Cooler Temps Spark Spring Salmon Improvement Along NorCal Coast

What's Biting

What's Next

The four-degree water temperature drop reported by Western Outdoor News — Saltwater near the Half Moon Bay–Pigeon Point corridor points to active upwelling beginning to assert itself along the NorCal shelf — a pattern that typically intensifies through May as northwest trade winds build. If the 54°F reading holds or cools further, Chinook should remain staged along the thermal break where baitfish concentrate, and the improved conditions Captain Jared Davis described should persist through the week.

Watch the swell window carefully before heading offshore. NOAA buoy 46026 is reading 5.6-foot wave heights, putting most small-boat offshore runs in marginal-to-rough territory. A break in northwest swell — common in short mid-week lulls between wind events — is the signal to run the salmon grounds below Pigeon Point or work the deeper structure along the Bodega Canyon edges. NOAA buoy 46013 is registering 6 m/s winds off Bodega, so pull an updated NOAA marine forecast the morning of your trip before committing to an offshore run.

Inside SF Bay, May is the traditional transition window when halibut move onto shallow sand flats and striped bass push through on their spring migration. Both species appear on-schedule given current temps and moon phase, though no specific captain reports this week have pinpointed exact Bay concentrations — targeting sandy edges and rocky structure in early-morning low-light is the local-knowledge play for both.

The waning crescent moon entering its final quarter by mid-week means darker nights and tighter tidal differentials. Baitfish tend to school more tightly under these conditions, which can stack salmon and halibut on structure. Plan morning departures to put you on the grounds just before first light for the best window. If swell keeps you inside the Bay, rockfish on structure in 60–120 feet remain a consistent option; check current groundfish bag limits and any depth-closure restrictions before departing, as regulations are in effect for the 2026 season — verify with state authorities before harvest.

Context

May is historically the heart of Chinook salmon season along the NorCal coast, with fish staging outside the Golden Gate and Bay mouth before distributing north along the shelf. The 54°F water temperature near Pigeon Point reported by Western Outdoor News — Saltwater is essentially on-schedule for mid-May — perhaps a touch cooler than the decadal average, but that is favorable rather than alarming. Colder, upwelled water concentrates anchovies and sardines in tight schools, drawing Chinook to the shelf edge and producing the consistent limits this fishery is known for in spring.

What stands out this spring is the early warm anomaly that preceded the current cool-down. Captain Jared Davis noted water running at 58°F when the salmon season opened April 11 — well above the typical mid-50s range for early spring in this region. Sustained warmth at that level can scatter baitfish, push salmon further offshore, and attract pelagic species like bonito that are unusual this far north so early in the season. The correction to 54°F represents a return toward historical norms rather than an unusual cold event.

No direct year-over-year comparison data was available from regional intel feeds this week, so a precise early-versus-late verdict is not possible from current sources. However, the pattern described — warm early season followed by a mid-May upwelling correction — is consistent with El Niño transition years, when spring thermals fluctuate before settling into a stronger northwest-wind-driven upwelling regime by June. The current window appears to be that settling-in phase, which historically coincides with the peak salmon bite along this stretch of coast.