Surf Forecasts:
Rabbit/Manana Island surf forecast from 5 Sep 2026:
- Best quality surf: Tuesday 8 Sep, 5PM (local time) - 5.5ft (1.7m), 11s period, ENE swell with offshore winds.
- Most powerful swell: Saturday 5 Sep, 8AM (local time) - 7.5ft (2.3m), 14s period, ENE swell with 1,998 kJ wave energy.
- Next surfable swell (1★+): Tuesday 8 Sep, 5PM (local time) - 5.5ft (1.7m), 11s period with ENE swell.
Best Forecast Surf Conditions for Rabbit/Manana Island this week:
The surf forecast for Rabbit/Manana Island over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 08) at 5PM. The primary swell is predicted to be 1.7m and 11s period with a secondary swell of 0.6m and 14s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Rabbit/Manana Island in the next 16 days are 2.3m 14s and forecast to arrive on Saturday (Sep 05) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 12s period and expected on Tuesday (Sep 08) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Tue 8th Sep) | 5.5ft (1.7m) 11s |
| Best Surf | 5PM (Tue 8th Sep) | 5.5ft (1.7m) 11s |
| Most Powerful | 8AM (Sat 5th Sep) | 7.5ft (2.3m) 14s |
Table - best surf conditions forecast for Rabbit/Manana Island over the next 16 days.
The Lowdown
Alright, let's take a look at the next couple of weeks. Honestly, it’s a bit of a tough stretch ahead. The surf is going to be there, but the wind is going to be the main problem. For the first week, from now until about the 10th, we’ve got solid ENE swell pulsing in, but it’s coming with a persistent cross-onshore breeze that's going to make a mess of things. The best chance for anything decent looks to be around Monday the 7th and Tuesday the 8th, when the wind finally shifts offshore.
The standout window is Tuesday, September 8th. We’ve got a 6ft swell from the ENE, with an 11-second period, and more importantly, moderate offshore wind from the south. It’s going to be clean, with moderate wave energy (789). That’s your session right there. It’s an exposed spot, so it’ll pick up that swell well. The water is a balmy 81°, which is about average for this time of year.
Before that, Monday the 7th afternoon could be worth a look too. The swell bumps up to 7ft from the ENE with a 12-second period, and the wind goes cross-offshore from the ESE. It won't be as clean as Tuesday, but the energy is strong (1428) and it's described as clean.
After that, the wind turns back onshore and the swell drops off. From the 9th through to the 11th, the swell gets smaller and the period drops way down to 7-8 seconds, making for weak, lumpy conditions. The energy values are in the 300s – really just not worth paddling out for.
Then from the 12th to the 16th, we see another pulse of ENE swell, mostly in the 6ft to 7ft range, but the period stays short (7-8 seconds) and the cross-onshore wind is relentless. The energy picks up into the 400s and 500s, but with that wind and short period, it’s going to be a bumpy, choppy mess. The wave comments all say “poor surf conditions” – I’d be looking elsewhere.
The last few days, from the 17th to the 20th, the swell fades away. Heights drop from 6ft down to 4ft, period stays short at 8-9 seconds, and the onshore wind sticks around. Energy drops from 425 down to 170. It’s pretty much a write-off.
So, to sum it up: if you’ve got a window, make it Tuesday the 8th for the cleanest conditions. Monday the 7th afternoon is a backup. The rest of the 16 days is mostly a fight against the wind.
Rusty.
