Surf Forecasts:
Tennis Courts surf forecast from 22 Aug 2026:
- Best quality surf: Friday 21 Aug, 5PM (local time) - 2.5ft (0.7m), 16s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 27 Aug, 11AM (local time) - 3.5ft (1.1m), 17s period, S swell with 716 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 5PM (local time) - 2.5ft (0.7m), 16s period with SW 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 Friday (Aug 21) at 5PM. The primary swell is predicted to be 0.7m and 16s period. 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 1.1m 17s and forecast to arrive on Thursday (Aug 27) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Monday (Aug 24) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Fri 21st Aug) | 2.5ft (0.7m) 16s |
| Best Surf | 5PM (Fri 21st Aug) | 2.5ft (0.7m) 16s |
| Most Powerful | 11AM (Thu 27th Aug) | 3.5ft (1.1m) 17s |
Table - best surf conditions forecast for Tennis Courts over the next 16 days.
The Lowdown
Alright, this is Rusty, and I’m looking at the solo spot on the menu: Tennis Courts. It’s a solid reef setup, exposed to the south-southeast, and built for the advanced crew. The water’s sitting at about 80°, which is pretty much dead average for late summer, so no surprises there.
We’ve got a bit of a slow start. The first real whispers of rideable surf don’t show up until Friday the 21st, but it’s small and marginal. You’re looking at knee-to-waist high stuff at 2 ft out of the southwest, with a long 17-second period. That groundswell energy is weak, about 321, and the morning has a light cross-onshore. Not worth rushing for. The Friday afternoon cleans right up with an offshore breeze, but the size is still tiny. Chances are you’ll be waiting.
Saturday the 22nd is a write-off. The wind pumps up to 22-25 mph out of the east-northeast, and while it’s offshore, the conditions are reported as poor. The combined swell energy jumps to 474-527, but that’s just wind messing with the ocean. No good.
Sunday the 23rd brings more of the same trash wind, but the swell direction flips to the east-northeast with a very short, weak period of 7 seconds. The height bumps to 6 ft, but it’s junky. This is not surfing weather. From Monday the 24th through to the end of August, it’s a long stretch of “marginal” or poor. The wind is relentless, blowing fresh out of the east-northeast every day, and while the surf stays in the 2 ft to 5 ft range, the swell periods are all over the place. Energy levels creep up, hitting 1012 by the 27th, but the caveat is the wind. It’s a grind.
Here’s where it gets interesting, but only for the experts. On Monday the 31st of August, we see a big pulse. Swell height jumps to 10 ft to 12 ft out of the east-northeast, with a moderate 10-11 second period. The combined energy is massive: 2133 to 2882. That’s strong wave energy. This is a legit swell, but the wind is still a solid 19-22 mph cross-offshore. It’s clean, but heavy. At this size, Tennis Courts is an expert-only zone. The wind will hold it open, but you’re going to need your wits about you. The 1st of September sees similar size, but the wind cranks up to near gale force on Tuesday afternoon, so the window is small.
The first few days of September continue with size, dropping from 7 ft down to 5 ft, but the period shortens up. The wind finally backs off a touch on the 3rd and 4th, with lighter breezes, but the swell is a bit junky with periods around 8 seconds. The 5th of September shows a glimmer of hope with a 5 ft swell and a long 12-second period out of the east-northeast, and light winds. Energy is moderate (931). That Saturday morning could be the cleanest pick of the whole run, but it’s still a marginal call on the charts.
Overall, the first week is a battle with the wind. The standout is definitely the 31st of August to the 1st of September for size, but you’ll need to be an expert and pick your moment. The 5th of September looks promising for cleaner, smaller waves if you’re willing to wait.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Fri morning, min 25°C on Sat night). Winds increasing (calm on Fri morning, strong winds from the ENE by Sat afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Mon afternoon, min 25°C on Mon night). Mainly fresh winds. | ||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||
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 17 | SW 16 | SSW 16 | SW 16 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 6 | SSW 14 | ENE 6 | ENE 7 | E 8 | ENE 7 | ENE 7 | SSW 14 | S 18 | S 19 | S 17 | S 16 | S 16 |
Wave Graph | |||||||||||||||||||||
291 | 261 | 322 | 261 | 255 | 423 | 301 | 223 | 212 | 168 | 218 | 187 | 324 | 276 | 239 | 215 | 307 | 351 | 716 | 417 | 482 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | 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 | cross-off |
High Tide | 12:25PM0.59m | 00:08AM0.21m | 1:12PM0.63m | 1:06AM0.23m | 1:52PM0.66m | 1:46AM0.26m | 2:26PM0.67m | 2:21AM0.29m | 2:56PM0.68m | 2:55AM0.33m | 3:24PM0.68m | 3:31AM0.37m | 3:53PM0.66m | 4:08AM0.41m | |||||||
Low Tide | 8:41PM0.17m | 5:06AM0.12m | 9:00PM0.16m | 6:08AM0.10m | 9:18PM0.14m | 6:59AM0.08m | 9:35PM0.13m | 7:43AM0.06m | 9:53PM0.11m | 8:24AM0.05m | 10:12PM0.10m | 9:05AM0.06m | 10:32PM0.08m | ||||||||
6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | |
— | 6:57 | — | — | 6:55 | — | — | 6:54 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 25 | 26 | 27 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 |
Feels °C | 30 | 30 | 29 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 26 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 17 | NE 7 | NE 7 | SW 16 | SW 16 | SSW 16 | SSE 13 | E 8 | SW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 16 | SSW 15 | SSW 14 | S 18 | S 19 | S 17 | S 16 | S 16 |
291 | 67 | 77 | 261 | 255 | 212 | 99 | 51 | 100 | 168 | 156 | 127 | 85 | 142 | 121 | 215 | 307 | 351 | 716 | 417 | 482 | |
Swell 2 Height (m) Direction Period (s) | NNE 7 | SW 16 | SSW 16 | W 10 | W 10 | S 14 | SW 15 | SSW 15 | SSE 13 | SSE 12 | SSE 12 | E 8 | SSW 16 | SSW 12 | SSW 12 | S 18 | SSW 13 | SSW 13 | N 8 | SSW 12 | E 16 |
40 | 261 | 322 | 50 | 53 | 104 | 116 | 191 | 96 | 50 | 48 | 51 | 146 | 81 | 56 | 165 | 135 | 98 | 6 | 46 | 125 | |
Swell 3 Height (m) Direction Period (s) | W 11 | W 10 | W 10 | S 12 | S 12 | WNW 10 | SSW 15 | SSE 13 | SSW 15 | SSW 18 | SSE 7 | SSE 12 | SSE 12 | SSE 6 | SSW 18 | SSE 12 | SSE 12 | SSW 16 | WNW 10 | E 17 | NNE 8 |
57 | 49 | 50 | 47 | 47 | 34 | 76 | 67 | 71 | 62 | 11 | 77 | 29 | 13 | 109 | 14 | 27 | 86 | 10 | 52 | 13 | |
Wind waves Height (m) Direction Period (s) | — | NE 7 | E 6 | ENE 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | E 8 | ENE 7 | ENE 7 | ENE 6 | ENE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 6 |
— | 106 | 59 | 173 | 238 | 423 | 301 | 223 | 212 | 140 | 218 | 187 | 324 | 276 | 239 | 200 | 137 | 155 | 114 | 135 | 92 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 28 | 36 | 39 | 36 | 36 | 37 | 28 | 36 | 36 | 28 | 30 | 36 | 28 | 36 | 30 | 28 | 28 | 28 | 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.











