
Surf Forecasts:
Anaehoomalu Bay_A-Bay surf forecast from 9 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 5AM (local time) - 1ft (0.3m), 21s period, SW swell with glassy winds.
- Most powerful swell: Tuesday 15 Sep, 5AM (local time) - 1ft (0.3m), 21s period, SW swell with 71 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 5AM (local time) - 1ft (0.3m), 21s period with SW swell.
Best Forecast Surf Conditions for Anaehoomalu Bay_A-Bay this week:
The surf forecast for Anaehoomalu Bay_A-Bay over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 15) at 5AM. The primary swell is predicted to be 0.3m and 21s period with a secondary swell of 0.4m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Anaehoomalu Bay_A-Bay in the next 16 days are 0.3m 21s and forecast to arrive on Tuesday (Sep 15) at 5AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 7s period and expected on Thursday (Sep 10) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Tue 15th Sep) | 1ft (0.3m) 21s |
| Best Surf | 5AM (Tue 15th Sep) | 1ft (0.3m) 21s |
| Most Powerful | 5AM (Tue 15th Sep) | 1ft (0.3m) 21s |
Table - best surf conditions forecast for Anaehoomalu Bay_A-Bay over the next 16 days.
The Lowdown
G’day, it’s Rusty here. Let’s be straight with you: the next couple of weeks are flat out bleak for Anaehoomalu Bay. We’re looking at a long stretch of tiny, weak, and pretty much unsurfable conditions, so if you’re keen for a wave, you’re going to need some serious patience.
We’re talking about a real dry spell from now right through the middle of next week. The water temp is sitting at 82°F, which is about average for this time of year, so at least you won’t need a thick suit while you’re staring at the flatness. The first few days are just junk – small, short-period stuff with onshore breezes messing things up. Wednesday the 9th has a weak 2ft swell (22 energy) but the wind is straight onshore, and it just gets messier from there. The 10th goes glassy, but the swell drops to a pathetic 1ft with an 18-second period, which is just too long for this setup – it’ll be breaking too straight and not offering anything rideable. That’s the story through the 11th, 12th and 13th – mostly flat, or if there’s anything at all, it’s barely a ripple.
Honestly, from the 9th right through to the 22nd, there is nothing worth paddling out for. We’ve got a solid two-week stretch where the energy never gets above 49, and most days it’s below 10. The wind is mostly light, but with no swell to push through it, that doesn’t mean a thing. You might see some glassy afternoons on the 14th, 17th and 21st, but they’re accompanying zero surf. It’s a frustrating time to be a surfer here.
Now, if you’ve got the patience of a saint, there is a faint light at the end of the tunnel. It starts to look slightly more interesting around the 23rd of September – that’s a week from next Wednesday. We see a pulse of energy, with values jumping to 113 and 106, and the swell picks up to 2ft from the west with a 15-second period. That’s a proper, long-period groundswell, and the wind is forecast to be glassy for both the morning and the afternoon. It’s not going to be big, but for a reef and point setup like this, it should at least start to offer some shape. It’s still very much on the small side, and not a standout by any stretch, but it’s the first sign of life in a long time.
Then, on Thursday the 24th, things get a bit more promising. The swell bumps up to 2ft from the west, with a 14-second period, and the energy climbs much higher, to 195 in the morning and 221 in the afternoon. Again, the morning has a touch of onshore wind, but the afternoon goes glassy. This is the one window where you might actually get a few clean, if small, waves. It’s still not a big swell, but the consistency and the clean conditions make it the best option we’ve got in this entire 16-day forecast.
So there you have it. A whole lot of nothing, with a potentially fun, small session on the 23rd and especially the 24th. Keep the board waxed and the expectations low, and you might just get one decent afternoon.
Rusty.
