Gulf of Alaska halibut and salmon seasons roll into mid-May window

What's Biting

What's Next

Winds logged at 7–10 m/s (roughly 14–20 knots) across the three Gulf of Alaska monitoring buoys suggest active sea conditions that will likely keep smaller vessels in protected waters and near harbor-mouth approaches for the next day or two. Wave height data was not available from the current buoy array, so the full picture requires a check of the National Weather Service Gulf of Alaska marine forecast before committing to an offshore trip. If winds ease by mid-week — a common pattern following a new moon passage — access to the offshore halibut grounds should improve considerably.

Pacific halibut is the dominant spring target across the Gulf, and mid-May sits within the heart of the open season. Charter boats operating across central Gulf ports typically work deep-water rocky bottom and sandy flats in the 100–400-foot range. With water temps locked in the low 40s°F, slow presentations — cut herring or salmon belly on a circle hook fished hard to the bottom — tend to outproduce faster artificials. Bottom-bouncing jigs can be effective when fish are actively stacked, but cold water generally rewards patience over speed.

Lingcod and rockfish are the natural add-on at these depths; boats working the same structure for halibut will routinely encounter both. Verify bag limits and size requirements before keeping any rockfish, as retention rules for specific species vary and are subject to in-season change.

Chinook salmon are the other significant mid-May player. Early king runs vary considerably by drainage, but nearshore trolling with herring-spinner rigs and deep-running spoons is the conventional approach as first-wave fish stage in shallower water. At 41–43°F, surface presentations are unlikely to fire reliably; downrigger and wire-line setups that place gear in the thermal zone where kings are most active will be the productive choice.

The new moon window — beginning today — opens the most pronounced tidal-swing period of the month. For halibut especially, plan your anchor or drift around the slack-water transitions at low and high tide, when fish tend to move off structure onto adjacent flats to feed before retreating. Dawn and dusk slack windows are typically the most productive tide-coincident slots. Mark those intersections on your tide chart for the weekend and you will be fishing the prime windows.

Context

Mid-May in the Gulf of Alaska is a well-established anchor point in the spring fishing calendar. By this date, the Pacific halibut charter season — which typically opens to guided recreational anglers in late March or early April — is fully operational, with most central Gulf ports running daily trips to offshore structure. The three NOAA monitoring buoys currently reading 41–43°F are consistent with historical mean surface temperatures for this region at this time of year; the Gulf of Alaska generally runs cold through June before summer warming begins to push nearshore temps upward into the upper 40s°F.

AK Sea Grant's coverage provides useful contextual signal: the ComFish skills competition in Kodiak, highlighted in their recent dispatch, is an annual spring fixture that draws active participation from the commercial and charter community — a rough proxy for the fleet being in the water and conditions being workable. No comparative data on whether this season is running early, late, or on schedule for any specific target species is available from the current intel cycle.

In the absence of comparative seasonal reporting from charter or agency sources, the honest assessment is that the current temperature and wind profile appears squarely normal for mid-May in the Gulf. There is nothing in the buoy data to suggest an unusually warm or cold year. Whether salmon runs are arriving on typical timelines, or whether halibut are concentrated shallower or deeper than in prior seasons, cannot be determined from the environmental data alone. For current run-timing updates and in-season bite conditions, local charter operators and Alaska-focused fishing resources will have granular, real-time intelligence that exceeds what this data cycle provides.