Hakalau Surf Break

Lat Long: 19.90° N 155.13° W

Hakalau Surf Forecast and Surf Report

Issued: 1 pm 02 Aug 2026 (local time)

Forecast update in  hr  min

Today's Hakalau sea temperature is
26.8° C
0.7° 

Hakalau surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Hakalau surf forecast from 3 Aug 2026:

  • Best quality surf: Monday 3 Aug, 5AM (local time) - 5ft (1.6m), 8s period, ENE swell with glassy winds.
  • Most powerful swell: Sunday 9 Aug, 5AM (local time) - 7ft (2.1m), 8s period, E swell with 541 kJ wave energy.
  • Next surfable swell (1★+): Monday 3 Aug, 5AM (local time) - 5ft (1.6m), 8s period with ENE swell.

Best Forecast Surf Conditions for Hakalau this week:

The surf forecast for Hakalau over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 03) at 5AM. The primary swell is predicted to be 1.6m and 8s period with a secondary swell of 0.7m and 13s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hakalau in the next 16 days are 2.1m 8s and forecast to arrive on Sunday (Aug 09) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.1m 10s period and expected on Saturday (Aug 08) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Mon 3rd Aug)5ft (1.6m) 8s
Best Surf 5AM (Mon 3rd Aug)5ft (1.6m) 8s
Most Powerful 5AM (Sun 9th Aug)7ft (2.1m) 8s

Table - best surf conditions forecast for Hakalau over the next 16 days.


The Lowdown

Alright folks, Rusty here. Let’s be straight with you—this is a lean stretch for Hakalau. The river mouth setup is a fairly consistent spot, but over the next 16 days there’s basically nothing that’s really worth paddling out for. The first real surf shows up on Sunday afternoon, August 2nd, with a 6.2 ft swell from the east-northeast, but it’s a short-period 8 second groundswell that’s just not putting any shape into the waves. The water’s sitting at 80.2°, which is about where it should be for this time of year, so no worries there. But the combined energy is only 644 (moderate) and the wave comment says it’s marginal. That’s the best of a pretty poor bunch, and it’s not saying much.

We’ve got a long gap of poor conditions from Monday, August 3rd, all the way through to the end of the outlook. The swell stays small, mostly under 5 ft, and the wind is more often than not cross-onshore, which ruins any chance of clean waves. The period is short and the combined energy drops into the 100–200 range (weak) for a lot of the days. There’s a bit of a bump in energy around August 11th (587, moderate) and again on August 16th (952, moderate), but those are still paired with cross-onshore winds, no real quality, and the wave comments are all “poor surf conditions” or “marginal.” The best wind windows are direct onshore, which won’t give you anything clean.

The rare highlight—if you’re desperate—is early morning on August 16th (Sunday) when the swell hits 5.6 ft from the northeast, with around 8 seconds period and a combined energy of 952 (moderate). That’s the biggest, most energetic swell on offer, but it’s still onshore wind and the period is too short to hold open faces. It’s a beach-and-reef setup here, so with that kind of chop, honestly, this looks more like a kite day than a surf day.

Bottom line: Hakalau is not cooperating. Nothing in the 16-day window is worth getting excited about.

Short Range Forecast

Mostly dry. Warm (max 27°C on Mon afternoon, min 25°C on Sun afternoon). Wind will be generally light.

Days 5-7 Weather Summary

Some drizzle, heaviest during Fri night. Warm (max 26°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light.

Sun
2
Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
Saturday
8
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
2
1
1
2
0
0
1
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)
1.9
ENE
8
1.7
ENE
8
1.4
ENE
8
1.3
ENE
9
1.5
ENE
11
1.4
ENE
11
1.3
ENE
10
1.3
ENE
10
1.1
NE
9
0.9
ENE
9
1
ENE
8
0.9
NE
8
0.9
NE
8
0.9
E
7
0.9
NE
7
1.1
ESE
7
1.1
ESE
7
1
ESE
8
1.8
E
7
2.1
E
8
Wave Graph
Metric surfscale
Energy kJ
492
361
284
245
505
436
338
296
186
132
140
84
82
74
78
115
125
120
358
531
Wind (km/h)
10
E
5
ENE
10
E
10
ENE
5
SSE
15
ESE
15
ESE
10
SSE
15
ESE
15
E
15
ESE
10
E
15
E
10
ESE
15
ESE
15
E
15
SE
15
ENE
15
E
20
SE
Wind State
on
on
cross-on
on
cross
cross-on
cross-on
cross
cross-on
on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
High Tide
5:11PM0.86m
6:00AM0.68m
5:34PM0.79m
7:04AM0.70m
5:57PM0.70m
8:28AM0.72m
6:18PM0.62m
10:13AM0.78m
11:39AM0.86m
9:02PM0.46m
12:39PM0.95m
11:25PM0.46m
Low Tide
11:50PM0.20m
11:30AM0.36m
00:21AM0.18m
12:27PM0.45m
1:01AM0.17m
2:04PM0.54m
1:54AM0.17m
3:07AM0.16m
7:57PM0.46m
4:30AM0.13m
8:01PM0.39m
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
rain showers
part cloud
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
5:56
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:55
6:54
6:54
6:53
6:53
6:52
 mm
1
1
10
Temp °C
26
25
26
27
26
27
27
26
26
26
26
26
26
25
25
26
25
26
26
26
Feels °C
28
28
27
28
29
28
28
29
28
27
29
28
27
27
27
27
27
28
28
28
  • Map Icons:
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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 Hakalau Surf forecast

The above surf forecast table for Hakalau provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hakalau can be found by selecting the local surf guide option on the grey menu. Our Hakalau 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 (Hakalau) 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 Hakalau 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.

Hakalau is 21 km (13 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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