Hapuna Surf Break

Lat Long: 20.00° N 155.83° W

Hapuna Surf Forecast and Surf Report

Issued: 7 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Hapuna sea temperature is
27.7°C
0.9° 

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


Hapuna surf forecast from 14 Sep 2026:

  • Best quality surf: Friday 18 Sep, 2AM (local time) - 1.5ft (0.5m), 17s period, SW swell with offshore winds.
  • Most powerful swell: Wednesday 16 Sep, 5PM (local time) - 1.5ft (0.5m), 18s period, SW swell with 152 kJ wave energy.
  • Next surfable swell (1★+): Friday 18 Sep, 2AM (local time) - 1.5ft (0.5m), 17s period with SW swell.

Best Forecast Surf Conditions for Hapuna this week:

The surf forecast for Hapuna over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 18) at 2AM. The primary swell is predicted to be 0.5m and 17s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Hapuna in the next 16 days are 0.5m 18s and forecast to arrive on Wednesday (Sep 16) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Thursday (Sep 17) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Fri 18th Sep)1.5ft (0.5m) 17s
Best Surf 2AM (Fri 18th Sep)1.5ft (0.5m) 17s
Most Powerful 5PM (Wed 16th Sep)1.5ft (0.5m) 18s

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


The Lowdown

Right then, let’s have a look at what’s on the cards for the next sixteen days.

Honestly, it’s a pretty flat run ahead. The first week or so at Hapuna is mostly a write-off – we’re looking at tiny dribbles of swell, mostly under 2ft, and that combined energy figure is barely creeping into triple digits for most of it. You’re going to be waiting a while. The water temp is sitting around average for this time of year, so nothing unusual there, just a normal September feel.

From Monday the 14th through to Thursday the 17th, it's all poor surf conditions with swell heights struggling to hit 2ft. You get some glassy afternoons, which is nice for a paddle, but there's just no push. The combined wave energy is weak – mostly in the 15 to 152 range – so it’s more of a lake than a surf zone.

Friday the 18th afternoon finally shows a glimmer: the swell bumps up to 2ft from the SW, period around 17 seconds, and the energy hits 153 (moderate). It's glassy too. You could probably get a few knee-high sliders on a longboard, but don’t expect much. That’s really the only highlight in the first full week.

After that, from Sunday the 20th through to the end of the month, it’s more of the same – tiny surf, mostly under 2ft, with occasional clean, glassy windows but no real power. The best afternoon might be Monday the 28th when the swell reaches 2ft from the WNW, period 15 seconds, and energy of 142. Still just "surfable but very ordinary."

So, to be straight with you: there’s no standout session in this entire 16-day outlook. If you’re desperate, Friday the 18th afternoon or Monday the 28th afternoon are your best bets, but only if you’re happy on a mid-length or log. Otherwise, we’re in a pretty flat spell.

- Rusty

Short Range Forecast

Mostly dry. Warm (max 30°C on Wed morning, min 25°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Thu afternoon. Warm (max 29°C on Fri morning, min 25°C on Fri night). Wind will be generally light.

Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
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
1
0
1
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)
0.2
SSW
14
0.2
W
10
0.2
SSW
22
0.2
SSW
21
0.4
SW
20
0.4
SW
19
0.4
SW
19
0.4
SW
18
0.5
SW
18
0.4
SW
17
0.4
SW
16
0.4
SW
16
0.5
SW
17
0.4
SW
18
0.5
SW
17
0.5
SW
16
0.4
SW
16
0.4
SW
16
0.4
SW
15
Wave Graph
Metric surfscale
Energy kJ
20
8
46
45
98
96
94
79
152
75
65
64
148
78
145
127
64
64
58
Wind (km/h)
10
NE
5
NW
5
WNW
0
N
5
WNW
5
NNW
10
NE
15
NNE
20
NE
15
NE
10
WNW
5
NNE
10
NE
5
WNW
5
NNE
5
NNE
10
N
5
N
10
NE
Wind State
off
cross-on
glassy
glassy
cross-on
glassy
off
cross-off
cross-off
cross-off
cross-on
cross-off
off
cross-on
glassy
glassy
cross-off
glassy
off
High Tide
6:08AM0.62m
5:43PM0.39m
6:50AM0.62m
6:10PM0.32m
7:39AM0.59m
6:37PM0.25m
8:41AM0.57m
7:08PM0.20m
10:00AM0.55m
9:49PM0.17m
11:20AM0.56m
00:02AM0.19m
Low Tide
11:22PM-0.00m
12:31PM0.14m
11:45PM0.02m
1:34PM0.18m
00:09AM0.04m
3:00PM0.20m
00:37AM0.07m
5:26PM0.20m
1:16AM0.10m
7:14PM0.16m
2:31AM0.12m
7:39PM0.13m
4:23AM0.13m
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
thunderstorm
thunderstorm
clear
thunderstorm
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
6:11
6:11
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:27
6:25
6:24
6:23
6:22
6:22
 mm
1
2
2
Temp °C
26
28
29
27
29
29
27
30
30
27
28
28
27
29
28
26
28
29
26
Feels °C
29
30
32
32
33
33
30
32
31
28
32
33
31
32
31
28
30
32
29
  • 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 Hapuna Surf forecast

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

Hapuna is 84 km (52 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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