Anaehoomalu Bay_A-Bay Surf Break

Lat Long: 19.92° N 155.89° W

Anaehoomalu Bay_A-Bay Surf Forecast and Surf Report

Issued: 7 am 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Anaehoomalu Bay_A-Bay sea temperature is
27.7°C
1.0° 

Anaehoomalu Bay_A-Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Anaehoomalu Bay_A-Bay surf forecast from 29 Aug 2026:

  • Most powerful swell: Sunday 30 Aug, 2AM (local time) - 1ft (0.3m), 17s period, SW swell with 44 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 17s and forecast to arrive on Sunday (Aug 30) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Friday (Sep 04) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Sun 30th Aug)1ft (0.3m) 17s

Table - best surf conditions forecast for Anaehoomalu Bay_A-Bay over the next 16 days.


The Lowdown

Alright, folks, Rusty here again. I’ve had a look at the coming swell window for Anaehoomalu Bay (A-Bay) and I gotta tell you, it’s looking pretty flat and quiet for the next couple of weeks. This is a reef and point setup that usually needs a good dose of WNW groundswell to wake up, but right now, there’s just nothing doing. The water temp is sitting at 81.9°, which is about a degree warmer than normal for this time of year, so it’s a bit on the toasty side, but that doesn’t mean much when there’s no waves to enjoy.

The first real chance of anything rideable is a long way off, and even then, it’s not great. From Friday 28 August right through to the end of the first week of September, we’re looking at a total blank. Swell heights are barely a ripple—0.3ft to 1ft at best, with periods all over the shop, from 7 seconds up to 18 seconds, but the energy is just not there. The combined energy values are pitiful, mostly in the single digits or low teens (12, 11, 9, 35 for a brief moment), and even when the period gets long, like 18 seconds on the 29th, it’s only 0.3ft. That’s not surf, that’s a lake. The wind is mostly cross or light cross-onshore from the north, so nothing is lining up for A-Bay’s preferred WNW direction.

We finally see a tiny pulse on Monday 7 September morning with 1ft swell from the SW at 15 seconds, and combined energy of 34 (weak). Still poor surf conditions, though. Then on Thursday 10 September morning, we get 1ft from the SW again, 16 seconds, with energy up to 65 (still weak). The wind is a moderate cross-shore from the SSW, so it’s choppy. Not worth paddling out.

The most promising looking window is way out there on Saturday 12 September morning: 1ft from the WNW at 14 seconds, with combined energy of 68 (weak). It’s cross-onshore from the north, so not clean, but at least the direction is correct. Then Saturday afternoon the wind goes glassy, but the swell drops to 1ft from the WNW at 12 seconds, energy 27 (weak). It’s a tiny, glassy dribble. For a true standout? There isn’t one. The best I can say is that Saturday 12 September afternoon might be a super small, clean session for a longboard or a foiler, but don’t expect much. The crowds are listed as “sometimes” at A-Bay, but with surf this poor, you’ll have the place to yourself.

Because the swell is so small and the quality is consistently poor, and it’s a reef and point setup, this isn’t even interesting for kite surfing. Just a flat spell. Hang in there, the forecasts can change, but for now, it’s a long wait.

Short Range Forecast

Mostly dry. Warm (max 28°C on Sat morning, min 25°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 29°C on Mon afternoon, min 25°C on Wed night). Wind will be generally light.

Friday
28
Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
N
7
0.7
NNE
5
0.2
W
10
0.1
SW
18
0.9
NE
6
0.3
SW
17
0.2
W
12
0.9
NNE
7
0.3
SW
15
0.3
SW
15
0.2
W
12
0.9
NNE
8
1.1
NE
8
0.2
W
12
0.2
W
11
0.2
W
11
0.7
NE
8
0.2
W
10
0.2
W
9
0.8
NNE
7
0.1
W
9
Wave Graph
Metric surfscale
Energy kJ
8
0
8
12
0
44
11
0
36
33
11
0
0
11
10
9
0
8
7
0
2
Wind (km/h)
5
N
5
N
5
NE
10
N
5
NNE
10
NE
10
N
10
NNE
5
NE
15
NNE
5
NNE
10
NE
10
N
5
N
10
ENE
5
NW
5
WNW
10
NE
15
NNE
15
NE
10
NE
Wind State
cross-on
cross
glassy
cross-on
cross-off
cross-off
cross
cross
cross-off
cross
cross
cross-off
cross-on
cross
cross-off
cross-on
glassy
cross-off
cross
cross-off
cross-off
High Tide
4:04PM0.74m
4:30AM0.57m
4:30PM0.69m
5:09AM0.61m
4:57PM0.62m
5:51AM0.65m
5:23PM0.55m
6:40AM0.66m
5:49PM0.47m
7:40AM0.67m
6:14PM0.39m
8:57AM0.68m
6:22PM0.32m
Low Tide
9:34AM0.10m
10:34PM0.09m
10:16AM0.14m
10:56PM0.08m
11:01AM0.18m
11:19PM0.07m
11:52AM0.23m
11:45PM0.07m
12:54PM0.29m
00:15AM0.08m
2:26PM0.33m
00:53AM0.09m
5:34PM0.32m
1:47AM0.12m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:07
6:07
6:07
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:42
6:40
6:39
6:38
6:37
6:37
6:37
 mm
Temp °C
27
27
26
28
28
26
28
28
26
27
29
26
28
28
26
28
28
26
27
28
25
Feels °C
29
31
29
30
31
29
30
30
27
28
31
28
30
31
28
31
31
29
27
28
26
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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