Surf Forecasts:
Rabbit/Manana Island surf forecast from 31 Jul 2026:
- Most powerful swell: Sunday 2 Aug, 2AM (local time) - 8ft (2.5m), 8s period, ENE swell with 908 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 8s and forecast to arrive on Sunday (Aug 02) 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 13s period and expected on Friday (Jul 31) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2AM (Sun 2nd Aug) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Rabbit/Manana Island over the next 16 days.
The Lowdown
Alright, Rusty here again, and I’m not sugar-coating it—this next 16-day stretch at Rabbit/Manana Island is a total dud. There’s not a single session in the whole run that I’d call worth paddling out for. The spot is fairly consistent and exposed to the north-northeast, which is the ideal swell direction, but that’s the only good news.
The wind is the main problem. Starting Friday, 31 July, and all the way through, we’ve got a nasty east and east-northeast wind blowing at 18 to 28 mph, keeping the surf in a constant cross-shore and cross-onshore mess. Even when the swell hits 8 ft on Saturday, 1 August, with a combined wave energy of 1107 (strong to very strong), the wind is "strong cross-onshore and messy," so it’s a no-go for paddle surfing. The swell period is short, mostly 7 to 8 seconds, so the waves are weak and shapeless.
The water temperature anomaly is listed as "-", meaning it’s about average for the time of year.
There’s a brief window around Tuesday, 4 August, where the swell period stretches to 11 seconds, which gives a bit more energy, but the wind is still cross-onshore at 12 to 16 mph, so it’s choppy and lumpy. The wave energy is moderate (593), but the conditions are still "poor surf conditions."
From Monday, 12 August onward, the swell drops to 4 ft to 5 ft, with wave energy as low as 105 (weak). The wind eases a bit, but it’s still cross-shore, so the surf is small, weak, and messy.
Bottom line: With that persistent onshore wind and short-period, messy swell, this setup is more interesting for kite surfing than paddle surfing. A blank run like this isn’t that unusual for the area, so don’t get your hopes up. Forecasts can change, but right now, I’d leave the board at home.
Rusty.
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 27°C on Thu night, min 25°C on Fri afternoon). Winds increasing (moderate winds from the E on Thu night, strong winds from the ENE by Fri night). | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Mon afternoon, min 25°C on Sun night). Mainly fresh winds. | ||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | ||||||||||||||
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 | E 7 | E 7 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 6 | ENE 11 | ENE 11 | ENE 10 | ENE 9 | ENE 9 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 277 | 416 | 439 | 847 | 902 | 807 | 908 | 740 | 688 | 560 | 394 | 339 | 178 | 593 | 505 | 433 | 322 | 218 | 216 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | 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 |
High Tide | 2:57AM0.35m | 4:27PM0.64m | 3:46AM0.36m | 4:44PM0.61m | 4:42AM0.37m | 4:58PM0.57m | 5:48AM0.38m | 5:09PM0.52m | 7:16AM0.41m | 5:14PM0.48m | 9:27AM0.45m | 4:57PM0.44m | |||||||
Low Tide | 10:31PM0.18m | 9:04AM-0.01m | 10:57PM0.16m | 9:37AM0.05m | 11:22PM0.13m | 10:12AM0.11m | 11:50PM0.10m | 10:52AM0.19m | 00:22AM0.07m | 11:44AM0.27m | 1:03AM0.04m | 1:35PM0.35m | 1:59AM0.02m | ||||||
 |  | |  | | | |  | | | | | | | | | | | | |
 | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — |
 | 7:09 | — | 7:09 | — | — | 7:08 | — | — | 7:08 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 28 | 24 | 21 | 21 | 20 | 21 | 21 | 20 | 21 | 21 | 23 | 24 | 23 | 26 | 26 | 26 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | E 16 | E 15 | E 16 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 13 | E 12 | E 13 | E 12 | ENE 11 | ENE 11 | S 13 | NNE 9 | SSE 12 | NNE 8 |
| kJ | 81 | 157 | 231 | 205 | 205 | 196 | 194 | 138 | 134 | 87 | 78 | 84 | 141 | 593 | 505 | 14 | 8 | 29 | 6 |
Swell 2 Height (m) Direction Period (s) | S 13 | N 8 | N 8 | N 8 | SSW 14 | SSW 14 | N 10 | N 9 | N 9 | N 8 | N 8 | SSW 12 | SSW 12 | SSE 14 | SSW 12 | N 9 | S 13 | NNE 8 | S 12 |
| kJ | 53 | 23 | 12 | 5 | 19 | 18 | 17 | 26 | 24 | 12 | 10 | 15 | 14 | 21 | 13 | 7 | 13 | 7 | 11 |
Swell 3 Height (m) Direction Period (s) | N 9 | S 12 | S 12 | S 12 | S 12 | S 11 | SSW 14 | SSW 14 | SW 13 | S 13 | S 13 | N 8 | S 13 | SSW 12 | N 10 | SSW 11 | NE 12 | SSW 15 | S 11 |
| kJ | 14 | 27 | 26 | 11 | 10 | 9 | 20 | 19 | 7 | 13 | 13 | 4 | 3 | 14 | 8 | 12 | 6 | 22 | 9 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 6 | — | — | ENE 10 | ENE 9 | ENE 9 | ENE 8 |
| kJ | 277 | 416 | 439 | 847 | 902 | 807 | 908 | 740 | 688 | 560 | 394 | 339 | 178 | — | — | 433 | 322 | 218 | 216 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 19 | 57 | 112 | 57 | 142 | 114 | 114 | 59 | 142 | 48 | 21 | 50 | 19 | 19 | 9 | 18 | 19 | 19 | 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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