CatchWindow fishing intelligence

Nikolski, AK Daily Water Report — October 4, 2026

Nikolski’s water verdict is guarded: workable for experienced sailors, marginal for fishing and diving, and a poor bargain for small-boat and paddle plans. The issue is not rain—none is expected—but a hard west wind, a lumpy sea, and cold water that will make any mistake feel expensive. Winds run roughly 18 to 27 knots, with the day’s strongest gust near 47 knots around 7 AM. Seas sit around 2.24 m on an 8.45-second period, with a 1.72 m southwest swell underneath and short 1.1 m wind waves adding chop. The calmest forecast sea state is still about 2.2 m near 9 PM, so “calmest” is relative, not an invitation to get casual. Air temperatures hover near 8 C but feel closer to 2 C in the wind; sea-surface temperature is about 8.4 C, slightly above average but still thoroughly cold-water territory. Sailing earns the day’s best activity score at 6.9/10, though that reflects wind opportunity alongside the gust spread and waves, not a safety guarantee. Boating rates 4.9 and kayaking 4.6, appropriately restrained by the wind and sea state. Diving is a middling 5/10: surface conditions and cold water are the limiting factors, while the reported 16.5 km atmospheric visibility says nothing about visibility below the surface. For anglers, the 5.6/10 score is modestly better than yesterday’s 5.0, helped by rising pressure and useful solunar timing. The first major period runs 8:21–10:21 AM, shortly after sunrise, while the evening major period is 8:21–10:21 PM. The afternoon high tide arrives at 2:10 PM, followed by a relatively small fall to the 6:24 PM low. High chlorophyll is reported, but it is not a fish finder; it does not confirm bait or fish activity. Compared with the reconstructed recent history, today is windier than October 3 and far rougher than the light-wind October 2 setup. The pressure is rising from a low 994 hPa, but the sea has not received the memo. Conditions should ease materially Tuesday and especially Wednesday, when forecast waves fall to 0.9–1.6 m, before building again late week amid frequent rain chances. Best bet: wait for Wednesday’s smaller seas, then make your plan with the same respect you’d give an Aleutian forecast written in bold type.