Surf Forecasts:
Anaehoomalu Bay_A-Bay surf forecast from 27 Jul 2026:
- Most powerful swell: Thursday 30 Jul, 11AM (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 11AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Thursday (Jul 30) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11AM (Thu 30th Jul) | 1ft (0.3m) 18s |
Table - best surf conditions forecast for Anaehoomalu Bay_A-Bay over the next 16 days.
The Lowdown
Alright, let’s break down this 16-day outlook for A-Bay. I’m calling it like I see it, and it’s a dry spell, folks. From now, starting Monday, July 27th, there’s a big gap of no-go surf. We’re talking days of no swell, poor conditions, and winds that are doing you no favors.
The first real chance to get wet is Thursday, July 30th. There’s a tiny 1-foot groundswell from the SW, with a very long period of 18 seconds, but the wave energy is a super weak 49 – just a whisper. The wind goes glassy in the afternoon, so it’ll be as clean as a whistle, but there’s no power behind it. Water temp is about 80°F, which is normal for this time of year.
We see a few more glassy afternoons on August 1st and 2nd, but the swell is still a tiny 0.6 to 1 foot. It’s a tease.
The only thing that gets close to a “session” is Saturday, August 8th. The morning brings a 2-foot swell from the west, with a period of 13 seconds. The wave energy hits 100, which is the bare minimum for anything to happen. The wind is a light cross-onshore, so it’ll be a little bumpy, but the afternoon goes glassy. The report says it’s “surfable but very ordinary,” and that’s the truth. It’s the best of a bad bunch, but for a beginner, it might be a fun little knee-high day. After that, the window closes back up.
This is just a quiet period for the area. No standouts, no real swell. Don’t force it.
Rusty.
Short Range ForecastLight rain (total 3mm), mostly falling on Wed afternoon. Warm (max 29°C on Tue morning, min 25°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Fri morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||
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) | NNE 8 | NNE 7 | NNE 8 | ENE 13 | ENE 12 | W 4 | NNE 8 | NNE 8 | NE 6 | SW 18 | SW 18 | SW 16 | N 9 | N 9 | N 8 | N 8 | SW 14 | SW 14 | N 10 | N 9 | N 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 49 | 49 | 41 | 14 | 13 | 5 | 5 | 29 | 29 | 16 | 14 | 6 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross-on | glassy | cross-on | on | glassy | on | glassy | glassy | cross-on | cross | cross-off | cross | glassy | cross-off | cross | glassy | cross-off |
High Tide | 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 | 5:32AM0.47m | 5:33PM0.72m | 6:18AM0.50m | 5:59PM0.65m | ||||||||
Low Tide | 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 | 10:58AM0.16m | 00:18AM0.11m | 11:44AM0.22m | 00:44AM0.10m | ||||||||
 | |  | | | | |  |  |  | | | | | | | | | | |  | |
 | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — |
 | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — |
mm | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 27 | 29 | 29 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 29 | 29 | 26 | 28 | 28 | 26 | 28 | 28 | 26 |
Feels °C | 28 | 29 | 29 | 31 | 31 | 32 | 30 | 29 | 32 | 31 | 31 | 31 | 31 | 32 | 26 | 28 | 30 | 27 | 29 | 30 | 27 |
Swell 1 Height (m) Direction Period (s) | NNE 8 | NNE 10 | NNE 8 | ENE 13 | ENE 12 | NNE 9 | NNE 8 | NNE 8 | NE 6 | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | SW 15 | SW 14 | NE 7 | SW 14 | NE 8 | NE 8 | NNE 6 |
| kJ | 93 | 36 | 95 | 242 | 247 | 111 | 60 | 50 | 40 | 33 | 105 | 51 | 53 | 66 | 55 | 48 | 126 | 29 | 57 | 32 | 42 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | ENE 14 | E 13 | NNE 9 | NNE 10 | ENE 10 | ENE 9 | ENE 8 | SSW 13 | SW 18 | SW 18 | SW 16 | SW 16 | SW 15 | N 8 | N 8 | SW 14 | E 15 | N 10 | N 9 | NE 8 |
| kJ | 42 | 66 | 90 | 116 | 105 | 65 | 30 | 26 | 31 | 49 | 49 | 41 | 65 | 60 | 5 | 5 | 29 | 17 | 16 | 14 | 32 |
Swell 3 Height (m) Direction Period (s) | E 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | ENE 8 | NNE 6 | SSW 12 | N 10 | N 9 | N 9 | S 12 | E 15 | E 15 | N 11 | SSW 13 | SSW 13 | N 8 |
| kJ | 31 | 41 | 41 | 37 | 39 | 37 | 36 | 34 | 12 | 4 | 28 | 7 | 14 | 13 | 3 | 17 | 17 | 2 | 18 | 16 | 6 |
Wind waves Height (m) Direction Period (s) | — | NNE 7 | — | — | — | W 4 | — | — | — | — | — | — | — | — | NE 5 | NE 6 | — | NE 8 | NNE 6 | NNE 6 | — |
| kJ | — | 84 | — | — | — | 1 | — | — | — | — | — | — | — | — | 51 | 88 | — | 131 | 37 | 53 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 94 | 34 | 30 | 94 | 50 | 36 | 91 | 91 | 21 | 94 | 87 | 21 | 96 | 99 | 21 | 91 | 91 | 21 | 91 | 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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