Surf Forecasts:
Anaehoomalu Bay_A-Bay surf forecast from 26 Jul 2026:
- Most powerful swell: Thursday 30 Jul, 2PM (local time) - 1ft (0.3m), 18s period, SW swell with 49 kJ wave energy.
Best Forecast Surf Conditions for Anaehoomalu Bay_A-Bay this week:
The most powerful waves expected at Anaehoomalu Bay_A-Bay in the next 16 days are 0.3m 18s and forecast to arrive on Thursday (Jul 30) at 2PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 11s period and expected on Wednesday (Jul 29) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2PM (Thu 30th Jul) | 1ft (0.3m) 18s |
Table - best surf conditions forecast for Anaehoomalu Bay_A-Bay over the next 16 days.
The Lowdown
G’day, Rusty here, and I gotta be straight with you – this stretch ahead is a tough one. We’re looking at a long, flat spell with barely a ripple worth paddling for. The whole 16-day window is pretty much a write-off for any proper surf. If you’re itching to get wet, you’ll be waiting a while.
Let’s start with today, the 25th of July. Nothing doing at Anaehoomalu Bay (A-Bay) – the water’s flat, and that cross-offshore breeze is just messing with the surface. The next few days are the same story: flat, with a mix of cross and onshore winds. No swell, no energy.
We start to see a tiny pulse on the 29th of July – a 0.3 ft SW swell with a 9-second period, but the combined energy is a measly 3 (weak). The wind is light cross-onshore, so it’s still not worth a look. The 30th of July afternoon brings a glassy moment with a 1.0 ft SW swell and an 18-second period, which is a long-period groundswell, but the energy is only 49 (weak). That’s a tease, not a session.
The rest of the first week into early August is a rinse and repeat – tiny swells popping up (0.7 ft to 2 ft) with periods all over the place, but the combined energy never cracks 50. On the 2nd of August afternoon, we get glassy conditions with a 1 ft N swell, but it’s a short 6-second period, so it’s just bumpy and weak. The water temp is about 80°, which is a touch warmer than average for this time of year – but that’s the only noteworthy thing.
Into the second week, from the 4th to the 9th of August, we see a few more of those tiny, long-period W swells (0.7 ft to 1.0 ft, 12-14 second periods). The energy stays in the single digits to low 30s (weak). The best of a bad lot might be the 9th of August afternoon – glassy, 1.0 ft W swell, 13-second period, and a combined energy of 28 (weak). But honestly, that’s a “maybe take a bodyboard” kind of day, not a surf.
So, no standout. No wave worth chasing. It’s a classic flat spell for this part of the coast. The forecasts can change, and it tends not to stay this way forever, but for now, leave the boards in the car and maybe go for a swim.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Mon morning, min 25°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Wed afternoon. Warm (max 29°C on Tue afternoon, min 26°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | ||||||||||||||
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) | NNE 8 | SW 14 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | ENE 13 | ENE 13 | NE 11 | SW 9 | NNE 8 | NNE 7 | NE 8 | SW 18 | SW 16 | SW 16 | SW 15 | N 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 0 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 49 | 41 | 40 | 0 | 5 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross | cross-off | cross-on | cross | cross-off | cross | cross | cross | cross-on | on | cross-off | on | glassy | glassy | cross-on | cross | cross-off |
High Tide | 2:04PM0.75m | 1:37AM0.29m | 2:40PM0.78m | 2:19AM0.31m | 3:13PM0.80m | 2:57AM0.34m | 3:44PM0.82m | 3:34AM0.36m | 4:14PM0.82m | 4:11AM0.39m | 4:41PM0.80m | 4:50AM0.43m | 5:08PM0.77m | |||||||
Low Tide | 9:35PM0.21m | 7:02AM0.09m | 9:58PM0.18m | 7:46AM0.07m | 10:22PM0.17m | 8:25AM0.05m | 10:46PM0.15m | 9:02AM0.05m | 11:09PM0.14m | 9:39AM0.07m | 11:32PM0.13m | 10:17AM0.11m | 11:55PM0.12m | |||||||
 |  | | | | | | | | | | |  | | | | | | | | |
 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — |
 | 7:02 | — | — | 7:02 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 27 | 27 | 26 | 28 | 28 | 27 | 28 | 29 | 27 | 28 | 28 | 27 | 28 | 28 | 26 | 28 | 29 | 26 |
Feels °C | 28 | 27 | 28 | 28 | 28 | 29 | 28 | 28 | 29 | 30 | 30 | 32 | 32 | 31 | 31 | 32 | 31 | 30 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NE 10 | NNE 8 | ENE 13 | ENE 13 | NE 11 | NNE 9 | NNE 8 | NNE 7 | NE 8 | NE 7 | NE 7 | NE 6 | NE 6 | ENE 8 |
| kJ | 162 | 126 | 123 | 120 | 93 | 93 | 27 | 91 | 187 | 321 | 471 | 237 | 112 | 43 | 45 | 69 | 59 | 68 | 54 | 13 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | ENE 13 | ENE 13 | SSW 14 | SSW 14 | SSW 14 | NE 13 | ENE 9 | ENE 8 | NNE 7 | SW 18 | SW 16 | SW 16 | NE 8 | SW 15 |
| kJ | 102 | 102 | 86 | 84 | 48 | 42 | 33 | 60 | 37 | 39 | 37 | 40 | 33 | 26 | 10 | 49 | 41 | 40 | 15 | 56 |
Swell 3 Height (m) Direction Period (s) | S 11 | SW 14 | E 14 | E 15 | E 14 | E 13 | SSW 14 | SSW 14 | — | — | — | ENE 10 | SSW 13 | SSW 13 | SSW 18 | SSW 12 | SSW 12 | N 9 | SW 15 | N 8 |
| kJ | 2 | 8 | 16 | 17 | 16 | 31 | 41 | 41 | — | — | — | 19 | 33 | 31 | 31 | 29 | 15 | 6 | 60 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NNE 8 | — | NNE 8 | NNE 9 | — | SW 9 | — | — | — | — | — | — | — | NNE 5 |
| kJ | — | — | — | — | — | — | 93 | — | 125 | 222 | — | 3 | — | — | — | — | — | — | — | 34 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 21 | 21 | 91 | 21 | 21 | 94 | 33 | 21 | 34 | 30 | 21 | 37 | 91 | 21 | 94 | 87 | 21 | 96 | 91 | 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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