Short Range ForecastModerate rain (total 16mm), heaviest on Thu afternoon. Warm (max 29°C on Wed morning, min 25°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Mon morning, min 25°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||
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) | W 7 | W 6 | NE 7 | SW 16 | SW 18 | SW 10 | SW 10 | SW 9 | SW 15 | WSW 8 | SW 14 | SW 14 | NNE 9 | W 11 | W 11 | W 10 | NNE 4 | SSW 21 | WSW 9 | WSW 9 | WNW 11 |
Wave Graph | |||||||||||||||||||||
22 | 11 | 0 | 42 | 49 | 16 | 23 | 21 | 0 | 7 | 29 | 29 | 0 | 9 | 9 | 8 | 10 | 0 | 8 | 7 | 11 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | glassy | on | glassy | cross-off | on | glassy | cross-on | on | glassy | glassy | glassy | cross | cross-off | cross-on | glassy | glassy | on | cross-on | glassy |
High Tide | 2:50PM0.80m | 3:14AM0.55m | 3:23PM0.75m | 3:52AM0.61m | 3:54PM0.69m | 4:30AM0.66m | 4:23PM0.62m | 5:07AM0.69m | 4:49PM0.54m | 5:46AM0.70m | 5:13PM0.47m | 6:28AM0.68m | 5:32PM0.40m | ||||||||
Low Tide | 8:08AM0.08m | 9:27PM0.08m | 8:58AM0.09m | 9:51PM0.06m | 9:44AM0.11m | 10:13PM0.06m | 10:31AM0.15m | 10:36PM0.06m | 11:17AM0.20m | 10:58PM0.07m | 12:07PM0.24m | 11:20PM0.09m | 1:05PM0.29m | 11:43PM0.12m | |||||||
6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | |
— | 6:30 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — | |
mm | — | 2 | 3 | 1 | 5 | 3 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 28 | 28 | 27 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 28 | 28 | 27 | 28 | 29 | 27 |
Feels °C | 33 | 32 | 33 | 32 | 31 | 32 | 31 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 28 | 31 | 31 | 32 | 31 | 32 | 30 |
Swell 1 Height (m) Direction Period (s) | NNE 8 | NE 7 | NE 7 | NE 7 | NE 7 | SW 16 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 8 | NNE 9 | NNE 8 | NE 9 | NNE 8 | NE 8 | NNE 4 | NNE 8 | NNE 7 | NNE 7 |
44 | 52 | 43 | 51 | 44 | 67 | 45 | 39 | 32 | 36 | 62 | 74 | 67 | 47 | 75 | 62 | 34 | 11 | 51 | 48 | 36 | |
Swell 2 Height (m) Direction Period (s) | W 7 | W 6 | SSW 13 | SW 16 | SW 18 | NNE 8 | SW 10 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 12 | NE 5 | SSW 14 | SW 14 | SSW 22 | NNE 8 | SW 20 | SW 19 | SW 19 |
22 | 11 | 33 | 42 | 49 | 13 | 23 | 57 | 57 | 49 | 29 | 29 | 15 | 16 | 20 | 7 | 46 | 25 | 98 | 96 | 94 | |
Swell 3 Height (m) Direction Period (s) | SW 7 | SW 7 | SSW 7 | SSW 13 | SSW 13 | SW 10 | SW 16 | SW 9 | ENE 10 | WSW 8 | WSW 8 | WNW 11 | SSW 15 | W 11 | W 11 | W 10 | SSW 14 | SSW 21 | WSW 9 | WSW 9 | WNW 11 |
14 | 13 | 5 | 16 | 16 | 16 | 65 | 21 | 20 | 7 | 7 | 12 | 22 | 9 | 9 | 8 | 18 | 45 | 8 | 7 | 11 | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NNE 4 | — | — | — | — | — | — | — | — | — | — | NNE 4 | — | — | — | — |
— | — | — | — | — | 8 | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 91 | 87 | 33 | 91 | 91 | 13 | 13 | 13 | 50 | 91 | 91 | 21 | 94 | 30 | 21 | 94 | 94 | 33 | 13 | 13 | 13 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Anaehoomalu Bay_A-Bay Surf forecast
The above surf forecast table for Anaehoomalu Bay_A-Bay provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Anaehoomalu Bay_A-Bay can be found by selecting the local surf guide option on the grey menu. Our Anaehoomalu Bay_A-Bay 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 (Anaehoomalu Bay_A-Bay) 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 Anaehoomalu Bay_A-Bay 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.
Anaehoomalu Bay_A-Bay is 87 km (54 miles) from Hilo. If you plan a vacation in Big Island, look for hotels and other accommodation in Hilo. Hilo has rooms for a wide range of budgets as well as car hire and transport links.










