
Surf Forecasts:
Nimitz Beach surf forecast from 10 Aug 2026:
- Best quality surf: Sunday 16 Aug, 2AM (local time) - 10ft (3.0m), 13s period, E swell with offshore winds.
- Most powerful swell: Sunday 16 Aug, 2AM (local time) - 10ft (3.0m), 13s period, E swell with 3,082 kJ wave energy.
- Next surfable swell (1★+): Thursday 13 Aug, 5AM (local time) - 4.5ft (1.4m), 16s period with S swell.
Best Forecast Surf Conditions for Nimitz Beach this week:
The surf forecast for Nimitz Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Aug 13) at 5AM. The primary swell is predicted to be 1.4m and 16s period with a secondary swell of 1.1m and 6s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Nimitz Beach in the next 16 days are 3.0m 13s and forecast to arrive on Sunday (Aug 16) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 13s period and expected on Sunday (Aug 16) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 13th Aug) | 4.5ft (1.4m) 16s |
| Best Surf | 2AM (Sun 16th Aug) | 10ft (3.0m) 13s |
| Most Powerful | 2AM (Sun 16th Aug) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Nimitz Beach over the next 16 days.
The Lowdown
Alright, let’s get into it.
First up, if you’re looking to get wet on Oahu’s south shore, we’ve got a bit of a waiting game on our hands. The early part of this forecast is pretty average – we’re looking at small, inconsistent swell and a lot of cross-off wind from the ENE most days, which isn’t doing us any favours. Things start to pick up from Wednesday the 12th with a moderate energy pulse (combined energy 1044), but it’s still only around 3ft and those cross-off breezes keep the surface bumpy.
Through Thursday the 13th and Friday the 14th, the swell sticks around 4ft to 5ft but the wind stays fresh from the ENE at 19 mph, cross-off, so it’s not the cleanest. The combined energy is solid – in the 700-1100 range – but the conditions are marginal.
Now, Saturday the 15th is where we see some size. The swell jumps to 7ft in the morning and 8ft in the afternoon, with a short period of 12-13 seconds. That’s a lot of energy hitting the reef (1569-2546 combined), but that short period means it’ll be a bit walled up and not the best shape. Plus, the wind is still cross-off from the NE at 16-19 mph – clean face but a bit of bump. That size is really only for experienced surfers.
The real standout, and the one I’d circle on your calendar, is Sunday the 16th. We finally get a shift – lighter winds from the N, offshore at 6-9 mph, and a clean 3ft south swell running with a lovely 16-second period. Combined energy is 422, so not huge, but the wave quality will be silky, the period will give you proper lines, and it’s not too big. This is the best surf of the window. Expect good conditions all day.
After that, it’s a bit of a slide. From Monday the 17th through to the end, the wind turns onshore or cross-shore, and the swell drops off. The surf gets small and messy – poor conditions, cross-chop, and not really worth paddling out. The energy levels drop into the low hundreds.
For the second week, there’s a flicker on Friday the 21st with some light cross-off winds and a 3ft SSW swell, but it’s still marginal. Then Sunday the 23rd shows a pulse of 5ft from the east with a very short period of 7 seconds – that’s not going to be pretty, just lumpy and quick. The Monday the 24th brings 6ft from the east, but again that 8-second period and strong cross-off wind makes it a messy, bumpy affair. Not the kind of day you write home about.
So, bottom line: if you can, hit Sunday the 16th at Nimitz Beach. Offshore wind, clean, long-period groundswell – that’s the real deal. Everything else is a lot of marginal surf and cross-breezes. Crowds are sometimes an issue here, so get in early.
Water temp is sitting at 81°F – about normal for this time of year, no anomaly to worry about.
