Surf Forecasts:
Anaehoomalu Bay_A-Bay surf forecast from 14 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 11PM (local time) - 2.5ft (0.7m), 17s 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★+): Monday 13 Jul, 8PM (local time) - 1.5ft (0.4m), 19s period with WNW 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 Monday (Jul 13) at 8PM. The primary swell is predicted to be 0.4m and 19s period. 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 0.8m 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 6s period and expected on Saturday (Jul 18) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Mon 13th Jul) | 1.5ft (0.4m) 19s |
| Best Surf | 11PM (Tue 14th Jul) | 2.5ft (0.7m) 17s |
| 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.
The Lowdown
Alright, Rusty here again, giving you the same rundown in feet and miles per hour.
We’re talking about Anaehoomalu Bay_A-Bay, a reef and point break that’s usually consistent when it gets a push. Water temp is about 80°, which is right around average for this time of year.
The first few days are dead. Monday, July 13th, we’ve got a 1ft swell from the west with a 12-second period, but it’s poor. The wind is glassy though, so if there were waves, it’d be clean. Energy is a weak 26.
Tuesday, July 14th, sees a little bump. Morning has 2ft west swell with a 19-second period—that’s a very long period groundswell. Energy hits 251 (moderate), but the wind is cross-onshore, so it’s messy. The afternoon holds 2ft at 16 seconds, but it’s marginal.
Wednesday, July 15th, is similar. Mornings are 3ft west at 16 seconds, with a light offshore wind out of the WNW. That’s clean, but the wave comment says it’s still marginal. Afternoon gets a cross-onshore wind.
The best we’ve got is Thursday, July 16th. Morning has 3ft west swell at 15 seconds with offshore wind from the west, and energy is 301 (moderate). Afternoon stays at 3ft with the same period and offshore wind from the NW. Both windows are the cleanest of the whole run. The long period will give the waves shape at A-Bay, but it might be a bit straight otherwise.
After that, it’s downhill. Friday, July 17th, has 2ft dropping to 2ft, but the wind is onshore or glassy with weak energy. From Saturday, July 18th, through to July 25th, it’s flat for a long stretch. Swells stay under 2ft, and the energy is weak (below 89). There’s nothing to ride.
We get a tiny 0.6ft wave on July 26th, but it’s not worth talking about.
So, the only real window is Thursday, July 16th. The 3ft west swell with offshore winds makes it the cleanest and most energetic day in the 16-day outlook. The combined energy (301) is moderate, and for a reef and point, it’ll be the best of a quiet bunch. Crowds can show up sometimes, but if you’re keen, that’s the day.
Rusty.
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 27°C on Mon afternoon, min 24°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Thu afternoon, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Mon 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | 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 | W 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 26 | 162 | 251 | 267 | 270 | 310 | 302 | 287 | 275 | 272 | 206 | 203 | 146 | 138 | 89 | 87 | 57 | 50 | 29 | 29 | 27 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-on | cross | cross-on | on | cross-on | glassy | on | on | glassy | cross-on | glassy | cross-off | cross-on | glassy | cross-off | cross-on | glassy | cross-off | cross-on |
High Tide | 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 | 8:08AM0.51m | 7:13PM0.57m | 9:17AM0.55m | |||||||
Low Tide | 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 | 1:24PM0.31m | 2:11AM0.12m | ||||||||
 |  |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 |
 | 7:06 | — | — | 7:06 | — | — | 7:06 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | 7:05 |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 28 | 26 | 27 | 27 | 26 | 28 | 28 | 26 | 27 | 28 | 25 | 27 |
Feels °C | 29 | 29 | 29 | 28 | 28 | 29 | 30 | 28 | 28 | 30 | 30 | 30 | 30 | 29 | 30 | 29 | 29 | 28 | 30 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | W 16 | NNE 7 | W 15 | W 15 | NNE 7 | W 14 | NNE 7 | NE 6 | NNE 7 | NNE 7 | NE 6 | NE 6 | NNE 7 | WNW 12 | NE 6 | NE 7 |
| kJ | 75 | 41 | 57 | 78 | 64 | 310 | 83 | 287 | 275 | 81 | 206 | 57 | 42 | 64 | 59 | 94 | 52 | 51 | 29 | 38 | 49 |
Swell 2 Height (m) Direction Period (s) | SW 14 | W 18 | W 19 | W 16 | W 17 | NNE 7 | W 15 | NNE 8 | NNE 7 | W 15 | NNE 7 | W 14 | W 14 | W 14 | W 13 | W 13 | WNW 13 | WNW 12 | ENE 8 | WNW 12 | WNW 12 |
| kJ | 54 | 162 | 251 | 267 | 270 | 47 | 302 | 64 | 70 | 272 | 42 | 203 | 146 | 138 | 89 | 87 | 57 | 50 | 6 | 29 | 27 |
Swell 3 Height (m) Direction Period (s) | W 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 16 | SW 13 | SW 17 | SW 14 | SSW 16 | NNE 7 | SSW 15 | SSW 11 | SSW 12 | NNE 8 | ENE 8 | SW 8 | NNE 8 | SSW 12 |
| kJ | 26 | 51 | 47 | 46 | 44 | 43 | 49 | 63 | 26 | 75 | 52 | 25 | 18 | 22 | 11 | 15 | 20 | 11 | 2 | 12 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNE 7 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 68 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 13 | 0 | 11 | 5 | 8 | 16 | 13 | 0 | 13 | 13 | 0 | 11 | 0 | 0 | 13 | 0 | 33 | 96 | 96 | 33 | 91 |
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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