Tennis Courts Surf Break

Lat Long: 21.29° N 157.86° W

Tennis Courts Surf Forecast and Surf Report

Issued: 1 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Tennis Courts sea temperature is
27.3°C
0.3° 

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 14 Sep 2026:

  • Best quality surf: Friday 18 Sep, 11PM (local time) - 3.5ft (1.0m), 16s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 17 Sep, 2PM (local time) - 7ft (2.1m), 10s period, ENE swell with 799 kJ wave energy.
  • Next surfable swell (1★+): Friday 18 Sep, 11PM (local time) - 3.5ft (1.0m), 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 Friday (Sep 18) at 11PM. The primary swell is predicted to be 1.0m and 16s period with a secondary swell of 0.4m and 6s. Another secondary swell of 1.8m and 8s 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 2.1m 10s and forecast to arrive on Thursday (Sep 17) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.7m 6s period and expected on Wednesday (Sep 16) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 18th Sep)3.5ft (1.0m) 16s
Best Surf11PM (Fri 18th Sep)3.5ft (1.0m) 16s
Most Powerful 2PM (Thu 17th Sep)7ft (2.1m) 10s

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


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s on the table for this stretch.

Straight up, we’ve got a bit of a flat spell to start. The first proper surf recommendation isn’t until Monday the 14th of September, and even then it’s a tough call. The pattern is a long, drawn-out run of marginal surf with clean conditions but poor wave quality. There’s a gap of several days with no real recommendations from the 14th right through until the 23rd, where we get a small window of something a bit bigger. The true standout window doesn’t arrive until the very end of the forecast, around the 26th of September and beyond.

For Tennis Courts, the wave energy is weak at first. Monday the 14th sees a combined swell energy of only 135, with a tiny 1ft to 2ft SW swell. Wind is cross-off from the ENE, so the surface is clean, but there’s just not enough push. The water temp is 81°, which is about average for this time of year. This marginal theme continues through the week. By Wednesday the 16th, the energy climbs to 827, then 1016 on the afternoon, with a 3ft SSW swell, but the wind is a fresh 19 mph cross-off. Not great.

Thursday the 17th sees a jump to 7ft, but it’s a short-period ENE windswell of 9-10 seconds, with a strong cross-off breeze. Combined energy is up around 1188, but the quality is still marginal. This run of bigger but messy swell continues through the weekend. Saturday the 19th has 6ft ENE swell with an 8-second period and a cross wind that’s going to chop it up. This is not the good stuff.

The real interest, and the one true standout, lands on the final weekend. Saturday the 26th of September morning, the wind goes glassy out of the SE at 3 mph. The swell is a clean 3ft from the SSW with a 15-second period. That’s proper groundswell energy (combined energy 492). The wave comment says “expect good surf conditions.” The afternoon gets even better – 3ft SSW swell, 14-second period, and absolutely glassy with zero wind. Combined energy is 504, and the comment says “expect very good surf conditions.” This is the pick of the whole period. The long period (over 15 seconds) means it will hold up best at the reef, giving long, clean lines.

Sunday the 27th holds similar 3ft SSW swell, with glassy conditions in the morning and light offshore wind in the afternoon. By Monday the 28th of September, we’re looking at 3ft to 4ft SW swell, glassy, with combined energy hitting 736 in the afternoon. Expect very good surf conditions. Tuesday the 29th continues the glassy, clean theme with 3ft SSW to SW swell. This whole last week is the time to be in the water.

This spot is a reef break, advanced only, and it’s fairly consistent but can be a bit fickle. The crowds are listed as “sometimes,” so you might have some company on the good days.

Signing off, Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Tue afternoon, min 25°C on Mon morning). Mainly fresh winds.

Days 4-6 Weather Summary

Light rain (total 9mm), mostly falling on Thu night. Warm (max 28°C on Fri afternoon, min 26°C on Thu morning). Mainly fresh winds.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
1
1
1
1
1
1
2
1
2
2
3
2
2
3
1
1
2
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SW
23
0.5
SW
22
0.5
SW
21
0.7
SW
20
0.7
SW
19
0.8
SSW
19
0.9
SW
18
0.9
SSW
18
0.9
SW
17
2
ENE
10
2
ENE
9
1
SSW
18
1
SSW
17
1
SSW
17
1
SSW
16
0.9
SSW
16
0.9
SSW
16
1.8
ENE
8
2
E
7
1.7
ENE
8
1.8
ENE
7
Wave Graph
Metric surfscale
Energy kJ
86
227
224
392
384
470
455
541
429
763
630
644
622
580
539
392
402
427
411
345
365
Wind (km/h)
20
ENE
15
ENE
15
ENE
20
ENE
25
ENE
25
ENE
25
ENE
30
NE
30
NE
30
ENE
30
ENE
25
ENE
30
ENE
25
E
20
ENE
25
E
35
ENE
25
ENE
35
ENE
35
ENE
30
ENE
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-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:40PM0.36m
7:02AM0.58m
6:07PM0.30m
7:59AM0.57m
6:32PM0.25m
9:10AM0.56m
7:25PM0.21m
10:27AM0.57m
11:01PM0.21m
11:34AM0.59m
00:19AM0.23m
12:26PM0.61m
00:59AM0.27m
Low Tide
12:45PM0.20m
11:42PM0.08m
2:03PM0.23m
00:07AM0.11m
4:06PM0.24m
00:38AM0.13m
7:14PM0.21m
1:26AM0.16m
7:23PM0.18m
2:56AM0.18m
7:43PM0.16m
4:35AM0.17m
8:01PM0.15m
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
thunderstorm
thunderstorm
clear
clear
thunderstorm
part cloud
clear
part cloud
cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
6:18
6:18
6:18
6:18
6:18
6:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:34
6:32
6:31
6:30
6:30
6:29
 mm
1
5
3
Temp °C
26
27
26
27
28
26
27
28
26
27
27
26
27
28
26
27
27
26
26
27
26
Feels °C
25
26
27
28
28
26
27
27
26
27
26
26
25
26
27
27
25
25
24
25
25
  • Map Icons:
  • Break
  • 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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