
Surf Forecasts:
Tennis Courts surf forecast from 3 Sep 2026:
- Best quality surf: Monday 7 Sep, 2AM (local time) - 7ft (2.2m), 12s period, ENE swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 8AM (local time) - 18ft (5.5m), 14s period, SSW swell with 11,976 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 2AM (local time) - 7ft (2.2m), 12s period with ENE swell.
Best Forecast Surf Conditions for Tennis Courts this week:
The surf forecast for Tennis Courts over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 2AM. The primary swell is predicted to be 2.2m and 12s period with a secondary swell of 1.8m and 13s. Another secondary swell of 1.7m and 12s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Tennis Courts in the next 16 days are 5.5m 14s and forecast to arrive on Tuesday (Sep 08) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 10s period and expected on Tuesday (Sep 08) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 7th Sep) | 7ft (2.2m) 12s |
| Best Surf | 2AM (Mon 7th Sep) | 7ft (2.2m) 12s |
| Most Powerful | 8AM (Tue 8th Sep) | 18ft (5.5m) 14s |
Table - best surf conditions forecast for Tennis Courts over the next 16 days.
The Lowdown
Alright folks, Rusty here talking in feet. The surf outlook ahead is a bit of a mixed bag, but we've got some serious muscle showing up if you're willing to wait. For the next stretch, we're looking at a lot of marginal surf with a persistent cross-offshore wind. The water temp is sitting right around 81°, which is bang on average for the time of year at Tennis Courts – no surprises there.
We kick off Wednesday, September 2nd, with a messy 6 ft swell from the ENE, but it's a weak 8-second period and the wind is a solid 25 mph cross-off – so it's all a bit blown out. Honestly, the surf is poor.
Thursday the 3rd through Saturday the 5th, we see the swell bumping up to 7 ft to 8 ft, still from the ENE, but the short period (7 to 8 seconds) keeps it from being anything special. The wind is still a stiff cross-off at 19-25 mph, so it's clean but a bit wild and not well-shaped. On the 5th, the period jumps to a nice 14 seconds (groundswell) but the energy remains moderate in the 2578 range, and the swell still doesn't have the right direction for this reef to really light up. The wave comment says "marginal surf forecast" through all this, so don't get your hopes up.
Sunday the 6th and Monday the 7th are more of the same story with 7 ft to 8 ft ENE swell and moderate energy (2318 to 4301). It's the strongest energy we've seen so far, but the direction isn't ideal for the break's optimum SSE angle. It's still clean but not really working.
Tuesday the 8th is a big shift. A huge SSW groundswell fills in, with a 16 ft face at 13 seconds on Tuesday morning. That's serious business – the combined energy is a massive 10220, indicating very strong wave energy. However, the wind is a 28 mph onshore from the S, and the wave comment reads "poor surf conditions". For a reef break like Tennis Courts, that's a no-go for a paddle surfer. This setup would be a dream for the kite crew, not for us.
After that pulse, Wednesday the 9th settles right down to a small 3 ft SSW groundswell with a 14-second period and light, variable breeze. It's tiny and marginal.
Thursday the 10th through Friday the 11th sees a small 3 ft to 6 ft ENE swell, again with better period (14 seconds) but still cross-off wind. The energy is only moderate (698 to 1483). It's clean, but there's no power.
Now, the real standout is Saturday the 12th of September. The morning offers a small 6 ft ENE swell at 11 seconds, but the wind is a cross-shore. The afternoon, however, is where it's at. The swell settles to 5 ft, still from the ENE at 11 seconds, but the wind swings to a 16 mph cross-off. That's clean. The combined energy is 753 (moderate). It’s not huge, but for Tennis Courts, a clean 5 ft ENE swell with light cross-off breeze is a fun, workable wave for advanced surfers. It’s the best window in the whole run.
Sunday the 13th drops off a cliff for two days – everything is under 4 ft and weak. We have a gap of quiet days until the next potential.
From Tuesday the 15th and into the 17th, we see a return of some very long-period SW groundswell (18-21 seconds). The heights are small at 2 ft to 4 ft, but that long period is a rare treat. The combined energy climbs through the 700s to 1071 on the 16th. The wind stays a clean cross-off from the ENE. Because of the long period and small height, these waves will have long lulls between sets, but when they come, they'll be beautifully shaped, clean lines on the reef. The higher period swells from the SW are better for this spot, and the clean wind makes it the clear pick for the second week. It’s a delicate setup but very promising.
