Surf Forecasts:
Anaehoomalu Bay_A-Bay surf forecast from 12 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 8PM (local time) - 2.5ft (0.7m), 16s period, W swell with glassy winds.
- Most powerful swell: Wednesday 15 Jul, 8AM (local time) - 2.5ft (0.8m), 16s period, W swell with 314 kJ wave energy.
- Next surfable swell (1★+): Sunday 12 Jul, 11PM (local time) - 1.5ft (0.4m), 16s 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 Sunday (Jul 12) at 11PM. The primary swell is predicted to be 0.4m and 16s period with a secondary swell of 0.3m and 12s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Anaehoomalu Bay_A-Bay in the next 16 days are 0.8m 16s and forecast to arrive on Wednesday (Jul 15) at 8AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Monday (Jul 13) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 12th Jul) | 1.5ft (0.4m) 16s |
| Best Surf | 8PM (Tue 14th Jul) | 2.5ft (0.7m) 16s |
| Most Powerful | 8AM (Wed 15th Jul) | 2.5ft (0.8m) 16s |
Table - best surf conditions forecast for Anaehoomalu Bay_A-Bay over the next 16 days.
Alright, Rusty here. Let's look at what A-Bay's got cookin' for the next couple weeks.
First off, forget the first few days – it's pretty dead out there. Just tiny dribbles of swell, nothing to paddle for.
The first real sign of life shows up Monday, July 13th, with a small pulse from the southwest. But the session everyone should be aiming for is Thursday, July 16th. We've got a clean 3ft swell rolling in from the west, with a period around 15 seconds – that's proper groundswell, the kind that wraps around points and reefs real nice. The combined energy is at 272, so there's some meat on it. And the real kicker? The wind goes glassy. Dead calm. Just perfect lines with no bumps. For a reef and point setup like this, it doesn't get much cleaner. It's a good size for intermediates, too.
Thursday afternoon is the standout, no question. Friday is still okay – similar west swell around 2ft to 2ft and glassy in the afternoon, but you can feel it's got less grunt. After that, it quickly fades. From around July 20th onward, we’re lookin’ at more flat days stretching all the way to the end of the outlook. There's a tiny tease on the 23rd with a 20-second, 0.3ft groundswell, but that's basically not even a wave.
Water temp on the Sunday is sitting at about 80°F, with a slight positive anomaly – so a touch warmer than average for this time of year. Nothing dramatic, but it’s nice.
So, bottom line: it's a slow period, but that Thursday the 16th afternoon glass-off at A-Bay is the golden window. Don't miss it. After that, you'll be waitin' again.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Warm (max 28°C on Sun morning, min 24°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 2mm), mostly falling on Wed afternoon. Warm (max 28°C on Thu afternoon, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
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 13 | W 13 | W 12 | SW 15 | W 12 | W 18 | W 19 | W 16 | W 17 | W 16 | W 15 | W 15 | W 15 | W 15 | W 14 | W 14 | W 14 | W 14 | W 13 | WNW 13 | WNW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 54 | 28 | 26 | 78 | 26 | 162 | 251 | 267 | 270 | 310 | 302 | 287 | 275 | 272 | 206 | 203 | 146 | 140 | 89 | 57 | 57 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross | glassy | cross-off | cross-on | cross-on | cross-on | on | cross-on | glassy | on | glassy | glassy | glassy | glassy | glassy | cross-on | on | glassy |
High Tide | 2:53PM0.93m | 2:35AM0.31m | 3:38PM0.95m | 3:29AM0.33m | 4:20PM0.95m | 4:20AM0.36m | 5:00PM0.91m | 5:12AM0.40m | 5:38PM0.84m | 6:07AM0.44m | 6:12PM0.76m | 7:04AM0.47m | 6:44PM0.67m | ||||||||
Low Tide | 10:13PM0.14m | 8:06AM-0.02m | 10:51PM0.12m | 8:57AM-0.02m | 11:28PM0.10m | 9:46AM0.01m | 00:03AM0.10m | 10:35AM0.06m | 00:36AM0.10m | 11:25AM0.14m | 1:08AM0.10m | 12:19PM0.23m | 1:39AM0.11m | ||||||||
 | |  | | |  | | |  | |  | | | | | | | | | | | |
 | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — |
 | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — |
mm | — | — | — | — | — | — | — | — | 3 | — | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 26 | 26 | 27 | 25 | 27 | 26 | 25 | 27 | 27 | 25 | 26 | 28 | 26 | 28 | 28 | 27 | 28 | 27 | 26 |
Feels °C | 31 | 30 | 27 | 27 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 28 | 29 | 30 | 30 | 31 | 31 | 32 | 31 | 29 | 31 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NNE 7 | SW 16 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | NNE 8 | W 16 | W 15 | W 15 | W 15 | NE 6 | NE 7 | W 14 | NNE 7 | W 14 | NNE 7 | NNE 7 | N 7 |
| kJ | 111 | 114 | 62 | 99 | 75 | 53 | 55 | 88 | 72 | 310 | 302 | 287 | 275 | 56 | 47 | 203 | 42 | 140 | 46 | 37 | 26 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | W 12 | SW 15 | SW 14 | W 18 | W 19 | W 16 | W 17 | NNE 7 | NNE 7 | NNE 8 | NNE 7 | W 15 | W 14 | SW 11 | W 14 | SW 9 | W 13 | ENE 7 | ENE 7 |
| kJ | 66 | 64 | 26 | 78 | 54 | 162 | 251 | 267 | 270 | 47 | 62 | 64 | 48 | 272 | 206 | 96 | 146 | 29 | 89 | 18 | 19 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 13 | ENE 8 | W 12 | W 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 16 | SW 13 | N 7 | SW 13 | NNE 5 | SW 10 | SSW 15 | SW 8 | WNW 13 | WNW 13 |
| kJ | 54 | 28 | 6 | 26 | 26 | 51 | 47 | 46 | 44 | 44 | 50 | 63 | 42 | 28 | 136 | 17 | 50 | 22 | 11 | 57 | 57 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 7 | — | — | — |
| kJ | — | — | 107 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 46 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 13 | 16 | 13 | 16 | 16 | 0 | 3 | 16 | 4 | 16 | 11 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 13 | 96 | 21 |
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.
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