Rabbit/Manana Island Surf Break

Lat Long: 21.33° N 157.66° W

Rabbit/Manana Island Surf Forecast and Surf Report

Issued: 1 pm 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Rabbit/Manana Island sea temperature is
26.3° C
0.2° 

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 18 Jul 2026:

  • Most powerful swell: Saturday 18 Jul, 8PM (local time) - 6ft (1.9m), 8s period, ENE swell with 395 kJ wave energy.

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

The most powerful waves expected at Rabbit/Manana Island in the next 16 days are 1.9m 8s and forecast to arrive on Saturday (Jul 18) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 16s period and expected on Monday (Jul 20) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 8PM (Sat 18th Jul)6ft (1.9m) 8s

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


The Lowdown

Alright, folks. Rusty here. Let’s get into it.

It’s looking like a tough stretch for the next two weeks. The whole forecast is plagued by a persistent cross-onshore wind, mostly from the ENE, which is going to keep things lumpy and messy across the only break on offer. There’s a long gap at the start with no surf worth mentioning, so don’t bother paddling out until later in the run.

The first surf that shows up is on Friday, July 17th, but with a 4 ft swell from the east at a short 6 seconds, and a stiff 19 mph cross-onshore breeze, it’s just poor. The combined energy is weak (174), and it’s a full-on struggle. That same pattern holds through the weekend and into the next week. Swell heights bob around from 4 ft to 7 ft, but the period stays short, below 8 seconds, and the wind is relentless. The only real standout in the whole 16-day window is a promising pulse that arrives on Sunday, July 26th, and into Monday, July 27th. The swell direction swings to the east, and the period jumps to a very long 17 seconds, and then 16 seconds. That’s proper groundswell energy. The combined energy values are huge – 1457 on the Sunday morning, and peaking at 2002 on Monday afternoon. That’s a lot of power in the water. However, the wind is still a fresh cross-onshore, so the surf will be lumpy and choppy. This is a classic case of the swell being too straight for a beach break, and with that size (5 ft to 6 ft) and long period, it’s going to be a fast, powerful, and tricky wave. Not one for beginners.

For the best bet, I’d have to point you to Rabbit/Manana Island on Monday, July 27th. The morning shows a 5 ft swell from the east at 16 seconds, with a moderate 16 mph cross-onshore wind. It’s not clean, but that’s the best wind of the period. The swell is serious (combined energy 1945), and if you’re an experienced surfer, the long period will give you some proper, deep-water lines. The water temperature is about average for the time of year at 79°F, so no wetsuit needed. The crowds are only sometimes a problem, so you might get a few waves to yourself. Just be aware that the long period swell is going to break fast and straight, so it’s a spot for the crew who know what they’re doing.

After that, the last week of the run drops off again. The swell sticks around, but the wind stays cross-onshore, and the period drops back to 11 seconds or less. By August 1st, the swell is down to 3 ft, and it’s just a choppy mess. Overall, a frustrating outlook. The Monday 27th is the only real window, and it’s a conditional one.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Fri afternoon, min 24°C on Sat night). Mainly strong winds.

Days 5-7 Weather Summary

Some drizzle, heaviest during Tue morning. Warm (max 25°C on Mon afternoon, min 24°C on Mon night). Mainly fresh winds.

Fri
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
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
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)
1.5
ENE
7
1.7
ENE
6
1.9
ENE
7
1.9
ENE
8
1.8
ENE
8
1.6
ENE
8
1.5
ENE
8
1.3
E
8
1.4
ENE
8
1.4
ENE
7
1.3
ENE
7
1.1
ENE
7
1.2
ENE
7
1.2
ENE
7
1.4
ENE
7
1.2
ENE
7
1.4
ENE
6
0.7
E
12
1.6
ENE
6
1.7
ENE
7
Wave Graph
Metric surfscale
Energy kJ
192
226
335
385
394
310
284
213
220
214
162
117
140
136
171
121
131
150
198
261
Wind (km/h)
30
ENE
30
ENE
35
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
NE
20
NE
25
NE
30
ENE
25
ENE
30
ENE
30
ENE
30
ENE
35
ENE
35
ENE
30
ENE
Wind State
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross
High Tide
5:34PM0.63m
5:36AM0.33m
5:55PM0.57m
7:07AM0.34m
6:08PM0.51m
9:13AM0.37m
6:04PM0.45m
11:19AM0.44m
4:59PM0.41m
12:21PM0.51m
12:58PM0.56m
Low Tide
00:18AM0.13m
10:57AM0.11m
00:51AM0.11m
11:40AM0.20m
1:25AM0.09m
12:37PM0.29m
2:03AM0.07m
3:19PM0.35m
2:49AM0.05m
3:43AM0.04m
4:39AM0.02m
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
part cloud
clear
clear
part cloud
clear
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
5:58
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:14
7:14
7:14
7:13
7:13
 mm
1
1
Temp °C
26
25
25
25
25
25
25
25
25
25
25
25
25
25
24
25
25
25
25
25
Feels °C
24
24
23
21
22
22
23
23
23
23
24
25
23
23
22
22
23
22
21
22
  • 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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