NorCal anglers eye new-moon tides as coastal water cools

What's next

Tide timing is the variable worth planning around. One station turns from a high near midnight into a low by roughly 5:45am; the other bottoms out near 5am and doesn't peak again until about 11:10am. With the moon new, both swings run on the larger side, so the dawn turn and the late-morning turn are the two windows most likely to produce the strongest current and the clearest feeding windows this weekend.

If the colder reading holds or drops further over the next few days, expect bait and structure-oriented activity to stay tight to cover rather than spreading into open water. If it climbs toward the warmer station's number instead, that's a sign mixing is picking up and water is moving more freely between the open coast and the sheltered side. Either way, the spread between the two readings over the next couple of tide cycles is the cleanest signal available right now, more useful this week than any single number on its own.

Context

Early-to-mid October is a shoulder-season stretch for Northern California's saltwater fishery: ocean temperatures are coming down off their late-summer highs while upwelling stays active enough to produce exactly the kind of split seen between these two readings. That's typical for this part of the calendar along the SF Bay and Bodega stretch, not a departure from it. In these transition weeks, tide strength tends to matter more to how fishing plays out than any single temperature threshold, which is why the new moon's bigger swings are the detail to build a trip around right now.