Surf Forecasts:
Waimea Bay/Pinballs surf forecast from 20 Aug 2026:
- Best quality surf: Thursday 20 Aug, 11AM (local time) - 3ft (0.9m), 7s period, NE swell with cross-offshore winds.
- Most powerful swell: Saturday 22 Aug, 11PM (local time) - 2.5ft (0.8m), 12s period, WNW swell with 172 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 11AM (local time) - 3ft (0.9m), 7s period with NE swell.
Best Forecast Surf Conditions for Waimea Bay/Pinballs this week:
The surf forecast for Waimea Bay/Pinballs over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 11AM. The primary swell is predicted to be 0.9m and 7s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Waimea Bay/Pinballs in the next 16 days are 0.8m 12s and forecast to arrive on Saturday (Aug 22) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 7s period and expected on Monday (Aug 24) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Thu 20th Aug) | 3ft (0.9m) 7s |
| Best Surf | 11AM (Thu 20th Aug) | 3ft (0.9m) 7s |
| Most Powerful | 11PM (Sat 22nd Aug) | 2.5ft (0.8m) 12s |
Table - best surf conditions forecast for Waimea Bay/Pinballs over the next 16 days.
The Lowdown
Right, folks, Rusty here. Let’s take a look at what’s on the table for the North Shore.
Overall, we’re looking at a pretty flat and quiet stretch ahead. There’s no real action to kick things off, and we’ve got a long gap with nothing worth paddling out for. The only spot worth a mention in this whole 16-day window is Waimea Bay/Pinballs (Oahu), but even then, it’s a waiting game.
The first surf that’s even slightly on the radar is Thursday, September 3rd. Up until then, it’s a dead run of tiny, poor surf and cross-off breezes. From now through the end of August, and into the first days of September, it’s all 0.3ft to 1ft slop with winds blowing across the face. Save your wax.
Thursday morning, September 3rd, things finally perk up a little. Waimea Bay sees a 2ft swell from the north, with a period of 9 seconds. The combined swell energy is moderate (110), so there’s a bit of push, but the morning wind is a light cross-off from the east at 6 mph. It’s surfable but very ordinary. The afternoon holds similar at 2ft, but with a slightly higher 9 mph breeze from the ENE. Both sessions are about as clean as they get for this break, but the wave height is marginal for the bay floor. For a spot like this, 2ft is small-time stuff. It’s not a standout, just the only rideable option in a long, quiet window.
Water temp is about average for the time of year, nothing out of the ordinary to report.
Because the swell is small and the wind is always side to the break, it’s not a classic Waimea session. If you’re a local who knows the bank, you might find a fun one, but this isn't a trip-maker.
No standouts here, folks. The whole period is a dud. The only hopeful note is that this break *can* be consistent, so don’t lose all faith, but for this forecast, put the board away.
- Rusty
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Warm (max 27°C on Thu morning, min 24°C on Wed night). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Mon afternoon. Warm (max 27°C on Mon afternoon, min 25°C on Sat night). Mainly fresh winds. | ||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | NE 6 | NE 7 | W 11 | NNE 7 | NNE 7 | NNE 7 | SW 16 | WNW 10 | W 12 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | NW 11 | NW 10 | NW 9 | NW 10 | NW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 58 | 77 | 36 | 51 | 41 | 41 | 124 | 33 | 69 | 167 | 107 | 105 | 81 | 87 | 58 | 25 | 23 | 26 | 29 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off |
High Tide | 11:33AM0.60m | 12:16PM0.64m | 12:49PM0.67m | 1:16PM0.70m | 11:38PM0.32m | 1:41PM0.73m | 00:27AM0.35m | 2:03PM0.74m | 1:07AM0.39m | ||||||||||
Low Tide | 00:51AM0.18m | 2:10AM0.18m | 3:50AM0.17m | 5:00AM0.14m | 9:01PM0.30m | 5:49AM0.11m | 8:51PM0.29m | 6:29AM0.09m | 8:55PM0.28m | ||||||||||
 |  | | | |  | | |  | | | | | |  |  | |  | | |
 | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — |
 | 6:59 | — | 6:59 | — | — | 6:58 | — | — | 6:57 | — | — | 6:55 | — | — | 6:54 | — | — | 6:54 | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 25 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 27 | 25 | 26 | 26 | 25 | 26 | 27 | 26 | 27 | 27 | 26 |
Feels °C | 25 | 30 | 29 | 29 | 30 | 30 | 30 | 27 | 27 | 25 | 25 | 24 | 24 | 25 | 27 | 27 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | E 8 | NE 7 | ENE 7 | ENE 7 | ENE 7 | NNE 7 | SW 16 | SSW 16 | W 12 | WNW 12 | WNW 11 | WNW 11 | ESE 9 | WNW 11 | NW 11 | NW 10 | NW 9 | NW 10 | NW 11 |
| kJ | 104 | 77 | 160 | 91 | 51 | 41 | 124 | 98 | 69 | 167 | 107 | 105 | 90 | 87 | 58 | 25 | 23 | 26 | 29 |
Swell 2 Height (m) Direction Period (s) | NE 6 | E 8 | W 11 | NNE 7 | NNE 7 | SW 16 | W 10 | WNW 10 | SSW 16 | SW 15 | SW 15 | SW 15 | WNW 11 | SW 14 | SW 13 | SSW 13 | SSW 16 | SSW 12 | SSW 15 |
| kJ | 58 | 58 | 36 | 51 | 41 | 64 | 31 | 33 | 95 | 60 | 57 | 54 | 81 | 50 | 28 | 32 | 25 | 14 | 21 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 18 | SW 17 | SSW 16 | W 11 | W 10 | ESE 8 | WNW 13 | WNW 14 | WSW 9 | WSW 9 | WSW 9 | SW 14 | SW 18 | S 13 | W 12 | W 12 | SSW 16 | SSW 12 |
| kJ | 67 | 79 | 76 | 104 | 36 | 31 | 14 | 33 | 41 | 8 | 8 | 8 | 51 | 12 | 3 | 3 | 11 | 25 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | E 7 | ENE 7 | E 6 | E 7 | E 7 | E 7 | E 7 | ENE 6 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 |
| kJ | — | — | — | — | — | 86 | 114 | 167 | 229 | 306 | 345 | 320 | 226 | 255 | 312 | 331 | 385 | 408 | 300 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 0 | 8 | 1 | 0 | 0 | 0 | 1 | 21 | 23 | 23 | 166 | 23 | 21 | 21 | 21 | 21 | 21 | 21 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Information about the Waimea Bay/Pinballs Surf forecast
The above surf forecast table for Waimea Bay/Pinballs provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waimea Bay/Pinballs can be found by selecting the local surf guide option on the grey menu. Our Waimea Bay/Pinballs surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Waimea Bay/Pinballs) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Waimea Bay/Pinballs may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Waimea Bay/Pinballs is 16 km (10 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.
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