Surf Forecasts:
Rabbit/Manana Island surf forecast from 31 Aug 2026:
- Most powerful swell: Sunday 6 Sep, 5AM (local time) - 8ft (2.5m), 13s period, ENE swell with 2,293 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 2.5m 13s and forecast to arrive on Sunday (Sep 06) at 5AM. 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 10s period and expected on Saturday (Sep 05) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Sun 6th Sep) | 8ft (2.5m) 13s |
Table - best surf conditions forecast for Rabbit/Manana Island over the next 16 days.
The Lowdown
Alright folks, let’s talk about Rabbit/Manana Island. It’s a bit of a rough patch ahead, I won’t lie. We’re looking at a solid run of onshore wind that’s going to churn things up for the better part of ten days. Water temp is right around 80°, pretty normal for this time of year.
Starting Monday the 31st of August, all the way through Friday the 4th of September, the wind is howling out of the ENE at 22 to 28 mph, all cross-onshore, making the ocean a lumpy, choppy mess. The swell is running 6 ft to 8 ft, but with that wind, the wave report is constantly “poor surf conditions.” The wave energy is moderate to strong, but it doesn’t matter – it’s a kite-surfing kind of day, not a paddle-surfing one.
Saturday the 5th sees the swell hit 8 ft with a very long 13-second period in the afternoon, pushing the energy up to 2091. But that cross-onshore wind is still blowing 19 mph, and it’s still poor. Plenty of power, but a nasty surface.
Sunday the 6th is almost the same – 8 ft swell, 13-second period, huge energy (1992), but the wind is straight cross and the wave comment is only “marginal.” Monday the 7th keeps the pattern: 8 ft to 10 ft swell, long period, but the wind turns onshore from the NNE at 22 mph. Still poor.
Tuesday the 8th of September is a real eye-opener. The swell is a massive 16 ft from the east, with an 11-second period and insane energy of 5204. The wind goes offshore and clean, which is usually perfect. But the wave comment says it’s too big for this break. That’s serious size – well over 8 ft – only for experts. In the afternoon it drops to 12 ft with a light offshore, but still too big for a fun session.
Wednesday the 9th calms down to 8 ft to 8 ft, but the wind is cross-shore and the wave comment is only “marginal.” Thursday the 10th through Saturday the 12th is more of the same onshore garbage.
Finally, a bright spot on Sunday the 13th of September. The wind swings to a light cross-offshore at just 6 mph, and the wave comment is “expect good surf conditions.” The swell is a clean 6 ft from the ENE with an 8-second period, and the energy is moderate (489). That’s the one to aim for. With light winds and clean faces, Rabbit/Manana Island will have some fun, shapey waves. It’s a fairly consistent break exposed to the NNE, and the swell is coming from close to that direction. Just expect some company – crowds are possible.
Monday the 14th and Tuesday the 15th are okay but nothing to get excited about – the swell drops to 5 ft to 5 ft, with light cross-onshore wind. Surfable, but not the main event.
So, keep your eyes on Sunday the 13th of September. That’s your best chance for a clean session. The rest of the 16 days is mostly waiting for the wind to play nice.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 25°C on Mon morning). Mainly strong winds. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Sat night. Warm (max 27°C on Sat afternoon, min 25°C on Thu morning). Mainly strong winds. | ||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | |||||||||||||||
AM | PM | 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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 |
Wave Graph | |||||||||||||||||||||
408 | 419 | 400 | 382 | 443 | 421 | 459 | 383 | 558 | 627 | 604 | 865 | 829 | 690 | 543 | 749 | 2059 | 2258 | 1992 | 1780 | 2039 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross-on |
High Tide | 3:57PM0.51m | 5:44AM0.52m | 4:04PM0.47m | 7:03AM0.52m | 3:54PM0.43m | 9:02AM0.54m | 10:54AM0.59m | 11:56AM0.64m | 12:39PM0.68m | 11:21PM0.29m | |||||||||||
Low Tide | 10:16AM0.20m | 10:46PM0.03m | 11:06AM0.27m | 11:19PM0.02m | 12:22PM0.33m | 00:03AM0.02m | 1:10AM0.03m | 2:48AM0.04m | 4:19AM0.02m | 8:00PM0.22m | |||||||||||
6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:15 | — | — | 6:15 | — | — | |
— | 6:46 | — | — | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — |
Temp °C | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 25 | 25 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 |
Feels °C | 21 | 23 | 21 | 22 | 24 | 24 | 24 | 23 | 23 | 21 | 22 | 20 | 20 | 21 | 23 | 24 | 26 | 25 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | S 11 | S 10 | S 10 | SSW 18 | SSW 18 | SSW 17 | S 16 | S 16 | E 13 | E 13 | E 12 | E 12 | E 13 | E 13 | E 13 | S 10 | S 10 | SSW 10 | ENE 13 | SW 10 | ENE 13 |
21 | 19 | 18 | 107 | 107 | 99 | 130 | 79 | 123 | 119 | 107 | 110 | 167 | 225 | 413 | 98 | 70 | 32 | 1992 | 25 | 2039 | |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 14 | S 19 | S 9 | S 12 | S 10 | E 14 | E 14 | S 15 | S 14 | S 14 | SSE 12 | SSE 11 | S 11 | S 10 | NNE 10 | NNE 10 | SSE 12 | SSW 9 | SSW 19 | SSW 18 |
21 | 21 | 30 | 7 | 11 | 8 | 33 | 66 | 69 | 65 | 60 | 83 | 98 | 89 | 80 | 35 | 32 | 27 | 17 | 71 | 110 | |
Swell 3 Height (m) Direction Period (s) | S 21 | S 19 | SSW 14 | SW 14 | E 15 | E 14 | S 10 | S 10 | S 11 | S 10 | SSE 16 | S 13 | S 13 | — | S 13 | SW 18 | SSE 10 | SSW 16 | SSE 12 | SSE 10 | SSE 10 |
8 | 29 | 18 | 8 | 4 | 14 | 8 | 8 | 9 | 8 | 24 | 32 | 14 | — | 53 | 12 | 10 | 26 | 27 | 20 | 20 | |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 13 | ENE 13 | — | ENE 13 | — |
408 | 419 | 400 | 382 | 443 | 421 | 459 | 383 | 558 | 627 | 604 | 865 | 829 | 690 | 543 | 749 | 2059 | 2258 | — | 1780 | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 55 | 55 | 48 | 48 | 111 | 48 | 48 | 59 | 55 | 112 | 114 | 114 | 111 | 62 | 55 | 49 | 49 | 48 | 49 | 54 | 19 |
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.











