Bluefin tuna showing off Half Moon Bay as NorCal pelagic season opens
Deckhand Joseph Green of the Codfather, a six-pack boat out of Alameda, reported connecting on bluefin tuna just south of the Half Moon Bay Weather Buoy within the past week, per Western Outdoor News — Saltwater. The crew trolled for several hours before spotting life and hooking up — a concrete early-season signal for NorCal offshore anglers. No NOAA buoy or USGS gauge data was available for this reporting period, so offshore water temperatures remain unconfirmed; conditions shift quickly in June as upwelling cycles trade off with warm-water intrusions. Inshore, SF Bay typically holds striped bass along tidal channel edges and halibut on sandy flats through the summer months, though no charter or shop reports confirmed specific bay action this cycle. The Last Quarter moon this week reduces nighttime light, which can favor daytime trolling presentations offshore.
Current Conditions
- Moon
- Last Quarter
- Weather
- Check local forecast before heading out.
New to these readings? What do water temp, cfs, tide, and moon phase actually mean for fishing?
What's Biting
Bluefin Tuna
trolling near the Half Moon Bay Weather Buoy
Striped Bass
tidal rip lines at channel edges on outgoing tide
Pacific Halibut
slow drift with live bait on sandy bay flats
Rockfish
bottomfishing nearshore reefs when regulations allow
What's Next
The bluefin showing south of Half Moon Bay is the headline signal for the coming days. Per Western Outdoor News — Saltwater, the Codfather's crew arrived near the Half Moon Bay Weather Buoy, trolled for a few hours, started seeing life, and connected on fish. If that school is staging in the area, the next several days should see more boats working the same zone. Watch for fleet positioning between the Farallon Islands and Point Reyes as captains probe for consistent concentrations; bluefin in NorCal waters typically track bait schools tied to upwelling edges, so any surface temperature break — where warmer offshore water meets cold nearshore upwelling — is worth marking.
Western Outdoor News — Saltwater also flagged developing El Niño conditions shaping up for California this summer, with elevated expectations for tuna, yellowtail, and dorado at offshore grounds. Though that report focuses on a Southern California charter slated for late June, the same warm-water dynamics influence NorCal. Warmer-than-average sea surface temperatures tend to push bait and pelagics north along the coast through July and August. If the El Niño pattern strengthens, the bluefin bite off Half Moon Bay could extend well into late summer and become more consistent than in neutral years.
Inshore in SF Bay, the next two to three days are prime time to work tidal rip lines for striped bass as June establishes steady tidal exchanges through the Golden Gate. Outgoing tides concentrate baitfish at channel edges and points — target those transitions during the first two hours after the tide turns. Live anchovies, large swimbaits, and topwater presentations at dawn are all worth having on the deck. Halibut should be holding on sandy flats inside and just outside the bay mouth; slow drifts with live bait remain the standard approach.
Up at Bodega Bay, nearshore rockfish and lingcod are worth targeting on calm-weather days when the marine layer clears by midmorning. Always verify current California state regulations before targeting rockfish, as depth restrictions and seasonal closures can affect which species and zones are open — rules change season to season.
The Last Quarter moon produces moderate tidal range this week. Weekend anglers should plan departure to hit offshore grounds during the morning feed window, roughly the two hours bracketing sunrise, with a secondary window late afternoon before coastal winds build.
Context
June marks the traditional opening of NorCal's offshore pelagic season, and the Codfather's bluefin connection off Half Moon Bay tracks with — or possibly runs slightly ahead of — the historical timing for first fish of the year at this latitude. Bluefin tuna have become an increasingly targeted species off Northern California over the past decade, pushed progressively further north by late-spring warm-water intrusions. The season historically peaks through July and August when thermocline conditions stabilize. An early June hookup suggests 2026 could develop into a productive offshore year, particularly if the El Niño signal referenced by Western Outdoor News — Saltwater delivers as anticipated.
A separate regional development worth monitoring: the Coastal Conservation Association of California recently launched an awareness campaign around Sargassum horneri, an invasive seaweed nicknamed 'Devil Weed' spreading through California's native kelp ecosystem, per Western Outdoor News — Saltwater. CCA CAL is urging anglers, divers, and boaters to avoid transporting the species. Long-term, declining kelp-bed density would affect structure-dependent fish — rockfish, lingcod, cabezon — though the impact on the 2026 season is not yet acute.
Salmon is a notable absence from this report. California's Central Valley Chinook salmon returns drove severe recreational season restrictions in 2023 and 2024, including near-total closures. No feed from this cycle confirmed 2026 season status; always check current California regulations before targeting salmon off the NorCal coast, as the outlook can shift substantially based on pre-season escapement surveys.
No environmental sensor data — buoy temperatures, wave heights, or current speeds — was available for this cycle, making a direct year-over-year water comparison impossible. Typical June conditions for this region: persistent upwelling pushes cold water nearshore while warmer offshore eddies concentrate pelagics beyond the 20-mile mark.
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.