Hakalau Surf Break

Lat Long: 19.90° N 155.13° W

Hakalau Surf Forecast and Surf Report

Issued: 7 am 19 Jul 2026 (local time)

Forecast update in  hr  min

Today's Hakalau sea temperature is
26.6° C
0.6° 

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


Hakalau surf forecast from 19 Jul 2026:

  • Best quality surf: Saturday 25 Jul, 8PM (local time) - 4.5ft (1.3m), 16s period, E swell with glassy winds.
  • Most powerful swell: Sunday 26 Jul, 8AM (local time) - 5.5ft (1.7m), 16s period, E swell with 1,433 kJ wave energy.
  • Next surfable swell (1★+): Sunday 19 Jul, 8PM (local time) - 4.5ft (1.3m), 8s period with E 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 Sunday (Jul 19) at 8PM. The primary swell is predicted to be 1.3m and 8s period with a secondary swell of 0.6m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hakalau in the next 16 days are 1.7m 16s and forecast to arrive on Sunday (Jul 26) at 8AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 15s period and expected on Monday (Jul 20) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8PM (Sun 19th Jul)4.5ft (1.3m) 8s
Best Surf 8PM (Sat 25th Jul)4.5ft (1.3m) 16s
Most Powerful 8AM (Sun 26th Jul)5.5ft (1.7m) 16s

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


The Lowdown

Alright, Rusty here. Let’s have a look at what’s cooking for Hakalau over the next couple of weeks.

Honestly, the outlook is a bit of a tough one. We’re looking at a long stretch of poor conditions right out of the gate. From Sunday the 19th right through to Wednesday the 23rd, it’s all cross-onshore wind and choppy, messy surf. The swell is small and weak, with energy levels sitting in the low to mid hundreds, and the period is short, around 7 to 8 seconds – just windswell junk. It’s not really worth paddling out for.

The first hint of something better shows up on Wednesday the 22nd in the afternoon, where the wind goes light onshore and the swell period jumps to 12 seconds, giving us a bit more shape. The energy bumps up to 594 (moderate), but it’s still only marginal surf. The water temp is about average for July at 80°, so no surprises there.

Thursday the 23rd morning is similar – marginal, with a 5ft east swell at 11 seconds and energy at 652. Still cross-onshore, though. Not a standout.

We finally get a bit of a pulse on Saturday the 25th. The wind goes light onshore, and the swell jumps to a very long period of 16 seconds – that’s proper groundswell energy. The morning is small, only 3ft, but the afternoon sees a cleaner 4ft east swell. The energy is up to 919 (moderate-strong). This is the first time the setup looks like it might have some shape, but it’s still a bit marginal.

The real standout in this window is Sunday the 26th. The swell is 6ft from the east, with a very long 16-second period, and the combined energy is a solid 1772 (strong) in the morning and 1726 in the afternoon. Winds are light onshore or cross-onshore, not ideal, but with that much groundswell, Hakalau (a river mouth) could have some nice lines. It’s a fairly consistent spot, but it can get crowded sometimes. The swell is right in the sweet spot for intermediate surfers – not too big, not too small. The water is still normal for the time of year.

Monday the 27th is also worth a mention. The swell holds at 7ft from the east, period 14 seconds, and energy is over 1900 (very strong). That’s a solid size – a bit hefty for beginners, but good for experienced surfers. Winds are light and variable, mostly cross-onshore, but it’s clean enough. Again, crowds are possible.

After Tuesday the 28th, the surf quickly drops off. The energy falls back to the hundreds, the period shortens, and we’re back to poor conditions and cross-onshore winds through the end of the month and into early August. Not much to get excited about.

So, if you’re planning a session, the best bet is Sunday the 26th and Monday the 27th. That’s your window.

Rusty

Short Range Forecast

Light rain (total 9mm), mostly falling on Tue night. Warm (max 27°C on Mon morning, min 24°C on Sun morning). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Wed morning. Warm (max 26°C on Thu afternoon, min 24°C on Wed morning). Wind will be generally light.

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
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
1
0
0
0
0
0
1
0
1
2
1
0
0
0
0
1
1
1
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
E
8
1.3
E
8
1.3
E
8
1.2
E
7
1
E
7
1.3
ENE
7
1.5
E
7
1.4
ENE
7
0.7
E
12
1.2
E
12
1.4
E
12
1.4
E
11
1.4
E
11
1.4
ENE
7
1.5
ENE
7
1.7
ENE
7
1.6
ENE
7
1.7
ENE
8
0.8
E
16
1.1
E
16
1.5
E
16
Wave Graph
Metric surfscale
Energy kJ
258
212
191
156
109
171
214
197
132
396
563
482
457
186
198
270
261
302
321
607
1115
Wind (km/h)
15
ENE
15
E
5
SE
15
ESE
10
E
15
SE
20
ESE
15
E
10
ESE
15
E
15
E
5
SE
15
ESE
15
E
10
E
15
E
15
ENE
10
SE
15
E
10
ENE
10
SE
Wind State
on
on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
on
cross
cross-on
on
cross
High Tide
6:23PM0.77m
8:11AM0.65m
6:42PM0.68m
9:44AM0.68m
6:51PM0.60m
11:15AM0.74m
12:18PM0.79m
1:02PM0.85m
11:21PM0.45m
1:39PM0.90m
00:29AM0.47m
Low Tide
12:12PM0.39m
1:22AM0.22m
1:16PM0.49m
2:01AM0.22m
3:17PM0.56m
2:48AM0.23m
3:47AM0.22m
4:51AM0.21m
8:36PM0.42m
5:48AM0.17m
8:48PM0.39m
part cloud
clear
rain showers
clear
part cloud
rain showers
part cloud
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:52
5:52
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:00
7:00
7:00
7:00
7:00
7:00
 mm
1
3
5
1
1
2
1
Temp °C
25
25
25
27
26
25
26
26
25
25
25
25
25
26
25
25
25
25
25
25
25
Feels °C
26
26
28
28
27
26
26
27
27
26
26
26
26
26
26
25
25
26
25
26
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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