Best on offer: the clean afternoon of Saturday the 12th for a fun, manageable 5 ft ENE swell. For those with patience, the long-period SW swells around Tuesday the 15th and Wednesday the 16th offer rare quality, but you'll be waiting for the sets.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 25°C on Wed night). Mainly strong winds. | Days 5-7 Weather SummaryHeavy rain (total 23mm), heaviest during Mon night. Warm (max 27°C on Sat afternoon, min 24°C on Sun night). Winds increasing (light winds from the ENE on Sun night, near gales from the SSE by Mon night). | |||||||||||||||||||
Wed 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||
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) | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | E 14 | E 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 13 | SW 14 | SW 15 | SSW 13 | S 10 | SSW 9 |
Wave Graph | ||||||||||||||||||||
456 | 592 | 498 | 623 | 498 | 456 | 577 | 649 | 2039 | 1740 | 1630 | 1485 | 1200 | 1316 | 1671 | 1788 | 6206 | 9223 | 1330 | 499 | |
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-on | on | on | on |
High Tide | 6:54PM0.28m | 9:39AM0.62m | 7:57PM0.22m | 10:58AM0.66m | 10:35PM0.19m | 12:05PM0.69m | 00:18AM0.21m | 1:00PM0.73m | 1:21AM0.26m | 1:47PM0.73m | 2:09AM0.32m | 2:28PM0.72m | 2:51AM0.39m | |||||||
Low Tide | 3:38PM0.25m | 1:25AM0.06m | 6:22PM0.22m | 2:24AM0.08m | 7:30PM0.17m | 3:46AM0.09m | 8:03PM0.13m | 5:11AM0.08m | 8:31PM0.10m | 6:25AM0.07m | 8:57PM0.08m | 7:26AM0.06m | 9:22PM0.06m | |||||||
— | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | |
6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | 3 | 10 | 5 | 2 | — |
Temp °C | 27 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 27 | 26 | 27 | 27 | 26 | 25 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 24 | 22 | 22 | 22 | 22 | 22 | 23 | 22 | 23 | 25 | 26 | 26 | 26 | 26 | 23 | 25 | 24 | 25 | 25 | 28 |
Swell 1 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | SSE 13 | SSE 12 | S 12 | E 14 | E 14 | S 12 | S 12 | SSW 12 | SSW 12 | ENE 12 | ENE 12 | ENE 13 | SW 14 | SW 15 | ENE 11 | WSW 10 | SSW 9 |
318 | 275 | 209 | 454 | 308 | 353 | 577 | 649 | 461 | 538 | 669 | 548 | 1200 | 1316 | 1671 | 1570 | 6206 | 668 | 863 | 499 | |
Swell 2 Height (m) Direction Period (s) | S 11 | E 13 | SE 12 | E 12 | E 14 | E 14 | S 11 | S 12 | SW 18 | SSW 17 | SSE 9 | SSW 16 | SSW 12 | SSW 13 | SSW 13 | SSW 17 | NNW 12 | E 14 | ENE 10 | ENE 9 |
40 | 123 | 149 | 145 | 334 | 357 | 305 | 322 | 78 | 119 | 29 | 314 | 1081 | 1066 | 1253 | 510 | 14 | 140 | 428 | 190 | |
Swell 3 Height (m) Direction Period (s) | E 14 | SSE 15 | E 13 | S 14 | SSW 13 | SW 12 | SW 13 | S 13 | NNE 10 | NNE 10 | SSE 9 | SSE 10 | SSE 10 | S 10 | SSW 17 | S 10 | E 15 | E 14 | SSW 15 | W 8 |
66 | 93 | 162 | 146 | 69 | 6 | 27 | 176 | 20 | 19 | 29 | 56 | 37 | 71 | 381 | 154 | 109 | 189 | 300 | 149 | |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | — | ENE 12 | ENE 12 | ENE 12 | ENE 12 | SSW 13 | S 10 | — |
456 | 592 | 498 | 623 | 498 | 456 | 498 | 498 | 2039 | 1740 | 1630 | 1485 | — | 793 | 996 | 1788 | 1706 | 9223 | 1330 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 42 | 45 | 150 | 129 | 37 | 42 | 128 | 129 | 36 | 39 | 0 | 28 | 29 | 0 | 28 | 45 | 128 | 155 | 144 | 17 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
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Information about the Tennis Courts Surf forecast
The above surf forecast table for Tennis Courts provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tennis Courts can be found by selecting the local surf guide option on the grey menu. Our Tennis Courts 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 (Tennis Courts) 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 Tennis Courts 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.
Tennis Courts is 4 km (2 miles) from Honolulu. If you plan a vacation in Oahu, look for hotels and other accommodation in Honolulu. Honolulu has rooms for a wide range of budgets as well as car hire and transport links.










