Tennis Courts Surf Break

Lat Long: 21.29° N 157.86° W

Tennis Courts Surf Forecast and Surf Report

Issued: 1 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Tennis Courts sea temperature is
27.1° C
0.4° 

Tennis Courts surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Tennis Courts surf forecast from 18 Aug 2026:

  • Best quality surf: Wednesday 19 Aug, 8PM (local time) - 1.5ft (0.4m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Monday 24 Aug, 8PM (local time) - 8ft (2.4m), 7s period, ENE swell with 604 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 19 Aug, 8PM (local time) - 1.5ft (0.4m), 16s period with SSW 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 Wednesday (Aug 19) at 8PM. The primary swell is predicted to be 0.4m and 16s period with a secondary swell of 0.8m and 8s. 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 2.4m 7s and forecast to arrive on Monday (Aug 24) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 7s period and expected on Friday (Aug 21) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Wed 19th Aug)1.5ft (0.4m) 16s
Best Surf 8PM (Wed 19th Aug)1.5ft (0.4m) 16s
Most Powerful 8PM (Mon 24th Aug)8ft (2.4m) 7s

Table - best surf conditions forecast for Tennis Courts over the next 16 days.


The Lowdown

Alright, folks, Rusty here. Let’s break down what’s happening for the next couple of weeks.

We’ve got a slow start, but there’s some hope later. The real standout is going to be around the 20th, with a clean, glassy day. After that, we get some size, but the wind turns it into a battle.

The spot to watch is Tennis Courts. It’s an exposed reef, for advanced surfers only, and it’s fairly consistent. On Monday the 17th, there’s a small 3ft S swell with a moderate cross-offshore breeze. The combined energy is moderate at 656, but the surf is marginal and tide-dependent. Water temp is 81°, pretty average for this time of year.

Tuesday the 18th is a total loss – poor conditions. Wednesday the 19th is even smaller, with 2ft to 1ft SW swells. Not worth paddling out.

Now, Thursday the 20th is the day. Both morning and afternoon show clean 2ft SSW swell. The wind drops right off – a light breeze turning to almost nothing (3 mph) in the afternoon. The swell period is very long, 17 to 18 seconds, giving the waves real shape and push. Energy is moderate at 279 and 322. This is the standout for small-wave gear – clean, glassy, and that long-period groundswell will wrap in perfectly on the reef. It’s not for beginners, but for an advanced surfer on a longboard or a fish, this is prime. Crowds can show up here sometimes, so get in early.

Friday the 21st is a step down – a light cross-shore breeze and a slightly smaller swell. Still a few fun ones, but not as good.

Saturday the 22nd morning has more energy (370), but the wind picks up, and by the afternoon a fresh breeze (22 mph) makes a mess. Sunday the 23rd is worse – the swell jumps to 6ft from the ENE, but with a short, weak period of 6-7 seconds, plus fresh wind. That’s a no-go.

From Monday the 24th all the way through to Sunday the 31st, the swell gets big but ugly. Heights run from 7ft up to 10ft, with a short period (7-9 seconds) from the ENE/E. The combined energy gets strong, hitting values like 1617 and 1890. But the wind is strong – fresh to strong breeze, 19-25 mph, and it’s cross-offshore. This creates choppy, blown-out conditions. The reef might hold, but with that short period, it’s a washing machine. Honestly, this stretch looks more interesting for kite surfing than paddle surfing. Only for experts if you’re tough, and even then, it’s a grind.

The run fades at the end. Monday the 31st and Tuesday the 1st of September drop back to 3ft to 3ft, but the wind is howling at 22-28 mph. Not worth it.

So, to sum it up: your best bet is Thursday the 20th of August at Tennis Courts. Clean, glassy, super long-period S/SW swell, light winds. That’s the one. The second week brings size but nasty wind – keep an eye on it, but right now it’s not looking clean for a paddle.

Stay stoked, and check the tides.

- Rusty

Short Range Forecast

Mostly dry. Warm (max 27°C on Thu morning, min 24°C on Mon night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Thu afternoon, min 24°C on Thu night). Winds increasing (calm on Thu afternoon, fresh winds from the ENE by Sun morning).

Mon
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
0
0
1
1
1
1
2
2
2
1
1
1
1
0
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
S
14
1.3
ENE
7
0.7
S
13
0.6
S
13
1.2
ENE
8
0.5
SW
16
0.8
E
8
0.5
SW
16
0.6
SSW
18
0.6
SSW
17
0.7
SW
16
0.7
SW
17
0.7
SW
16
0.8
SSW
16
0.7
SW
16
0.7
SW
16
1.9
ENE
7
1.7
ENE
7
1.7
ENE
6
1.8
ENE
7
Wave Graph
Metric surfscale
Energy kJ
260
172
165
136
159
129
100
129
207
200
274
291
261
322
261
255
307
265
207
295
Wind (km/h)
25
ENE
25
ENE
25
ENE
25
ENE
20
ENE
20
ENE
15
ENE
15
NE
10
ENE
10
ENE
5
NE
10
E
10
E
20
ENE
20
ENE
35
ENE
35
ENE
35
ENE
35
NE
30
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
6:52PM0.37m
8:59AM0.51m
7:16PM0.30m
10:13AM0.53m
11:25AM0.56m
10:11PM0.21m
12:25PM0.59m
00:08AM0.21m
1:12PM0.63m
1:06AM0.23m
1:52PM0.66m
1:46AM0.26m
Low Tide
1:27AM0.08m
3:56PM0.27m
2:01AM0.10m
2:47AM0.12m
8:27PM0.20m
8:41PM0.17m
5:06AM0.12m
9:00PM0.16m
6:08AM0.10m
9:18PM0.14m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:11
6:11
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
6:59
6:58
6:57
6:57
6:55
6:54
 mm
Temp °C
26
25
26
26
25
25
26
25
27
27
26
26
26
26
27
27
26
26
26
25
Feels °C
26
25
24
23
25
25
27
26
29
29
29
28
28
29
28
25
25
24
24
23
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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