Rusty
Short Range ForecastMostly dry. Warm (max 28°C on Sun afternoon, min 25°C on Mon night). Mainly fresh winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Thu morning, min 24°C on Wed night). Mainly fresh winds. | |||||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||
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) | S 18 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 20 | S 18 | S 18 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | E 10 | E 12 | E 13 | E 13 |
Wave Graph | ||||||||||||||||||||
156 | 288 | 184 | 234 | 237 | 218 | 356 | 373 | 627 | 741 | 1029 | 991 | 763 | 743 | 602 | 496 | 643 | 1174 | 2270 | 3082 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 1:39AM0.27m | 2:43PM0.83m | 2:33AM0.31m | 3:23PM0.83m | 3:22AM0.36m | 3:59PM0.80m | 4:08AM0.41m | 4:32PM0.75m | 4:55AM0.46m | 5:02PM0.68m | 5:41AM0.50m | 5:29PM0.60m | ||||||||
Low Tide | 9:29PM0.15m | 7:07AM0.02m | 9:56PM0.13m | 8:02AM0.01m | 10:23PM0.11m | 8:53AM0.02m | 10:50PM0.10m | 9:42AM0.06m | 11:15PM0.09m | 10:30AM0.11m | 11:40PM0.09m | 11:19AM0.18m | 00:04AM0.09m | |||||||
— | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | |
7:06 | — | — | 7:06 | — | — | 7:05 | — | — | 7:04 | — | — | 7:04 | — | — | 7:02 | — | — | 7:01 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 26 | 28 | 28 | 26 | 27 | 28 | 26 | 27 | 27 | 25 | 28 | 28 | 26 | 27 | 28 | 26 | 28 | 28 | 26 |
Feels °C | 27 | 26 | 29 | 27 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 26 | 25 | 25 | 24 | 25 | 25 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 16 | E 8 | SSW 15 | E 7 | SSW 14 | SSW 14 | SSW 13 | S 18 | S 18 | S 16 | S 16 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | E 13 | E 13 |
85 | 288 | 148 | 234 | 108 | 218 | 356 | 317 | 627 | 741 | 1029 | 991 | 763 | 743 | 602 | 496 | 377 | 345 | 2270 | 3082 | |
Swell 2 Height (m) Direction Period (s) | S 18 | SSW 12 | SSW 15 | SSE 10 | SSW 15 | SSW 11 | SSE 9 | S 20 | SSW 13 | SSW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 11 | WNW 12 | WNW 12 | W 11 | W 11 | S 13 | S 13 |
156 | 82 | 184 | 36 | 237 | 40 | 31 | 373 | 289 | 289 | 28 | 27 | 28 | 25 | 27 | 27 | 21 | 38 | 276 | 273 | |
Swell 3 Height (m) Direction Period (s) | SW 16 | SSE 10 | SSW 12 | SSW 11 | SSE 9 | SE 9 | S 21 | SE 9 | WNW 13 | WNW 12 | SSE 9 | SSE 9 | SSE 9 | SW 18 | SSE 12 | SSW 17 | SSW 17 | SSE 11 | WNW 13 | WNW 13 |
127 | 36 | 81 | 49 | 33 | 21 | 79 | 19 | 33 | 28 | 8 | 8 | 8 | 13 | 13 | 30 | 29 | 12 | 57 | 55 | |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | ENE 7 | E 8 | ENE 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | ENE 7 | E 7 | E 8 | E 8 | E 10 | E 12 | ENE 13 | ENE 13 |
196 | 177 | 97 | 153 | 186 | 127 | 131 | 127 | 128 | 115 | 98 | 123 | 175 | 230 | 227 | 301 | 643 | 1174 | 3501 | 4937 | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 150 | 7 | 8 | 150 | 7 | 12 | 23 | 7 | 7 | 111 | 3 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Nimitz Beach Surf forecast
The above surf forecast table for Nimitz Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Nimitz Beach can be found by selecting the local surf guide option on the grey menu. Our Nimitz Beach 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 (Nimitz Beach) 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 Nimitz Beach 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.
Nimitz Beach is 5 km (3 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.











