Surf Forecasts:
Tennis Courts surf forecast from 4 Sep 2026:
- Best quality surf: Sunday 6 Sep, 8PM (local time) - 7.5ft (2.3m), 12s period, ENE swell with cross-offshore winds.
- Most powerful swell: Monday 7 Sep, 8PM (local time) - 15ft (4.5m), 14s period, SSW swell with 8,639 kJ wave energy.
- Next surfable swell (1★+): Sunday 6 Sep, 8PM (local time) - 7.5ft (2.3m), 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 Sunday (Sep 06) at 8PM. The primary swell is predicted to be 2.3m and 12s period with a secondary swell of 1.8m and 14s. Another secondary swell of 0.5m and 19s 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 4.5m 14s and forecast to arrive on Monday (Sep 07) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 10s period and expected on Tuesday (Sep 08) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sun 6th Sep) | 7.5ft (2.3m) 12s |
| Best Surf | 8PM (Sun 6th Sep) | 7.5ft (2.3m) 12s |
| Most Powerful | 8PM (Mon 7th Sep) | 15ft (4.5m) 14s |
Table - best surf conditions forecast for Tennis Courts over the next 16 days.
The Lowdown
Alright, Rusty here, let's break down what's happening at Tennis Courts.
To be honest, it's not a classic stretch of surf. The trade winds are blowing steady from the ENE, which keeps the surface clean and glassy, but the actual wave quality is being called marginal for most of the forecast. The water is a warm 27°, which is about what you'd expect for September, so nothing weird there.
Your best shot at something worthwhile is early next week. Monday morning, September 7th, we get a real pulse of SSW groundswell, a solid 8ft with a 15-second period. That's a long-period groundswell with serious energy (5381), but the wind switches to a cross-shore ESE breeze and the report says it'll be a bit lumpy with a cross-chop. It's a shame because the swell has the size and the power. By Monday afternoon, it's a write-off with a cross-on SE wind and a massive 13ft of swell (energy of 8984), making it a messy, expert-only situation. That setup looks way more interesting for kite surfing than paddle surfing.
After that pulse fades, we're back to the small stuff. From Tuesday the 8th through the 11th, we're looking at waves mostly under 3ft, with the ENE trades blowing at 18-25 mph. There's a small window on Friday the 11th morning where the swell bumps up to 6ft from the ENE with a 12-second period and the wind is a manageable cross-off, but the energy is only moderate (1040) and the overall quality is still considered marginal.
The pattern continues into the second week. There are a few little bumps, like Tuesday the 15th with a 7ft ENE swell (energy 1614), but again, the period is only 10 seconds and the trades are pumping. The long-range standouts are for Wednesday the 16th, where a 4ft SW groundswell with an 18-second period shows up, and Thursday the 17th with a 6ft ENE swell. All of these are in the same boat – marginal quality with strong cross-off winds. Nothing is a clear winner, but for the patient local, the early morning glass-offs before the wind really picks up might offer a clean, if not perfect, wave.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Sat afternoon, min 25°C on Thu night). Mainly strong winds. | Days 5-7 Weather SummaryHeavy rain (total 33mm), heaviest during Sun night. Warm (max 28°C on Tue afternoon, min 23°C on Sun night). Winds decreasing (strong winds from the SSE on Mon night, light winds from the E by Tue night). | |||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||
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 7 | ENE 7 | S 13 | E 14 | E 14 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | SSW 14 | SSW 15 | SSW 15 | SW 11 | ENE 11 | ENE 10 | SSW 14 | SSW 14 | E 13 | E 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 558 | 487 | 529 | 594 | 1807 | 1641 | 1641 | 1568 | 1240 | 1369 | 1700 | 3195 | 6963 | 2891 | 550 | 371 | 356 | 273 | 229 | 219 |
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 | cross-on | on | on | on | cross | cross-off | cross-off | cross-off |
High Tide | 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 | 3:05PM0.69m | 3:32AM0.45m | |||||||
Low Tide | 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 | 8:21AM0.06m | 9:46PM0.05m | |||||||
 |  |  | | | | | | |  |  | | |  |  | | | | | | |
 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — |
 | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — | — | 6:39 | — |
mm | — | — | — | — | — | — | — | — | — | 7 | 15 | — | — | 8 | 2 | 1 | — | — | — | — |
Temp °C | 26 | 25 | 26 | 26 | 25 | 26 | 27 | 25 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 26 |
Feels °C | 23 | 21 | 22 | 22 | 23 | 24 | 25 | 24 | 27 | 25 | 25 | 27 | 25 | 25 | 28 | 30 | 31 | 27 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 12 | SSW 14 | SSW 15 | SSW 15 | ENE 12 | SSW 9 | ENE 10 | ENE 8 | ENE 8 | ENE 8 | E 13 |
| kJ | 187 | 339 | 529 | 594 | 469 | 547 | 661 | 718 | 656 | 608 | 1700 | 3195 | 6963 | 1001 | 482 | 290 | 177 | 142 | 128 | 219 |
Swell 2 Height (m) Direction Period (s) | S 14 | E 14 | E 14 | E 14 | N 11 | SSW 17 | NNE 10 | N 8 | SSW 16 | SSW 15 | S 18 | SSW 17 | ENE 12 | SSW 15 | ENE 11 | SSW 8 | S 8 | SSW 14 | E 13 | SSW 13 |
| kJ | 200 | 334 | 357 | 577 | 10 | 117 | 19 | 12 | 310 | 474 | 240 | 394 | 1556 | 474 | 550 | 240 | 134 | 273 | 229 | 133 |
Swell 3 Height (m) Direction Period (s) | E 12 | SW 18 | SW 12 | SW 13 | SSW 20 | NNE 10 | S 22 | N 11 | SSE 10 | SSE 10 | N 9 | S 8 | SSW 17 | E 14 | W 9 | SSW 14 | SSW 14 | E 13 | SSW 13 | S 7 |
| kJ | 145 | 12 | 6 | 27 | 37 | 20 | 9 | 9 | 19 | 34 | 2 | 116 | 465 | 148 | 194 | 371 | 356 | 229 | 204 | 28 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 14 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | — | SW 11 | — | — | — | — | — | ENE 7 |
| kJ | 558 | 487 | 443 | 404 | 1807 | 1641 | 1641 | 1568 | 1240 | 1369 | 1649 | 1676 | — | 2891 | — | — | — | — | — | 167 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 42 | 37 | 42 | 128 | 28 | 28 | 36 | 28 | 28 | 0 | 1 | 60 | 126 | 144 | 21 | 17 | 0 | 1 | 29 | 28 |
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.
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