Surf Forecasts:
Rabbit/Manana Island surf forecast from 14 Sep 2026:
- Most powerful swell: Friday 18 Sep, 2AM (local time) - 7ft (2.1m), 9s period, ENE swell with 647 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 2.1m 9s and forecast to arrive on Friday (Sep 18) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 18s period and expected on Wednesday (Sep 16) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Fri 18th Sep) | 7ft (2.1m) 9s |
Table - best surf conditions forecast for Rabbit/Manana Island over the next 16 days.
The Lowdown
Alright, Rusty here, let's look at what's coming up for this spot.
To be straight with you, the next couple of weeks are looking pretty bleak for a proper paddle. We've got a solid run of onshore and cross-onshore winds that are going to keep things choppy and messy. For the first nine days, from Monday the 14th right through to Tuesday the 22nd, it’s all poor surf conditions. The swell is there, but the wind is just wrecking it. You're looking at a mix of moderate to strong breezes from the ENE and NE, blowing cross-on, making everything lumpy and rough. Even when the swell energy picks up—like on Thursday the 17th with combined energy hitting 603 (moderate energy)—it’s still blown out. The swell height gets up to 7ft on that Thursday, which is getting too big for beginners, but the cross-onshore wind means it won't be clean for anyone.
There is a small window of hope that starts to show late in the forecast. On Saturday the 26th, we finally see the wind drop. The Saturday afternoon session at Rabbit/Manana Island shows a light breeze coming from the NNE, and for the first time, it's described as "on"shore, but very light. Swell is small, around 3ft from the ENE with a short period of 8 seconds. The combined energy is weak at 194. It's not going to be epic, but it’ll be the cleanest we've seen in days.
The standout, if you can call it that, looks to be Sunday the 27th morning. We've got a clean 4ft swell from the N, with a period of 10 seconds and a light N wind that's "on"shore. The combined energy jumps to 441 (moderate energy). It's still not perfect, but it's the best combo of size and lighter wind we've seen. The water temperature is about average for this time of year, sitting around 81°F, nothing unusual there.
Overall, it's a tough outlook. The first week and a half is a write-off for quality surfing. The very end of the period, around the 27th and 28th, offers the only real chance to get a few grovelly ones in cleaner conditions. Keep an eye on the wind, because if it swings offshore, things could change fast, but right now, it's a waiting game.
Rusty
Short Range ForecastMostly dry. Warm (max 26°C on Mon morning, min 25°C on Mon morning). Mainly fresh winds. | Days 4-6 Weather SummaryModerate rain (total 17mm), heaviest on Thu night. Warm (max 27°C on Fri morning, min 26°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
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) | NE 8 | NE 8 | ENE 5 | NNE 8 | NNE 8 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | E 7 | E 8 | ENE 7 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 82 | 149 | 58 | 46 | 52 | 69 | 93 | 119 | 176 | 412 | 603 | 647 | 461 | 461 | 453 | 464 | 437 | 404 | 377 | 355 | 375 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 3:24PM0.45m | 5:47AM0.53m | 3:20PM0.41m | 6:53AM0.51m | 2:37PM0.40m | 8:54AM0.49m | 10:52AM0.51m | 11:47AM0.54m | 12:22PM0.57m | 11:21PM0.27m | |||||||||||
Low Tide | 10:35AM0.25m | 10:11PM0.03m | 11:26AM0.30m | 10:35PM0.05m | 12:57PM0.34m | 11:02PM0.07m | 11:41PM0.10m | 1:18AM0.13m | 3:40AM0.12m | 7:51PM0.20m | 4:53AM0.10m | ||||||||||
 |  |  | | |  | | | | |  |  | | | | | | |  | | | |
 | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — | 6:18 | — | — |
 | — | 6:34 | — | — | 6:32 | — | — | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:29 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 13 | — | — | 3 | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 25 | 25 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 25 | 23 | 25 | 24 | 23 | 26 |
Swell 1 Height (m) Direction Period (s) | NE 8 | SSW 22 | NE 8 | NNE 8 | NNE 8 | NNE 8 | E 10 | E 10 | E 10 | SSW 16 | SSW 19 | SSW 18 | SSW 17 | SW 17 | SSW 15 | SSW 16 | S 18 | SSW 16 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 82 | 45 | 31 | 39 | 52 | 37 | 51 | 73 | 96 | 25 | 35 | 124 | 116 | 71 | 44 | 47 | 24 | 86 | 78 | 73 | 70 |
Swell 2 Height (m) Direction Period (s) | NNE 6 | SW 14 | E 13 | E 12 | E 12 | E 11 | SW 18 | SW 18 | SW 17 | SSW 19 | SSW 16 | SE 10 | S 10 | SSE 8 | SSW 16 | S 18 | SSW 16 | S 13 | S 8 | NW 9 | NW 8 |
| kJ | 6 | 8 | 14 | 26 | 44 | 37 | 80 | 79 | 76 | 37 | 24 | 4 | 2 | 6 | 26 | 25 | 24 | 3 | 1 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | SW 14 | E 15 | NNE 10 | SW 20 | SSW 20 | SW 19 | N 10 | NNE 8 | S 11 | SE 11 | S 10 | NW 12 | NW 10 | S 21 | S 19 | SSE 7 | SSW 14 | SW 15 | NW 9 | S 7 | N 11 |
| kJ | 8 | 4 | 9 | 60 | 37 | 95 | 7 | 14 | 2 | 4 | 2 | 6 | 4 | 9 | 29 | 5 | 20 | 8 | 3 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | ENE 5 | NE 8 | ENE 5 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | E 7 | E 8 | ENE 7 | ENE 8 |
| kJ | 24 | 149 | 58 | 46 | 44 | 69 | 93 | 119 | 176 | 412 | 603 | 647 | 461 | 461 | 453 | 464 | 437 | 404 | 377 | 355 | 375 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 19 | 19 | 19 | 19 | 20 | 20 | 48 | 111 | 48 | 48 | 49 | 19 | 49 | 43 | 19 | 59 | 54 | 48 | 49 | 55 | 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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