Surf Forecasts:
Rabbit/Manana Island surf forecast from 1 Sep 2026:
- Most powerful swell: Saturday 5 Sep, 2PM (local time) - 8ft (2.4m), 13s period, ENE swell with 1,945 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 2.4m 13s and forecast to arrive on Saturday (Sep 05) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 12s period and expected on Friday (Sep 04) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2PM (Sat 5th Sep) | 8ft (2.4m) 13s |
Table - best surf conditions forecast for Rabbit/Manana Island over the next 16 days.
The Lowdown
Alright, this is Rusty. Let’s be real about Rabbit/Manana Island – the next week and a half is mostly a write-off. We’ve got a long stretch of poor conditions starting now and running deep into September. The wind is howling from the ENE almost constantly, cross-on or cross, with speeds up to 28 mph, tearing the place up. It’s messy, lumpy, and not worth your time.
First sign of life doesn’t show up until the morning of September 8th. That Tuesday morning, the wind swings around to a gentle offshore from the south at just 9 mph. The swell drops to 5 ft from the NE, period around 9 seconds – not huge, but clean. The combined wave energy is a moderate (516). That’s the standout window. It’ll be clean and rideable, decent for intermediates. Crowds are possible here sometimes, so get out early. The water temperature is sitting around 80°, pretty average for this time of year.
Tuesday afternoon on the 8th keeps it clean with a light SSW breeze, but the swell drops to 5 ft from the east and the period shortens to 6 seconds – less power, but still a window.
After that, we’re back into the wind and chop. There’s a tiny possibility on the morning of September 12th with 4 ft from the ENE, but the cross wind and period of 8 seconds keep it marginal at best. From there it fades right down to under 3 ft through mid-September, with more onshore wind.
Overall, the only real shot you’ve got is the morning of September 8th. Everything else is blown out or weak. Keep an eye on the forecasts, because when it’s on, it’s on, but this run is rough.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 25°C on Mon afternoon). Mainly strong winds. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sat night. Warm (max 26°C on Sat morning, min 25°C on Thu afternoon). Winds decreasing (strong winds from the ENE on Thu afternoon, moderate winds from the ENE by Sat night). | |||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||
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 7 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 419 | 459 | 421 | 493 | 527 | 494 | 522 | 681 | 595 | 574 | 785 | 693 | 482 | 1630 | 1930 | 1766 | 1723 | 1723 | 1451 | 1369 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross | 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 | 10:46PM0.03m | 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 | — | — | 6:15 | — | — | 6:15 | — | — |
 | 6:46 | — | — | 6:46 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — |
Temp °C | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 22 | 21 | 22 | 24 | 24 | 23 | 23 | 23 | 22 | 20 | 20 | 20 | 20 | 21 | 25 | 24 | 25 | 25 | 24 | 25 |
Swell 1 Height (m) Direction Period (s) | S 10 | SSW 19 | SSW 18 | SSW 18 | S 17 | S 16 | S 16 | E 13 | SE 13 | SSE 12 | SSE 12 | E 13 | E 14 | S 11 | S 10 | S 11 | SW 10 | SW 11 | ENE 13 | ENE 12 |
| kJ | 19 | 74 | 107 | 107 | 93 | 130 | 79 | 123 | 45 | 83 | 145 | 225 | 289 | 112 | 77 | 89 | 28 | 30 | 1451 | 1369 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | S 10 | S 10 | S 12 | S 10 | E 14 | E 14 | S 15 | S 14 | E 12 | N 9 | S 11 | S 11 | NNE 11 | NNE 10 | NNE 10 | N 8 | SSW 16 | SSW 19 | SSW 18 |
| kJ | 20 | 18 | 7 | 11 | 8 | 33 | 66 | 69 | 66 | 107 | 2 | 166 | 155 | 12 | 20 | 31 | 13 | 26 | 71 | 109 |
Swell 3 Height (m) Direction Period (s) | S 19 | SW 14 | SW 14 | E 15 | E 14 | S 10 | S 12 | S 11 | S 10 | SSW 14 | E 14 | N 9 | N 12 | S 20 | SSW 18 | SSW 18 | SSE 10 | SSE 10 | SW 11 | SSE 10 |
| kJ | 29 | 7 | 8 | 4 | 14 | 8 | 10 | 9 | 8 | 38 | 191 | 1 | 3 | 7 | 30 | 30 | 10 | 9 | 29 | 19 |
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 7 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | — | — |
| kJ | 419 | 459 | 421 | 493 | 527 | 494 | 522 | 681 | 595 | 574 | 785 | 693 | 482 | 1630 | 1930 | 1766 | 1723 | 1723 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 57 | 48 | 48 | 111 | 49 | 55 | 59 | 112 | 60 | 112 | 112 | 111 | 111 | 55 | 48 | 48 | 19 | 48 | 55 | 20 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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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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