Surf Forecasts:
Tennis Courts surf forecast from 4 Aug 2026:
- Best quality surf: Tuesday 4 Aug, 5AM (local time) - 5ft (1.5m), 11s period, ENE swell with cross-offshore winds.
- Most powerful swell: Tuesday 4 Aug, 2AM (local time) - 5ft (1.5m), 12s period, ENE swell with 623 kJ wave energy.
- Next surfable swell (1★+): Tuesday 4 Aug, 5AM (local time) - 5ft (1.5m), 11s 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 Tuesday (Aug 04) at 5AM. The primary swell is predicted to be 1.5m and 11s period with a secondary swell of 0.4m and 12s. 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 1.5m 12s and forecast to arrive on Tuesday (Aug 04) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 6s period and expected on Friday (Aug 07) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 4th Aug) | 5ft (1.5m) 11s |
| Best Surf | 5AM (Tue 4th Aug) | 5ft (1.5m) 11s |
| Most Powerful | 2AM (Tue 4th Aug) | 5ft (1.5m) 12s |
Table - best surf conditions forecast for Tennis Courts over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about what’s shaping up for the next couple of weeks.
Right now, the outlook is a bit of a slow burn. The only spot that’s really on the radar is Tennis Courts, a fairly consistent advanced reef break exposed to the swell. The water temp is sitting at 80.8°F, which is about normal for this time of year, nothing wild there.
The best of the bunch looks like Tuesday afternoon, the 4th of August. We’ve got a clean 4.6ft swell rolling in from the ENE, with a period of 11 seconds—that’s proper groundswell, good energy. The wind is light and cross-offshore out of the NE, so the face will be clean. Combined wave energy is moderate at 534, so there’s a bit of push behind it. This is the standout session, no doubt.
Monday afternoon the 3rd is not worth paddling out—cross-off wind at 15.5 mph and 4.9ft of short-period junk, combined energy only 493, and the wave comment says poor. Wednesday the 5th stays marginal both sessions with 3.6ft to 3.9ft ENE swell and steady cross-off breezes. Thursday the 6th through Sunday the 9th is mostly a write-off, with small SSW swell, fresh winds, and poor conditions. The surf picks up a bit from the 10th to the 12th, but the wind stays fresh and the quality doesn’t quite click.
Saturday the 8th and Sunday the 9th see the swell size jump to 5.6ft to 5.9ft, but the period drops to 7-8 seconds and the wind is a fresh 21.7 mph cross-off. That’s a lot of chop for a reef break, and the wave comment says marginal or poor. Not worth the hassle.
The 14th of August (Friday) is the biggest swell of the whole period—8.2ft from the ENE, period of 8 seconds, combined energy hitting 1101 in the afternoon. That’s strong energy. But at that size, Tennis Courts is expert-only, and the wind is still a fresh 21.7 mph cross-off. The morning is marginal, the afternoon is marginally better. Only for the brave.
The rest of the second week, from the 15th to the 18th, the swell stays around 6.6ft or drops off, but the wind remains strong—21.7 to 28 mph—and the wave comments are consistently poor. By the 18th, the energy drops to just 90, with a weak 2.6ft cross-shore wind and a cross-chop.
So, the clear call is Tuesday afternoon the 4th. That’s your window. After that, it’s a waiting game with a lot of wind and not much quality.
Stay safe out there.
Short Range ForecastMostly dry. Warm (max 27°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Thu afternoon, min 24°C on Thu night). Mainly fresh winds. | |||||||||||||||||||
Mon 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 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 8 | ENE 12 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 9 | ENE 9 | SSW 14 | ENE 8 | SW 14 | SSW 14 | SW 20 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 294 | 623 | 452 | 415 | 473 | 269 | 203 | 186 | 81 | 142 | 102 | 77 | 99 | 260 | 277 | 225 | 297 | 314 | 373 | 322 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | 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 |
High Tide | 6:55PM0.44m | 8:56AM0.47m | 7:27PM0.36m | 10:11AM0.53m | 8:07PM0.29m | 11:24AM0.60m | 9:30PM0.22m | 12:27PM0.67m | 11:32PM0.19m | 1:22PM0.73m | 00:59AM0.19m | 2:10PM0.78m | 2:02AM0.22m | |||||||
Low Tide | 1:46AM0.04m | 2:52PM0.27m | 2:23AM0.03m | 5:19PM0.27m | 3:10AM0.03m | 7:39PM0.21m | 4:08AM0.02m | 8:34PM0.16m | 5:14AM0.01m | 9:09PM0.12m | 6:20AM-0.01m | 9:40PM0.08m | ||||||||
 |  |  | | | | | |  | | | | | | | | | | | | |
 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — |
 | 7:08 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:06 | — | — | 7:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 26 | 27 | 26 | 26 | 27 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 25 |
Feels °C | 26 | 25 | 27 | 29 | 27 | 26 | 27 | 26 | 26 | 26 | 25 | 25 | 24 | 25 | 23 | 23 | 23 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | E 12 | ENE 12 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | SSW 15 | SW 14 | ENE 8 | SSW 14 | ENE 8 | ENE 7 | NE 7 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 17 | SSW 12 | S 16 |
| kJ | 108 | 623 | 452 | 415 | 358 | 269 | 88 | 54 | 59 | 80 | 32 | 21 | 24 | 107 | 113 | 101 | 99 | 159 | 86 | 131 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSE 12 | SSW 14 | SSE 11 | SW 14 | SSW 14 | SSW 14 | SSW 19 | SW 18 | SSW 18 | SW 18 | SSW 13 | SW 16 | SSW 12 |
| kJ | 50 | 56 | 46 | 51 | 47 | 38 | 39 | 49 | 81 | 24 | 102 | 77 | 73 | 148 | 164 | 124 | 150 | 96 | 66 | 57 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SSE 9 | W 13 | SW 16 | SW 15 | SSE 13 | SSE 12 | SSW 10 | SSE 12 | SSW 10 | SSE 11 | S 11 | SW 20 | S 11 | SSE 10 | SSE 10 | W 12 | W 11 | SSW 18 | SW 16 |
| kJ | 41 | 8 | 30 | 68 | 57 | 56 | 49 | 20 | 26 | 9 | 40 | 21 | 99 | 21 | 18 | 19 | 25 | 21 | 102 | 64 |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | — | — | ENE 10 | — | ENE 9 | ENE 9 | ENE 6 | ENE 8 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 |
| kJ | 294 | — | — | — | 473 | — | 203 | 186 | 53 | 142 | 27 | 36 | 42 | 260 | 277 | 225 | 297 | 314 | 373 | 322 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 36 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 28 | 0 | 3 | 28 | 28 | 36 | 36 | 28 | 29 | 36 | 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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