Rabbit/Manana Island Surf Break

Lat Long: 21.33° N 157.66° W

Rabbit/Manana Island Surf Forecast and Surf Report

Issued: 7 am 14 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) - 10ft (3.0m), 9s period, E swell with cross-shore winds.
  • Most powerful swell: Sunday 16 Aug, 8AM (local time) - 15ft (4.5m), 10s period, E swell with 3,527 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 2PM (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 2PM. The primary swell is predicted to be 3.0m and 9s period. The wind is predicted to be cross-shore 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 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 0.8m 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)10ft (3.0m) 9s
Best Surf 2PM (Sun 16th Aug)10ft (3.0m) 9s
Most Powerful 8AM (Sun 16th Aug)15ft (4.5m) 10s

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


The Lowdown

Alright, grab a seat and let's talk about the Rabbit/Manana Island stretch. I've got to be straight with you – the next couple of weeks are looking pretty flat and messy for most of the time. The water's sitting at a warm 81°, which is about average for this time of year, so no complaints there.

The pattern is a long, frustrating run of nothing to get excited about. We've got a solid run of poor conditions kicking off Friday, August 14th, and it just doesn't let up. The wind is a problem – it's mostly cross-onshore or cross-shore from the ENE, and it's often fresh to strong. The swell is there, but it's short-period, lumpy, and blown out. The wave energy is moderate at best, starting around 500 but quickly climbing to strong levels like 1268 and even 2502 over the weekend – but that's all just messy, un-surfable power. This is a beach and reef setup, so with this much wind and chop, it's honestly looking more interesting for kite surfing than paddling.

The first real glimmer of hope doesn't come until Saturday, August 22nd. The morning shows a tiny 3 ft swell from the ENE with a period of 8 seconds, and the wind is a light cross-offshore from the SE. The wave energy is weak (107), but it's clean. That's the only window in the first week, and it's a very small one.

Then we get another long gap. The whole week from the 23rd to the 26th is back to poor, cross-onshore conditions, with the swell picking up to around 6 ft to 6 ft but still short-period and lumpy.

The real standout, though, is still a long way off. On Thursday, August 27th, the swell direction finally shifts and the period jumps – we're talking a 4 ft swell from the E with a very long 18-second period. The wave energy is strong (1383). The wind is cross-shore from the ENE, so it's a bit lumpy, but the swell quality is a massive step up. This is a deep, long-period groundswell, so it'll be the best shape we've seen in weeks. It's best for the reefs and points here, as a long period like that can make the beach breaks a bit too straight. The morning of the 28th also looks promising with clean, gentle cross-shore winds and a 4 ft, 17-second swell (energy 1174). This is a solid, promising setup for the end of the month. The 29th still has some decent swell, but the energy drops and the wind picks up a little.

So, to be honest, the only real window for a decent surf is that Saturday, August 22nd morning for a very small, clean session, and then the last week of August, from the 27th onward, when the long-period groundswell rolls in. The long-range stuff looks promising, but it's a long way out, so keep an eye on the charts.

Rusty.

Short Range Forecast

Heavy rain (total 36mm), heaviest during Sun morning. Warm (max 26°C on Fri morning, min 25°C on Fri morning). Winds decreasing (near gales from the ENE on Sat night, moderate winds from the E by Sun night).

Days 4-6 Weather Summary

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

Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
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
0
0
0
0
0
0
1
1
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)
2.1
ENE
8
2.2
ENE
8
3
ENE
8
3
ENE
8
3.5
E
9
4
E
9
4
E
9
2.5
E
9
2.1
ENE
8
1.9
ENE
7
1.6
ENE
7
1.5
ENE
7
1.2
ENE
7
1.3
ENE
6
1.2
ENE
7
1
E
8
1.3
ENE
7
1.2
ENE
7
1.3
ENE
7
1.2
ENE
7
1.2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
494
555
984
1261
1721
2424
2496
1093
533
375
284
198
135
134
151
132
153
153
162
136
153
Wind (km/h)
35
NE
40
ENE
45
NE
50
ENE
50
ENE
60
ENE
35
E
30
E
20
E
30
ENE
30
ENE
25
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
NE
20
NE
25
ENE
25
ENE
20
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross
High Tide
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
11:48AM0.51m
Low Tide
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
2:41AM0.09m
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
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
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:00
6:59
6:58
6:57
6:57
 mm
3
15
6
12
Temp °C
26
26
25
25
26
26
25
26
26
25
25
25
25
25
25
25
25
25
25
26
25
Feels °C
23
23
22
21
21
22
21
26
27
24
23
23
23
23
24
25
24
25
25
26
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 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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