CatchWindow fishing intelligence

Auckland, NZ Daily Water Report — August 28, 2026

Today’s water is a day of tradeoffs: a strong northerly wind rules the morning, but a late-window reprieve sets up excellent sailing and solid diving conditions for those who time it right. The harbour is decidedly not flat, but it’s workable, and the scores reflect a split personality—this is not the glassy calm we saw on August 24, but neither is it the full gale it could have been. The headline grabber is sailing, scoring an 8.2. The representative wind of 12 knots gusting to 24 will keep a planing hull honest, and the consistent northerly direction means you can set a predictable tack. The best window will be between the late-morning and early afternoon, before the strongest gust of 30.5 knots hits around 2 PM. Waves sit at a manageable 0.6 metres on a short 3.6-second period, which will be sloppy but not dangerous for a properly crewed boat. Divers also fare reasonably well at 7.6, though that score is buoyed by warm surface water—14.2°C, a half-degree above average for late August—rather than the visibility, which is limited by the same breeze stirring things up. The harbour will be murkier than yesterday’s 7.7 diving score, but not prohibitively so if you dive early before the wind peaks. Fishing at 6.8 is a middle-of-the-road score that rewards strategy. The full moon overhead means strong solunar pull during the minor period from 6 to 7 AM and the major from 11:30 AM to 1:30 PM. The falling pressure at 1020 hPa and dropping from 1028 this time yesterday suggests a front moving in, and fish often feed before a low-pressure arrival. But the chop will make holding a drift tricky. Kayakers and surfers face the stiffest headwinds—both scoring 5.6—with those gusting northerlies turning the harbour into a workout rather than a leisurely paddle. Surfers should note the swell is only 0.22 metres from 26 degrees; it’s a wind-wave show, not a ground swell. Compared to the last few days, today is the windiest since August 23’s 10.1-knot day, and it’s a clear departure from the week’s earlier glassy mornings. The calmest water arrives near midnight at 0.36 metres, but that’s of little use to daytime users. Tomorrow brings a near-certain rain band and stronger gusts, so today’s afternoon break, with drizzle at just 0.2 mm, is your best bet for a while. In summary: sail early, dive earlier, fish the solunar window, and leave the kayak for a calmer day. The harbour is alive and active—just keep one hand on the rail.