Rabbit/Manana Island Surf Break

Lat Long: 21.33° N 157.66° W

Rabbit/Manana Island Surf Forecast and Surf Report

Issued: 1 am 10 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rabbit/Manana Island sea temperature is
26.9° C
0.3° 

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 10 Aug 2026:

  • Best quality surf: Sunday 16 Aug, 2AM (local time) - 11ft (3.5m), 11s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Sunday 16 Aug, 2PM (local time) - 21ft (6.5m), 12s period, ENE swell with 10,957 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 2AM (local time) - 11ft (3.5m), 11s period with ENE 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 2AM. The primary swell is predicted to be 3.5m and 11s 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 6.5m 12s and forecast to arrive on Sunday (Aug 16) at 2PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Monday (Aug 17) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sun 16th Aug)11ft (3.5m) 11s
Best Surf 2AM (Sun 16th Aug)11ft (3.5m) 11s
Most Powerful 2PM (Sun 16th Aug)21ft (6.5m) 12s

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


The Lowdown

G’day, Rusty here. Let’s talk about the surf outlook for Rabbit/Manana Island. Honestly, for the next 16 days, it’s a real mixed bag with a lot of waiting and one wild, giant-sized window for the brave.

Right now and through the first week, it’s mostly a write-off. The trades are howling from the ENE, blowing cross to cross-onshore, and the swell is small, short-period stuff – mostly around 4ft to 5ft, with periods of 6 to 8 seconds. Combined swell energy sits between 140 and 260, which is weak to moderate, but the wind just wrecks it. The water temp is 80°, which is about average for this time of year. Don’t bother paddling out; it’s lumpy and choppy. From Monday 10th right through to Friday 14th, it’s all "poor surf conditions," day in, day out. Saturday 15th gets bigger, but the wind is onshore and messy, making it a washing machine.

The standout – and it’s a massive one – is Sunday, August 16th. A serious pulse of ENE groundswell rolls in, with sizes jumping to 16ft in the morning and 20ft in the afternoon. The period is 11 to 12 seconds, which is solid groundswell energy, and the combined swell energy goes nuclear: 6683 and then 8461. That’s very strong to extreme energy. The wind clocks around to a clean offshore from the SSE, and the note says wind and tide are favorable. But… there’s the catch: the forecast says the swell is predicted to be too big for this break. With waves over 8ft, this is expert-only territory. If you’re a seasoned charger with the right craft and the nerve, it could be a day of a lifetime at this exposed spot. For everyone else, it’s a day to watch from the cliff and take photos. Crowds are possible here, but on a day like that, most will stay on the beach.

After that, things settle back down quickly. Monday, August 17th, the swell drops to 6ft with a 9-second period, and while the wind is a gentle cross-shore, the notes say it’s "marginal" with questionable tide. It’s a maybe for a skilled surfer, but nothing special. From Tuesday 18th onward, it’s back to the same old story: cross to cross-onshore ENE winds, messy waves, and weak energy. That pattern holds all the way to Tuesday, August 25th, with no real quality on offer. So, to sum it up: you’ve got a solid week and a half of poor conditions, one massive but risky Sunday, and then another week of wind-affected slop. If you’re after a good, clean paddle session, this isn’t your window unless you’re an expert with a death wish on the 16th.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Mon morning, min 25°C on Tue night). Mainly fresh winds.

Days 4-6 Weather Summary

Heavy rain (total 42mm), heaviest during Sat night. Warm (max 26°C on Thu morning, min 25°C on Thu night). Winds increasing (fresh winds from the NE on Thu morning, severe gales from the SSW by Sat night).

Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
!
!
!
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
ENE
8
1.3
ENE
8
1.4
E
7
1.3
ENE
7
1.2
ENE
7
1.3
E
7
1.4
ENE
6
1.4
ENE
6
1.5
E
6
1.5
ENE
6
1.7
ENE
7
2
ENE
7
2
ENE
7
2.1
ENE
8
2.5
E
12
2.5
ENE
11
3
ENE
12
3.5
ENE
11
5
ENE
12
6
ENE
11
2.5
ENE
9
Wave Graph
Metric surfscale
Energy kJ
202
218
215
181
160
176
160
153
182
172
249
371
440
561
1775
1597
2804
2872
6683
8461
1230
Wind (km/h)
25
ENE
30
ENE
25
ENE
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
30
ENE
35
NE
35
NE
35
ENE
40
NE
35
NE
35
NE
40
NNE
45
N
40
WSW
35
SSE
30
SSE
20
SSE
Wind State
cross-on
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-off
off
off
cross-off
High Tide
2:17PM0.74m
00:48AM0.34m
2:50PM0.74m
1:43AM0.37m
3:21PM0.72m
2:36AM0.40m
3:49PM0.69m
3:28AM0.42m
4:12PM0.63m
4:22AM0.43m
4:30PM0.58m
5:20AM0.44m
4:40PM0.52m
Low Tide
8:55PM0.22m
7:12AM-0.10m
9:16PM0.20m
7:57AM-0.08m
9:41PM0.17m
8:39AM-0.03m
10:07PM0.14m
9:20AM0.03m
10:33PM0.12m
10:00AM0.11m
10:59PM0.09m
10:41AM0.19m
11:25PM0.08m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:07
6:07
6:07
6:07
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:02
7:02
7:01
7:00
7:00
7:00
 mm
3
39
15
2
2
Temp °C
26
26
26
26
26
25
25
25
26
26
26
25
25
25
25
26
26
26
26
27
26
Feels °C
26
25
26
25
24
22
24
22
25
24
23
22
21
22
22
24
23
22
22
26
26
  • 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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