Surf Forecasts:
Rabbit/Manana Island surf forecast from 23 Aug 2026:
- Most powerful swell: Sunday 23 Aug, 5AM (local time) - 6ft (1.9m), 7s period, ENE swell with 362 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 7s and forecast to arrive on Sunday (Aug 23) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 17s period and expected on Thursday (Aug 27) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Sun 23rd Aug) | 6ft (1.9m) 7s |
Table - best surf conditions forecast for Rabbit/Manana Island over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s take a look at what’s on offer for Rabbit/Manana Island.
To be straight with you, the outlook is a tough one for the next week and a half. The wind is relentless, blowing from the east-northeast at 18-25 mph, keeping the ocean in a constant state of messy, lumpy, cross-onshore chop. The swell is coming from the east-northeast, around 4.3 ft to 6.9 ft, but the short period of 6-7 seconds means it’s weak, disorganised, and lacking any real punch. The combined wave energy is moderate at best, ranging from 144 to 393. It’s not a total flat spell, but it’s poor surf, and I’d say it’s not worth paddling out until the winds change.
The first real glimmer of hope arrives on the morning of the 2nd of September. The wind shifts to a light 9 mph cross-offshore from the southeast, and the condition is described as clean. The swell is still 6.2 ft from the east-northeast, but with a period of 8 seconds, it’s a bit better organised. The combined energy jumps to 504, which is solid moderate to strong. The water temperature is about average for the time of year. This is the best window we’ve seen, but it’s marginal, and the risk of thunderstorms is in the forecast. It’s a true standout for the whole period, but you’ll need to keep an eye on the sky.
The next real standout is the morning of the 6th of September. Finally, we get a proper offshore wind, 15 mph from the south. The swell is 5.6 ft from the east-northeast, period 8 seconds, and the conditions are clean. The combined energy is 302 – moderate. It’s not the biggest swell, but the offshore wind will make it a much more pleasant experience. This is another promising option, but it’s a week and a half away, so treat it as promising but not locked in.
So, to sum it up: the first 10 days are a write-off for clean surf. The 2nd of September offers a flicker of hope, and the 6th of September looks like the best bet for some decent, clean waves. If you’re itching for a paddle, aim for the 6th. Good luck out there.
Short Range ForecastMostly dry. Warm (max 26°C on Sun morning, min 25°C on Sat night). Mainly strong winds. | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Fri morning, min 25°C on Tue night). Mainly strong winds. | ||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | E 7 | ENE 7 | ENE 6 | ENE 6 | E 6 | E 7 | E 7 | E 7 | ENE 7 | E 7 | E 6 | ENE 6 | ENE 6 | ENE 6 | E 7 | ENE 6 | ENE 6 | ENE 6 | ENE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 400 | 307 | 320 | 312 | 307 | 293 | 302 | 345 | 352 | 240 | 188 | 160 | 160 | 130 | 130 | 117 | 130 | 182 | 286 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on |
High Tide | 10:27PM0.27m | 1:31PM0.61m | 11:46PM0.30m | 1:55PM0.63m | 00:27AM0.33m | 2:17PM0.65m | 1:04AM0.37m | 2:38PM0.65m | 1:42AM0.40m | 2:57PM0.65m | 2:22AM0.43m | 3:14PM0.63m | 3:05AM0.46m | ||||||
Low Tide | 9:18PM0.23m | 5:19AM0.05m | 8:24PM0.22m | 6:03AM0.02m | 8:21PM0.21m | 6:39AM-0.00m | 8:32PM0.20m | 7:12AM-0.01m | 8:49PM0.18m | 7:45AM-0.00m | 9:08PM0.15m | 8:18AM0.02m | 9:29PM0.12m | ||||||
 |  |  |  | | | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — |
 | 6:54 | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 |
Feels °C | 23 | 24 | 24 | 23 | 24 | 25 | 25 | 24 | 23 | 22 | 21 | 22 | 22 | 23 | 22 | 23 | 24 | 21 | 22 |
Swell 1 Height (m) Direction Period (s) | WNW 12 | SSE 13 | ESE 10 | NW 12 | SSE 12 | SSE 12 | SSW 13 | SSW 12 | SSW 16 | SSW 14 | SSW 14 | S 18 | S 19 | S 17 | S 17 | S 16 | S 15 | S 14 | E 13 |
| kJ | 30 | 35 | 31 | 35 | 30 | 28 | 16 | 15 | 25 | 21 | 41 | 98 | 181 | 214 | 143 | 121 | 104 | 100 | 123 |
Swell 2 Height (m) Direction Period (s) | SSE 14 | WNW 11 | WNW 10 | SSE 13 | NW 11 | SSW 13 | SSE 12 | SSW 16 | SSE 12 | S 18 | S 18 | SSW 13 | SSW 13 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | E 14 | S 14 |
| kJ | 41 | 12 | 11 | 34 | 18 | 35 | 14 | 25 | 13 | 25 | 58 | 17 | 17 | 14 | 22 | 19 | 16 | 100 | 60 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSE 13 | SSW 14 | SSW 14 | WNW 10 | SSE 7 | SSE 11 | SSW 12 | WNW 10 | WNW 10 | WNW 10 | NW 10 | SSW 12 | NW 10 | NW 9 | E 15 | NW 9 | NW 9 |
| kJ | 24 | 24 | 18 | 41 | 19 | 10 | 5 | 13 | 14 | 10 | 9 | 10 | 16 | 14 | 14 | 14 | 39 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | E 7 | ENE 7 | ENE 6 | ENE 6 | E 6 | E 7 | E 7 | E 7 | ENE 7 | E 7 | E 6 | ENE 6 | ENE 6 | ENE 6 | E 7 | ENE 6 | ENE 6 | ENE 6 | ENE 7 |
| kJ | 400 | 307 | 320 | 312 | 307 | 293 | 302 | 345 | 352 | 240 | 188 | 160 | 160 | 130 | 130 | 117 | 130 | 182 | 286 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 55 | 55 | 62 | 55 | 55 | 48 | 49 | 55 | 55 | 49 | 55 | 55 | 21 | 48 | 49 | 19 | 48 | 59 | 48 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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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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