Ninja's Surf Break

Lat Long: 4.37° N 73.62° E

Ninja's Surf Forecast and Surf Report

Issued: 10 am 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ninja's sea temperature is
29.4°C
0.7° 

Ninja's surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Ninja's surf forecast from 3 Sep 2026:

  • Best quality surf: Thursday 3 Sep, 5PM (local time) - 4.5ft (1.3m), 10s period, SSE swell with cross-offshore winds.
  • Most powerful swell: Thursday 10 Sep, 2PM (local time) - 5ft (1.5m), 16s period, SSW swell with 1,096 kJ wave energy.
  • Next surfable swell (1★+): Thursday 3 Sep, 5PM (local time) - 4.5ft (1.3m), 10s period with SSE swell.

Best Forecast Surf Conditions for Ninja's this week:

The surf forecast for Ninja's over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 03) at 5PM. The primary swell is predicted to be 1.3m and 10s period with a secondary swell of 0.8m and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Ninja's in the next 16 days are 1.5m 16s and forecast to arrive on Thursday (Sep 10) 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 0.7m 4s period and expected on Thursday (Sep 10) at 2PM.

Wave TypeTime (+05) & Date Wave Height & Period
Next good surf (1 star+) 5PM (Thu 3rd Sep)4.5ft (1.3m) 10s
Best Surf 5PM (Thu 3rd Sep)4.5ft (1.3m) 10s
Most Powerful 2PM (Thu 10th Sep)5ft (1.5m) 16s

Table - best surf conditions forecast for Ninja's over the next 16 days.


The Lowdown

Alright, grab a coffee and let's talk about the next couple of weeks at Ninja's (Big Island) . It's a reef break, which is a big deal, because with the periods we're looking at, the points and reefs are where it's at. The water's sitting at 85° right now, which is about average for this time of year, so just your usual boardshorts and a light rash guard.

Honestly, the first stretch is a bit of a letdown. We've got a solid run of small, short-period swell rolling in from the SSE for the next few days, and while the winds are mostly light—and we even get a glassy window on Sunday afternoon—the waves are just too weak to get excited about. You're looking at waves around 4ft, but the energy is pretty weak, and with periods around 10 seconds, it's just not going to have any punch. There's one day, Friday the 4th, where the period ticks up to 11 seconds, but it's still small and a bit cross. It's the kind of surf where you might get a few fun ones if you're desperate, but it's not worth paddling out for.

The real story starts to shift around the 9th and 10th. We're waiting on a proper groundswell from the SSW. You can see the energy values start climbing, then jump right up on the 10th. That's a huge jump in energy, a sign of some serious juice on the way. The swell builds to a more respectable 5ft, and the period stretches out to 16 seconds—that's proper groundswell. You'll feel the ocean breathing between sets, but for a reef like this, that long period is going to translate into some beautiful, walled-up waves.

The catch on the 10th and 11th is the wind. It's blowing a solid 12-15 mph from the west. It's technically cross-offshore, which will keep the faces clean, but it's going to be a bit lumpy and bumpy on the surface. Still, this is the most powerful surf we've seen, and if you're an experienced surfer, this is your window. The 10th is the standout, with that massive energy spike and 5ft of SSW swell.

However, after that initial push, it gets messy. The storms roll in from the 12th onwards, bringing a mix of rain and t-storms, and while the swell stays rideable, it drops back down to 3-4ft. The period stays long, but the consistency is questionable and the wind is up. By the 18th, the energy has bled out and it's just a wash.

The one other call-out is later on the 16th. We get another big energy spike with a 4ft swell and an 18-second period. That's a very long period, and on a reef, it could be a thing of beauty. It's a couple of weeks out, so treat it as promising but not guaranteed, but it has the potential to be the cleanest of the long-period events before it peters out.

For a beginner, honestly, the early small stuff is more your size, but the quality is poor. Once it gets over 5ft and the energy jumps, this is a spot for experienced surfers only. Given the wind and the swell direction late in the window, it might even be more of a kite-surfing show than a paddle-surfing one.

So, if you want my honest take: the 10th and 11th are the best on offer for power, and the 16th is the dark horse for quality. Everything else is just... there.

Rusty

Short Range Forecast

Mostly dry. Warm (max 28°C on Thu morning, min 27°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 28°C on Sun afternoon, min 27°C on Sun morning). Wind will be generally light.

Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
3
2
1
2
2
2
2
2
2
2
2
1
1
2
2
2
2
2
2
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
SSE
10
1.3
SSE
10
1.3
SSE
11
1.4
SSE
11
1.4
SSE
11
1.4
SSE
10
1.4
SSE
10
1.2
SSE
10
1.3
SSE
10
1.2
SSE
10
1.2
SSE
10
1.1
SSE
10
1.1
SSE
10
1.1
SSE
10
1
SSE
10
1
SSE
9
1.1
SE
9
1.1
SE
9
0.6
SSW
18
0.8
SSW
17
1.3
SSW
17
Wave Graph
Metric surfscale
Energy kJ
356
370
407
408
408
443
370
306
307
263
258
205
218
218
208
184
198
220
246
390
928
Wind (km/h)
10
WSW
10
W
10
WSW
10
WSW
5
W
5
W
5
WNW
10
NW
5
NW
5
W
5
WSW
0
WNW
10
SW
10
SW
10
WSW
10
W
15
WNW
15
WNW
15
WNW
20
WNW
20
WNW
Wind State
cross
cross-off
cross
cross
cross-off
glassy
cross-off
off
glassy
cross-off
glassy
glassy
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
3:27PM0.74m
5:19AM0.74m
3:38PM0.67m
6:43AM0.66m
3:19PM0.61m
9:52AM0.66m
11:14AM0.74m
10:31PM0.51m
11:49AM0.81m
11:40PM0.62m
12:17PM0.87m
00:24AM0.74m
Low Tide
10:04AM0.39m
10:13PM0.08m
10:37AM0.47m
10:52PM0.14m
11:26AM0.56m
11:50PM0.22m
2:28AM0.29m
6:25PM0.42m
4:39AM0.26m
6:23PM0.34m
5:39AM0.21m
6:38PM0.26m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
5:58
5:58
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:09
6:09
6:08
6:08
6:07
6:07
6:07
 mm
Temp °C
28
28
28
28
28
28
27
28
28
27
28
28
27
28
28
28
28
28
28
28
28
Feels °C
31
31
31
32
32
32
31
32
32
31
32
32
31
31
32
31
31
30
30
29
29
  • 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 Ninja's Surf forecast

The above surf forecast table for Ninja's provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ninja's can be found by selecting the local surf guide option on the grey menu. Our Ninja's 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 (Ninja's) 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 Ninja's 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.

Are you planning a holiday in North Male Atoll? If you are looking for accommodation near Ninja's, camping, hotels and holiday cottages in North Male Atoll, consider staying in Male which is 46 km (29 miles) away.

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