CatchWindow fishing intelligence

Auckland, NZ Daily Water Report — October 5, 2026

Auckland Harbour is broadly workable today, with diving the standout on the supplied scores and boating close behind—but it is a “go early, stay alert” sort of day rather than a lazy all-day float. The water is relatively tidy for the harbour: wave heights sit around 0.4–0.5 m, with the calmest point near 06:00 at 0.42 m. A small 0.2 m swell and short-period wind waves around 0.46 m mean the surface may still have a little chop despite the modest overall height. ENE winds range roughly 6–11 knots, but gusts are the catch; they build to nearly 25 knots around 18:00. That makes the early daylight window the sensible choice for small craft and paddlers, before the late-day gustiness starts throwing its weight around. Boating rates 7.3/10 and sailing 7.2/10, supported by manageable waves and no rain indicated, though sailors in particular should treat the gust spread with respect. Kayaking is a fair 6.3/10: the low waves help, but the current is about 0.25 m/s toward 323 degrees and the stronger evening gusts reduce the margin for casual plans. Diving leads at 7.8/10, with light seas and 14.5 C sea-surface water, though that temperature still calls for proper thermal preparation. Atmospheric visibility is high at about 34 km, but it does not describe underwater visibility. Fishing is middling at 5.9/10. The more favourable solunar major period runs 08:31–10:31, with another at 20:31–22:31; the morning option is plainly the more comfortable pairing with the marine forecast. Pressure is high and steady near 1029 hPa. No tide data are available, so tide-based timing cannot be refined. Compared with the reconstructed recent CatchWindow history, boating, sailing and kayaking are a touch less favourable than several of the past few days, while diving remains consistently strong. The cooler 14.5 C SST is about 0.3 C below average. Tuesday through Thursday look progressively smoother, especially Wednesday and Thursday with waves as low as 0.1–0.3 m; Friday brings a bump back to 0.5–0.7 m. Best bet: launch or slip in soon after sunrise, use the 08:31–10:31 window well, and be home before the evening gusts decide they own the harbour.