Short Range ForecastHeavy rain (total 23mm), heaviest during Sun night. Warm (max 27°C on Sun afternoon, min 25°C on Sat morning). Winds decreasing (fresh winds from the NE on Sat afternoon, light winds from the ENE by Sun night). | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Tue afternoon. Warm (max 27°C on Tue morning, min 25°C on Wed night). Winds increasing (light winds from the ESE on Wed morning, fresh winds from the ENE by Thu morning). | ||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | Friday 11 | |||||||||||||||
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 14 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | E 12 | E 13 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1705 | 1679 | 1299 | 1118 | 1072 | 1290 | 724 | 1428 | 1141 | 885 | 649 | 334 | 197 | 196 | 151 | 258 | 212 | 262 | 236 | 214 | 301 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | off | off | cross-off | cross | cross-on | cross | cross-on | cross-on | cross | cross | cross-on | cross |
High Tide | 11:56AM0.64m | 12:39PM0.68m | 11:21PM0.29m | 1:14PM0.70m | 00:23AM0.35m | 1:44PM0.70m | 1:12AM0.41m | 2:10PM0.68m | 1:57AM0.46m | 2:33PM0.65m | 2:42AM0.50m | 2:52PM0.60m | 3:26AM0.53m | ||||||||
Low Tide | 4:19AM0.02m | 8:00PM0.22m | 5:27AM-0.01m | 7:55PM0.20m | 6:20AM-0.02m | 8:07PM0.17m | 7:05AM-0.01m | 8:24PM0.14m | 7:47AM0.03m | 8:43PM0.10m | 8:28AM0.08m | 9:04PM0.07m | |||||||||
 | |  |  |  |  | | | | | | |  | | | | | | | |  | |
 | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:15 | — | — | 6:16 | — | — | 6:16 | — | — | 6:16 | — | — |
 | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — | — | 6:39 | — | — | 6:38 | — | — | 6:37 | — | — | 6:37 | — |
mm | — | — | — | — | 1 | 14 | 3 | 4 | 1 | — | 2 | 2 | 2 | — | — | — | — | — | — | — | 2 |
Temp °C | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 25 |
Feels °C | 24 | 25 | 25 | 25 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 30 | 29 | 27 | 26 | 24 | 22 | 23 | 24 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | ENE 13 | S 11 | SSW 11 | SSW 14 | E 13 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 9 | ENE 8 | E 13 | E 12 | E 12 | E 12 | E 12 | ENE 12 | ENE 12 | ENE 11 |
| kJ | 180 | 177 | 1299 | 66 | 47 | 80 | 724 | 1428 | 1141 | 885 | 649 | 334 | 197 | 119 | 112 | 104 | 104 | 151 | 152 | 145 | 130 |
Swell 2 Height (m) Direction Period (s) | NNE 10 | NNE 10 | S 12 | N 8 | SSW 19 | SSW 18 | SSW 14 | SW 14 | SW 14 | SSW 15 | E 14 | E 13 | E 13 | NW 10 | NW 9 | NW 9 | NW 9 | NW 8 | SSW 16 | SSW 15 | SSW 15 |
| kJ | 20 | 32 | 101 | 5 | 35 | 65 | 180 | 167 | 234 | 75 | 140 | 173 | 168 | 51 | 31 | 20 | 12 | 11 | 26 | 23 | 22 |
Swell 3 Height (m) Direction Period (s) | SSW 17 | NNE 10 | NNE 8 | SSW 16 | SSE 10 | SSE 10 | SSW 17 | S 8 | S 15 | WSW 11 | SSW 15 | S 8 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSE 8 | NW 9 |
| kJ | 29 | 19 | 13 | 25 | 9 | 20 | 93 | 32 | 115 | 23 | 72 | 33 | 66 | 36 | 34 | 33 | 16 | 14 | 14 | 7 | 3 |
Wind waves Height (m) Direction Period (s) | ENE 14 | ENE 13 | — | ENE 12 | ENE 12 | E 12 | ENE 7 | S 7 | S 8 | S 10 | S 9 | — | — | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 1705 | 1679 | — | 1118 | 1072 | 1290 | 261 | 112 | 63 | 186 | 97 | — | — | 196 | 151 | 258 | 212 | 262 | 236 | 214 | 301 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 48 | 48 | 19 | 48 | 48 | 9 | 55 | 43 | 54 | 54 | 0 | 0 | 17 | 48 | 48 | 48 | 48 | 20 | 48 | 48 | 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.
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