Big Beach Surf Break

Lat Long: 20.63° N 156.45° W

Big Beach Surf Forecast and Surf Report

Issued: 7 pm 31 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big Beach sea temperature is
26.8° C
0.5° 

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


Big Beach surf forecast from 1 Aug 2026:

  • Best quality surf: Saturday 1 Aug, 5AM (local time) - 2ft (0.6m), 15s period, SSW swell with offshore winds.
  • Most powerful swell: Saturday 1 Aug, 2AM (local time) - 2ft (0.6m), 15s period, SW swell with 176 kJ wave energy.
  • Next surfable swell (1★+): Saturday 1 Aug, 5AM (local time) - 2ft (0.6m), 15s period with SSW swell.

Best Forecast Surf Conditions for Big Beach this week:

The surf forecast for Big Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 01) at 5AM. The primary swell is predicted to be 0.6m and 15s period with a secondary swell of 0.5m and 12s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Big Beach in the next 16 days are 0.6m 15s and forecast to arrive on Saturday (Aug 01) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Saturday (Aug 01) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sat 1st Aug)2ft (0.6m) 15s
Best Surf 5AM (Sat 1st Aug)2ft (0.6m) 15s
Most Powerful 2AM (Sat 1st Aug)2ft (0.6m) 15s

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


The Lowdown

Alright folks, Rusty here. Let's cut to the chase. We've got a slow start for the next week and a bit, but there's some proper groundswell on the way that looks like it'll be worth the wait.

The first few days are proper grim. We've got small, weak surf with very ordinary conditions. The energy meter is barely registering, mostly in the 50s and 70s, with the occasional blip into the low 100s. You'd be fighting for dribbles on a longboard. It's a waiting game. There's a run of a few days there where I wouldn't even bother paddling out, unless you just want to sit on the board and enjoy the sun. This stretch lasts from the 1st through to the 7th of August.

Now, we start to see a bit of life from the 8th. Wave heights creep up from that ankle-knocker 1ft to a still-modest 2ft, and the period starts to lengthen. The energy jumps into the 200s and 300s, which is a step in the right direction. A morning session on Sunday the 9th looks alright with a light offshore, and Monday the 10th sees the swell push up to 2-3ft. Still small, but the combo of a 15-16 second period and light winds will make for decent, clean little waves. It's a good time to get the log out.

Then from the 12th, things get properly interesting. We see a real pulse of south swell. On the morning of Thursday the 13th, we're looking at 3ft of south swell with a 16-second period. The energy meter starts to crank into the high hundreds - 819 on Thursday morning. The winds are light and cross-off, which will keep things clean. This looks like the standout of the whole period. The same story holds for Friday the 14th morning – another 3ft of south swell, with the energy still well up there at 781. It's still gonna be a fun size for everyone.

Saturday the 15th shows a shift in direction, coming in from the west, still a solid 3ft with moderate energy (666). It looks decent, but the direction is a little less favorable than the pure south pulse we had prior.

A heads-up: that long 16-second period is likely to make Big Beach a bit fat and maybe closey. It's better for the points and reefs. But, for a beach break, it'll still offer some fun ones if you're willing to pick the peaks.

The week after that – the second week of August – the consistency in the data drops off a touch. The south swell backs off a bit and we see a mix of south and west swells, all in that 3-3ft range. The winds stay mostly cross-off or offshore. It'll be rideable but not as clean or powerful as the 13th and 14th. Nothing that screams "drop everything" like those few days in the middle.

So, to wrap it up: the first week is a right-off, a total grind. But that mid-period from the 13th to the 14th looks like the best bet we've got. Get your board ready and be on it early before the cross-off breeze picks up in the afternoon.

Overall, it's a classic case of patience. The quality is coming, you just gotta sit through the flat days to get it.

This is Rusty, signing off.

Short Range Forecast

Mostly dry. Warm (max 28°C on Sat afternoon, min 24°C on Sun night). Winds decreasing (fresh winds from the ENE on Fri night, light winds from the ENE by Mon morning).

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Wed afternoon. Warm (max 27°C on Tue morning, min 25°C on Mon night). Wind will be generally light.

Saturday
1
Sunday
2
Monday
3
Tuesday
4
Wednesday
5
Thursday
6
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
1
1
1
1
0
1
1
1
1
1
1
1
0
1
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SW
15
0.6
SSW
14
0.6
SSW
14
0.6
SSW
14
0.4
SW
14
0.4
SW
13
0.4
SSW
13
0.4
SSW
12
0.5
S
12
0.5
S
12
0.4
SSW
12
0.4
SW
16
0.4
SW
15
0.4
SSW
11
0.4
S
12
0.4
SW
14
0.4
SW
14
0.4
SW
14
0.4
SSW
14
Wave Graph
Metric surfscale
Energy kJ
176
127
123
131
50
40
58
50
75
73
45
68
57
47
46
50
51
51
81
Wind (km/h)
30
ENE
25
ENE
20
ENE
20
NE
20
ENE
20
NE
15
NE
10
ENE
20
ENE
10
NE
0
ESE
15
ENE
10
ENE
10
ESE
10
ENE
20
E
10
ENE
20
E
15
NE
Wind State
off
cross-off
cross-off
off
off
off
off
cross-off
off
off
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
High Tide
5:00AM0.35m
5:46PM0.55m
5:46AM0.36m
6:04PM0.52m
6:41AM0.36m
6:19PM0.47m
7:52AM0.37m
6:28PM0.42m
9:38AM0.39m
6:20PM0.38m
11:56AM0.44m
Low Tide
11:43PM0.10m
10:40AM0.03m
00:09AM0.09m
11:12AM0.07m
00:36AM0.07m
11:48AM0.13m
1:07AM0.06m
12:31PM0.19m
1:46AM0.04m
1:46PM0.25m
2:41AM0.03m
3:56AM0.02m
clear
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
cloud
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:00
6:00
6:00
6:01
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:02
7:02
7:01
7:01
7:00
7:00
 mm
2
1
1
Temp °C
26
27
28
26
28
27
26
27
27
26
27
27
27
27
27
26
27
27
27
Feels °C
25
26
28
25
28
26
26
28
27
27
30
29
29
30
30
28
30
29
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 Big Beach Surf forecast

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

Are you planning a vacation in Maui? If you are looking for accommodation near Big Beach, camping, hotels and condos and appartments in Maui, consider staying in Kihei which is 17 km (11 miles) away. Other places in and around Maui where you can find information about places to rent, and car hire include Wailuku which is 28 km (17 miles) away, Kahului, Lanai - Lanai and Kaunakakai - Molokai.

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