Surf Forecasts:
Rabbit/Manana Island surf forecast from 26 Aug 2026:
- Most powerful swell: Wednesday 2 Sep, 8AM (local time) - 6ft (1.9m), 8s period, ENE swell with 464 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 1.9m 8s and forecast to arrive on Wednesday (Sep 02) 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 0.6m 17s period and expected on Thursday (Aug 27) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 8AM (Wed 2nd Sep) | 6ft (1.9m) 8s |
Table - best surf conditions forecast for Rabbit/Manana Island over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s break down what’s happening for the Rabbit/Manana Island (United States) area.
First off, the next week and a half is a bust. We’ve got a dry spell from Wednesday, August 26th, right through to Monday, September 7th. The wind is pinned out of the ENE at 18 to 28 mph, making for lumpy, cross-onshore junk. The swell is running 5 ft to 6 ft, but it’s all short-period windswell (6-8 seconds), with a combined energy that’s mostly moderate (between 162 and 462). It’s messy, choppy, and honestly, this setup looks more interesting for kite surfing than paddle surfing.
The water temp is about normal for the season, nothing unusual.
Now, hang tight, because Tuesday, September 8th morning brings a change. The wind swings offshore from the SSW at 15 mph, and the ocean cleans right up. We’ve got a 6 ft swell from the ENE, still short-period at 7 seconds, but with clean lines and a moderate offshore breeze. The combined energy is moderate (307), and the wave comment says “expect good surf conditions.” It’s a punchy, raw wave, but it’ll be glassy. This is the standout of the run for the experienced paddler.
Wednesday the 9th has stronger offshore winds (25 mph from the S), making it glassy but tough to get into – definitely expert-only.
Then, on Thursday, September 10th, we get a real spike. The swell hits 8 ft from the E, with an 8-second period, and the combined energy jumps to 1289 – that’s strong. Winds are moderate offshore from the S, so it’s clean and powerful. This is the other standout, but for big-wave hunters only. The wave comment says “excellent surf conditions for experienced surfers.” It’s a long-range call, so don’t bank on it yet, but it’s a promising one.
So, the takeaway: a long, frustrating gap of onshore slop, then a couple of clean, offshore windows. The best bets are the morning of September 8th for a fun, clean wave, and the morning of September 10th for the big stuff.
Stay patient, and watch the wind.
Rusty.
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 25°C on Wed morning). Mainly fresh winds. | Days 4-6 Weather SummarySome drizzle, heaviest during Mon morning. Warm (max 26°C on Sat night, min 25°C on Sat morning). Mainly fresh winds. | ||||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||
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) | E 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | NE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 190 | 165 | 176 | 151 | 160 | 145 | 122 | 135 | 182 | 201 | 298 | 265 | 277 | 241 | 234 | 290 | 278 | 374 | 433 | 392 | 274 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 2:38PM0.65m | 1:42AM0.40m | 2:57PM0.65m | 2:22AM0.43m | 3:14PM0.63m | 3:05AM0.46m | 3:30PM0.60m | 3:52AM0.48m | 3:45PM0.56m | 4:44AM0.51m | 3:57PM0.51m | 5:44AM0.52m | 4:04PM0.47m | ||||||||
Low Tide | 8:49PM0.18m | 7:45AM-0.00m | 9:08PM0.15m | 8:18AM0.02m | 9:29PM0.12m | 8:54AM0.07m | 9:52PM0.09m | 9:33AM0.13m | 10:17PM0.05m | 10:16AM0.20m | 10:46PM0.03m | 11:06AM0.27m | 11:19PM0.02m | ||||||||
 | |  |  | |  | | | | | | | | | |  | | | | | | |
 | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — | — | 6:49 | — | — | 6:47 | — | — | 6:46 | — | — | 6:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 23 | 21 | 22 | 22 | 23 | 24 | 23 | 23 | 22 | 21 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | S 18 | S 19 | S 17 | S 17 | S 16 | S 15 | S 14 | E 14 | E 13 | E 12 | E 12 | S 12 | ENE 11 | S 11 | S 11 | S 10 | S 10 | ENE 8 | SSW 18 | NE 8 |
| kJ | 41 | 98 | 181 | 214 | 143 | 121 | 104 | 100 | 146 | 126 | 77 | 75 | 25 | 40 | 22 | 21 | 19 | 18 | 433 | 63 | 274 |
Swell 2 Height (m) Direction Period (s) | S 18 | SSW 13 | SSW 13 | SSW 12 | NNE 8 | NNE 7 | E 16 | E 15 | S 14 | S 13 | S 13 | S 12 | SSW 16 | S 12 | SSW 15 | SSW 15 | SSW 14 | S 19 | SSW 18 | SSE 10 | SSW 17 |
| kJ | 25 | 17 | 17 | 14 | 13 | 16 | 78 | 104 | 60 | 54 | 54 | 26 | 26 | 25 | 22 | 21 | 20 | 30 | 106 | 18 | 54 |
Swell 3 Height (m) Direction Period (s) | NW 9 | WNW 9 | WNW 10 | NNE 8 | SSW 12 | E 17 | NNE 6 | N 7 | NW 8 | SW 18 | SW 17 | SSW 17 | W 8 | SSW 15 | S 20 | S 21 | S 19 | S 14 | SSE 10 | E 15 | SSE 10 |
| kJ | 3 | 8 | 10 | 7 | 14 | 24 | 8 | 4 | 3 | 12 | 12 | 28 | 1 | 23 | 8 | 8 | 29 | 4 | 18 | 4 | 20 |
Wind waves Height (m) Direction Period (s) | E 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | — | ENE 8 | — |
| kJ | 190 | 165 | 176 | 151 | 160 | 145 | 122 | 135 | 182 | 201 | 298 | 265 | 277 | 241 | 234 | 290 | 278 | 374 | — | 392 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 48 | 55 | 50 | 49 | 48 | 49 | 48 | 48 | 59 | 48 | 49 | 55 | 48 | 55 | 57 | 48 | 48 | 55 | 19 | 48 | 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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