Surf Forecasts:
Tracks (Nanakuli) surf forecast from 20 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 8PM (local time) - 2.5ft (0.8m), 18s period, S swell with offshore winds.
- Most powerful swell: Thursday 27 Aug, 8AM (local time) - 3ft (0.9m), 17s period, S swell with 443 kJ wave energy.
- Next surfable swell (1★+): Thursday 20 Aug, 8AM (local time) - 2ft (0.6m), 18s period with SSW swell.
Best Forecast Surf Conditions for Tracks (Nanakuli) this week:
The surf forecast for Tracks (Nanakuli) over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 20) at 8AM. The primary swell is predicted to be 0.6m and 18s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Tracks (Nanakuli) in the next 16 days are 0.9m 17s and forecast to arrive on Thursday (Aug 27) at 8AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 6s period and expected on Sunday (Aug 23) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 20th Aug) | 2ft (0.6m) 18s |
| Best Surf | 8PM (Wed 26th Aug) | 2.5ft (0.8m) 18s |
| Most Powerful | 8AM (Thu 27th Aug) | 3ft (0.9m) 17s |
Table - best surf conditions forecast for Tracks (Nanakuli) over the next 16 days.
The Lowdown
Alright crew, Rusty here. Let's see what this stretch is serving up.
First thing, the water temp is about 81°F, pretty normal for this time of year. Nothing weird going on.
For the first couple of days, starting Thursday the 20th, we're looking at tiny conditions at Tracks (Nanakuli). It’s about 2ft, pushing in from the SW with a super long, drawn-out period of 18 seconds. The wind is dead calm on Thursday morning, and barely a whisper in the afternoon. It's small and clean, with moderate energy (288). Friday the 21st is much the same; the swell inches up a touch to 2ft from the SSW with glassy light winds. Good for a log, but you won't be pulling into anything.
Then comes the trade wind nightmare. From Saturday the 22nd through Tuesday the 25th, the trades are cranking at 30 km/h. The swell is still hanging around 2ft, but the wind is a messy cross-offshore that’s just too strong. The energy is moderate (400) on Saturday morning, but the quality is completely shot. This stretch is a dead loss for paddling.
Now, here's where it gets interesting. Wednesday the 26th sees the wind ease back to a more workable 15 km/h. The swell holds at 2ft, but that period stretches back out to a dreamy 18 seconds out of the south. The energy jumps to a strong 439, and it's clean. The real gem is Thursday the 27th. That's your best window. We've got a solid 3ft south swell, a nice 16-second period, and the energy is pumping at a very strong 625. The wind is a cross-off, but it's manageable and the waves have some push. Friday the 28th keeps the good times rolling with a 3ft south swell and offshore winds in the afternoon.
Size drops off into the first week of September, with small NW and W swells coming through. You might find a glassy, tiny wave on the 3rd or 4th, but it's definitely not the highlight.
The standout day is hands down Thursday the 27th of August. That south pulse with the clean conditions is the one to go for.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Thu afternoon, min 25°C on Thu night). Winds increasing (calm on Thu morning, fresh winds from the ENE by Sat afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Sun afternoon, min 25°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
AM | PM | 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) | SW 18 | SSW 17 | SW 16 | SW 17 | SW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 16 | SSW 16 | S 18 | SSW 14 | S 18 | S 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 249 | 200 | 278 | 291 | 261 | 322 | 326 | 251 | 245 | 201 | 191 | 186 | 166 | 156 | 125 | 147 | 196 | 167 | 215 | 304 | 373 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-off | glassy | glassy | cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off |
High Tide | 11:13AM0.55m | 12:17PM0.58m | 11:07PM0.20m | 1:05PM0.61m | 00:41AM0.22m | 1:43PM0.64m | 1:27AM0.24m | 2:17PM0.67m | 2:05AM0.28m | 2:47PM0.68m | 2:41AM0.32m | 3:14PM0.68m | 3:17AM0.36m | ||||||||
Low Tide | 3:07AM0.14m | 9:33PM0.20m | 9:13PM0.18m | 5:44AM0.11m | 9:21PM0.17m | 6:39AM0.09m | 9:34PM0.15m | 7:24AM0.08m | 9:50PM0.14m | 8:06AM0.07m | 10:06PM0.13m | ||||||||||
 |  |  | | | | | | | | |  | | | | | | | |  | | |
 | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 6:59 | — | — | 6:58 | — | — | 6:57 | — | — | 6:55 | — | — | 6:54 | — | — | 6:54 | — | — | 6:53 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 26 | 27 | 28 | 26 | 27 | 28 | 26 | 27 | 28 | 26 | 26 | 27 | 26 |
Feels °C | 31 | 32 | 30 | 31 | 31 | 32 | 29 | 27 | 26 | 25 | 26 | 25 | 26 | 27 | 26 | 26 | 27 | 26 | 26 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | NE 6 | SSW 17 | SW 16 | SW 17 | SW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 16 | SSW 15 | SSW 14 | S 18 | S 17 |
| kJ | 34 | 200 | 278 | 291 | 261 | 322 | 326 | 251 | 245 | 201 | 191 | 186 | 166 | 156 | 125 | 86 | 196 | 121 | 215 | 304 | 373 |
Swell 2 Height (m) Direction Period (s) | SW 18 | W 11 | NNE 7 | NNE 7 | NNE 7 | NE 7 | NE 6 | W 11 | W 11 | WNW 11 | WNW 11 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSW 16 | SSW 12 | S 18 | S 18 | SSW 13 | SSW 13 |
| kJ | 249 | 55 | 32 | 32 | 31 | 36 | 33 | 93 | 57 | 81 | 79 | 96 | 86 | 82 | 55 | 147 | 56 | 167 | 165 | 135 | 135 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | W 9 | W 11 | W 10 | W 10 | W 10 | SSE 12 | WNW 12 | SSE 13 | SSE 11 | NW 11 | NW 12 | WNW 11 | SSW 17 | SSE 13 | SE 7 | SSW 12 | SSE 12 | SSE 12 | NW 10 |
| kJ | 39 | 39 | 42 | 56 | 49 | 50 | 74 | 50 | 59 | 101 | 41 | 59 | 67 | 47 | 94 | 64 | 14 | 55 | 55 | 27 | 15 |
Wind waves Height (m) Direction Period (s) | — | NE 7 | — | — | — | — | — | ENE 6 | ENE 7 | NE 6 | NE 6 | NE 6 | NE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | NE 5 | NE 5 | NE 5 | NE 5 |
| kJ | — | 49 | — | — | — | — | — | 52 | 82 | 59 | 60 | 60 | 56 | 53 | 41 | 68 | 59 | 28 | 32 | 27 | 22 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 9 | 6 | 14 | 16 | 0 | 6 | 6 | 1 | 6 | 6 | 0 | 1 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Tracks (Nanakuli) Surf forecast
The above surf forecast table for Tracks (Nanakuli) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tracks (Nanakuli) can be found by selecting the local surf guide option on the grey menu. Our Tracks (Nanakuli) 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 (Tracks (Nanakuli)) 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 Tracks (Nanakuli) 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.
Tracks (Nanakuli) is 7 km (4 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.
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