Rabbit/Manana Island Surf Break

Lat Long: 21.33° N 157.66° W

Rabbit/Manana Island Surf Forecast and Surf Report

Issued: 1 pm 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rabbit/Manana Island sea temperature is
27.1° C
0.4° 

Rabbit/Manana Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Rabbit/Manana Island surf forecast from 16 Aug 2026:

  • Best quality surf: Sunday 16 Aug, 11AM (local time) - 10ft (3.0m), 9s period, E swell with cross-offshore winds.
  • Most powerful swell: Sunday 16 Aug, 2AM (local time) - 15ft (4.5m), 10s period, E swell with 3,370 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 11AM (local time) - 10ft (3.0m), 9s period with E swell.

Best Forecast Surf Conditions for Rabbit/Manana Island this week:

The surf forecast for Rabbit/Manana Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 16) at 11AM. The primary swell is predicted to be 3.0m and 9s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Rabbit/Manana Island in the next 16 days are 4.5m 10s and forecast to arrive on Sunday (Aug 16) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 10s period and expected on Sunday (Aug 16) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11AM (Sun 16th Aug)10ft (3.0m) 9s
Best Surf11AM (Sun 16th Aug)10ft (3.0m) 9s
Most Powerful 2AM (Sun 16th Aug)15ft (4.5m) 10s

Table - best surf conditions forecast for Rabbit/Manana Island over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s cookin’ for Rabbit/Manana Island over the next couple of weeks. Gotta be honest with you, the start of this run is a total write-off – we’re lookin’ at a solid week of raw, blown-out conditions that aren’t worth paddlin’ out for. The wind is just hammerin’ the place from the northeast, and the swell is all over the place. It’s not until the end of the month that we see a glimmer of hope.

The first real chance to get wet comes on Sunday, August 30th. The swell’s droppin’ a bit, but that's what we need. The water temp is about 81°F, which is pretty average for this time of year, so nothin’ special there.

For the whole 16-day window, the only standout is Sunday, August 30th, morning at Rabbit/Manana Island. Now, hold your horses – it’s a long-range call, so it’s not locked in yet, but it’s the best lookin’ window we’ve got. The swell direction is east, and the period is a very long 15 seconds – that’s proper groundswell energy. Combined swell energy is readin’ at 1537 (moderate/strong). The forecasted height is 6 ft, which is on the edgy side for beginners, but for the experienced crew, it’s got some push. What’s more important is the wind: it’s a gentle breeze from the ENE, listed as "cross," which is a massive improvement over the gale-force garbage we’ve been seein’. It’s gonna be clean, with just a slight cross-chop. The crowd factor says "sometimes," so it might get a bit of company, but with the conditions bein’ clean and the swell solid, it’ll be worth a look.

The rest of the run is a tough slog. From August 15th right through to August 28th, the surf is either blown out, too onshore, or just plain messy. The wind is constantly fresh or strong breeze from the ENE, mostly cross-on or cross, and the swell is either too big with a short period, or just too small. The combined energy values are all in the low two and three-digit range, which is weak to moderate at best. There’s a big gap of nearly two weeks of rubbish. The 29th of August shows a bit of pulse with a 15-second period and a 3 ft to 3 ft swell, but the wind is still messy, so it’s not a goer. The 30th is the only real light at the end of the tunnel.

So, to sum it up: the first two weeks are a washout. If you can wait it out, that Sunday morning session on the 30th is your best bet. Keep an eye on the wind, and hope it holds.

Rusty.

Short Range Forecast

Heavy rain (total 51mm), heaviest during Sun morning. Warm (max 26°C on Sat afternoon, min 24°C on Sat night). Winds decreasing (near gales from the ENE on Sat afternoon, light winds from the ENE by Sun night).

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Thu morning, min 24°C on Tue night). Wind will be generally light.

Sat
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
!
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
4
ENE
9
4.5
E
10
3
E
9
2.5
E
8
1.9
ENE
8
1.6
ENE
7
1.6
ENE
7
1.4
ENE
7
1.4
ENE
7
1.2
ENE
6
1.3
ENE
5
1
E
8
1.2
ENE
8
1.2
ENE
8
0.8
E
8
1.1
ENE
7
0.7
E
7
0.5
E
8
0.6
NNE
6
0.8
NE
7
Wave Graph
Metric surfscale
Energy kJ
2746
3370
1417
887
438
292
245
168
178
112
102
140
183
155
72
118
53
33
26
59
Wind (km/h)
60
ENE
50
E
30
ESE
20
E
20
E
30
ENE
30
ENE
25
ENE
30
ENE
25
ENE
25
ENE
20
ENE
20
NE
20
ENE
20
NE
20
NE
20
ENE
15
ENE
20
ENE
15
ENE
Wind State
cross-on
cross
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
4:30PM0.58m
5:20AM0.44m
4:40PM0.52m
6:27AM0.44m
4:40PM0.47m
8:02AM0.45m
4:17PM0.43m
10:23AM0.47m
11:48AM0.51m
12:32PM0.55m
Low Tide
10:59PM0.09m
10:41AM0.19m
11:25PM0.08m
11:25AM0.27m
11:52PM0.07m
12:27PM0.33m
00:26AM0.08m
1:15AM0.09m
2:41AM0.09m
4:16AM0.08m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
6:59
6:58
6:57
6:57
6:55
 mm
1
11
31
6
2
Temp °C
26
26
24
26
25
25
25
25
25
25
25
25
25
25
26
26
25
25
26
26
Feels °C
21
20
22
27
24
24
23
23
23
23
24
25
25
26
27
26
26
26
28
28
  • 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 Rabbit/Manana Island Surf forecast

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

Rabbit/Manana Island is 11 km (7 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.

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