Squid-driven striper push moves along the Massachusetts coast

What's biting

What's next

Over the next two to three days, expect the squid-driven bait push reported along the North and South Shore to keep working its way around the Massachusetts coastline, including into Cape Cod Bay proper. The full moon means bigger-than-average tidal swings, which typically concentrates bait and gamefish around structure and current seams during the peak of the tide change. If the pattern holds the way it has for Surfland and Belsan's Bait and Tackle, look for the best windows to be the morning turn of the tide, with topwater and swimmer bites tapering off outside those windows, similar to what Beauport Fishing Adventures described for areas north of Cape Ann.

If squid continue moving into the bay, stripers should key on them the same way they have further north, with fish in the 35 to 45 inch class being the most likely size class based on current reports. Slot-sized fish are being mixed in as well, so keep a variety of presentations ready rather than assuming only larger fish are around.

On the flatfish side, On The Water's rundown of Northeast fluke hotspots notes this is typically a strong stretch (June through September) for doormat-class summer flounder in the region, so a steady fluke bite should continue if you're working the right structure. Offshore, bluefin activity was reported around Tuna Ridge near Block Island; that's outside Cape Cod Bay itself but is a reminder that pelagic fish are actively moving through southern New England waters right now, so boats making longer runs may find opportunity there.

One note of caution for bay-bound anglers: On The Water's August Buzzards Bay outlook, just south of the Cape, calls for a possible slowdown in striper action as water temperatures peak this month. Cape Cod Bay doesn't always track Buzzards Bay exactly, but it's worth watching whether that same summer lull starts to show up locally over the coming week, especially during the heat of midday. Plan around dawn and dusk tide changes for the best odds, and expect conditions to be more forgiving on cloudier, lower-light days.

Context

Late July on Cape Cod Bay typically sits in the warm-water lull between the spring striper push and the fall blitz, with squid runs, resident bass, summer flounder, and occasional bluefin activity offshore all overlapping. The squid-fueled bass bite currently being reported to the north (Plum Island, the Merrimack, Salisbury, and Cape Ann) is a classic mid-to-late-summer pattern for the Massachusetts coast, and it's reasonable to expect a similar bait push to work its way into the bay if it hasn't already, though we don't have a source reporting directly from Cape Cod Bay this cycle to confirm it's arrived. On The Water's Buzzards Bay outlook flags a possible slowdown for stripers there in August as water temperatures peak, which is a normal mid-summer pattern for southern New England bays and worth watching for in Cape Cod Bay as well. MA Sea Grant (WHOI) research on drifter deployments this year noted that spring-released drifters moved out of Cape Cod Bay toward the open Atlantic, which speaks to the bay's water circulation but isn't a fishing signal on its own. Overall, this reads as an on-schedule mid-summer stretch rather than anything early or late, but with no direct in-bay fishing report this cycle, that comparison is inferred from the surrounding region rather than confirmed locally.