Rabbit/Manana Island Surf Break

Lat Long: 21.33° N 157.66° W

Rabbit/Manana Island Surf Forecast and Surf Report

Issued: 7 pm 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Rabbit/Manana Island sea temperature is
27.1° C
0.5° 

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 14 Aug 2026:

  • Best quality surf: Sunday 16 Aug, 2PM (local time) - 11ft (3.5m), 9s period, E swell with cross-offshore winds.
  • Most powerful swell: Sunday 16 Aug, 8AM (local time) - 13ft (4.0m), 10s period, E swell with 3,217 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 2PM (local time) - 11ft (3.5m), 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 2PM. The primary swell is predicted to be 3.5m 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 4.0m 10s and forecast to arrive on Sunday (Aug 16) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 8s period and expected on Sunday (Aug 16) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Sun 16th Aug)11ft (3.5m) 9s
Best Surf 2PM (Sun 16th Aug)11ft (3.5m) 9s
Most Powerful 8AM (Sun 16th Aug)13ft (4.0m) 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 coming down the pipe for Rabbit/Manana Island.

Well, I gotta be straight with you – this 16-day window is looking like a tough one. The overall pattern is dominated by a consistent onshore flow. For the most part, we're looking at cross-onshore winds and choppy, lumpy conditions. There's one brief window that stands out, but it's a bit of a wild card.

Starting off on Friday the 14th, the surf is already up but it’s a mess. We've got ENE swell at 7 ft, with a short 8-second period and a fresh cross-onshore wind at 22 mph. The combined energy is moderate (513) but the quality is just not there. As we go into the weekend, things get even bigger and more blown out. Saturday sees a 10 ft east swell with near gale-force winds at 31 mph, and the energy jumps to over 1300. Sunday morning is worse, with a 13 ft east swell and a strong cross-shore wind. The energy is pumping at 2800, but it’s all for nothing – it's a total washing machine out there.

Then, a glimmer of hope. Sunday afternoon, the 16th of August. The wind swings cross-offshore from the ESE at a moderate 12 mph, and the conditions turn clean. The report says "wind and tide favorable," but here’s the catch: the swell is predicted to be too big for this break, hitting 10 ft from the east with a 9-second period. That's big, expert-only territory, and the energy is strong at 1359. It’s a real shame because the clean conditions would be perfect otherwise. If you’re a seasoned charger and you know this break handles that size, it could be your session. Otherwise, it’s a day for watching.

After that little tease, it’s back to square one. The wind goes back onshore from the ENE, and the surf drops. Monday the 17th through to the end of the month we get small, weak, lumpy surf. A lot of 2 ft to 4 ft stuff, with periods around 7-8 seconds, and combined energy readings that are mostly below 200. The winds stay fresh and cross-onshore, keeping the surface chopped up. For almost two weeks straight, from the 17th of August right through to the 29th, it’s just not worth paddling out. The water temp here is about average for this time of year, which is a small comfort.

So, the standout? That Sunday afternoon on the 16th is the only real opportunity, but only for the brave. For everyone else, save your wax and wait for a change in the weather pattern. It's a long, flat, and bumpy stretch ahead.

Rusty.

Short Range Forecast

Moderate rain (total 14mm), heaviest on Sun afternoon. Warm (max 26°C on Thu night, min 25°C on Thu night). Mainly gales.

Days 5-7 Weather Summary

Moderate rain (total 10mm), heaviest on Sun night. Warm (max 26°C on Sun night, min 25°C on Mon night). Mainly fresh winds.

Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
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
!
1
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)
1.9
ENE
7
2.1
ENE
8
2.2
ENE
8
3
ENE
8
3
E
8
3
ENE
9
4
ENE
9
4
E
9
3
E
9
2.4
ENE
8
2
ENE
8
1.8
ENE
7
1.6
ENE
7
1.5
ENE
7
1.4
ENE
7
1.2
ENE
7
0.9
E
8
0.9
E
8
0.8
E
8
Wave Graph
Metric surfscale
Energy kJ
373
507
569
960
1326
1521
2333
2800
1359
678
426
337
261
187
158
143
104
104
78
Wind (km/h)
35
ENE
35
NE
40
ENE
45
NE
50
NE
50
ENE
65
ENE
40
E
20
ESE
15
E
30
ENE
30
ENE
25
ENE
30
ENE
30
ENE
25
ENE
20
ENE
20
NE
20
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross
cross
cross
cross
cross
cross-on
cross
cross-on
cross-on
cross-on
High Tide
3:28AM0.42m
4:12PM0.63m
4:22AM0.43m
4:30PM0.58m
5:20AM0.44m
4:40PM0.52m
6:27AM0.44m
4:40PM0.47m
8:02AM0.45m
4:17PM0.43m
10:23AM0.47m
Low Tide
10:07PM0.14m
9:20AM0.03m
10:33PM0.12m
10:00AM0.11m
10:59PM0.09m
10:41AM0.19m
11:25PM0.08m
11:25AM0.27m
11:52PM0.07m
12:27PM0.33m
00:26AM0.08m
1:15AM0.09m
clear
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:09
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:00
7:00
7:00
6:59
6:58
6:57
 mm
1
2
4
7
8
2
Temp °C
26
26
26
25
26
26
26
26
26
26
26
26
25
25
26
25
25
25
25
Feels °C
23
23
23
22
22
21
20
20
27
27
27
25
24
23
24
24
24
24
25
  • 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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