouths on moving tides
Haddock
bottom rigs offshore; limit catches confirmed by charter captains
Atlantic Mackerel
light metal jigs close to shore as schools push into the region
What's Next
The first-quarter moon this weekend follows the May new moon that On The Water notes tends to mark "peaks" in the spring striper push. With fish already confirmed at the 40-inch class across the NH coast corridor, the pattern over the next few days should see bass settling into established feeding lies rather than moving through. Structure transitions — inlet mouths, ledge edges, and river confluences — become the priority targets as fish lock into post-migration feeding stations rather than actively traveling.
The herring run remains the defining factor inshore. The Fisherman — South Shore MA to ME specifically notes the run is still very much on inside the Merrimack, with inside-river fishing producing the most consistent results for bigger bass. Herring-pattern plugs, swim shads, and live herring are all worth having ready. Tides will matter more than the clock: target the last two hours of the incoming and the first of the outgoing at inlet pinch points for the best shot at quality fish.
Offshore, Memorial Day weekend lines up with Beauport Fishing Adventures officially launching charters, primarily chasing groundfish. The haddock bite that Capt. Tom Lukegord calls "some of the best they've seen in years" should be the weekend's most reliable offshore option. Buoy 44007 shows 1.3-foot seas and winds near 4 knots, pointing to comfortable conditions for offshore runs if the pattern holds through the long weekend.
Mackerel are the wildcard to watch. Belsan's Bait and Tackle — reported by The Fisherman — South Shore MA to ME — notes mackerel are already close to shore and biting well just north of the region. Once they push into NH nearshore waters, expect topwater striper action to intensify as bass key on the flash of mackerel-sized plugs and metal jigs. Track tern and gannet concentrations along the front beaches as the leading indicator.
A regulation reminder: On The Water reported that marine enforcement officers made arrests on the Merrimack River in early May for illegal fishing practices at the same location on two separate days. With enforcement active in the shared corridor and a prime-time run underway, check current NH size and possession limits before keeping any bass.
Context
For the Gulf of Maine coast, late May historically marks the transition from an active migration bite to a resident striper fishery. Water temperatures at 50°F per buoy 44007 are close to seasonal norms — the Gulf of Maine warms slowly compared to southern New England, and buoy readings in the 48–53°F range across Memorial Day week are typical. Striped bass historically arrive in NH waters in the second half of May, filtering north from the Merrimack estuary and gradually pushing toward the front beaches and rocky offshore structure.
This year's run appears to be landing on schedule, with a quality edge. The Fisherman — South Shore MA to ME confirms fish have pushed as far north as the Saco River in Maine, meaning the full NH coastline sits inside the active migration corridor rather than just at its southern edge. Reports of fish into the 40-inch class from multiple shop sources suggest a quality push rather than a schoolie-heavy spring — a detail worth noting given broader regional concerns about striper stock health discussed in On The Water's coverage of the current state of the fishery.
The offshore haddock activity carries historical weight as well. Beauport Fishing Adventures describes the bite as among the best they have seen in years, with limit catches now common. The Fisherman (Northeast) also flags that sea bass action is beginning on the Cape — a species that tends to follow a similar northward schedule as water temps climb through June. Gulf of Maine groundfish have shown recovery signals in recent seasons, and the current bite is consistent with that broader direction.
One honest caveat: no NH-specific shop or charter report appeared in this cycle's intel feed. The striper and haddock assessment above is drawn from adjacent-region sources in the South Shore MA to southern Maine corridor — shared Gulf of Maine habitat — and should translate well, but a call to a local Hampton or Portsmouth tackle shop before heading out will provide the sharpest real-time read.
This report is synthesized by Hooked Fisherman from real-time NOAA buoy data, USGS stream gauges, and current reports across regional fishing blogs, captain updates, and angler forums. Source names are cited inline where they appear. Check local regulations before keeping fish. Never trust a single source for a trip decision.