Big Beach Surf Break

Lat Long: 20.63° N 156.45° W

Big Beach Surf Forecast and Surf Report

Issued: 1 am 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Big Beach sea temperature is
27.1°C
0.4° 

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 25 Aug 2026:

  • Best quality surf: Wednesday 26 Aug, 8PM (local time) - 2.5ft (0.7m), 19s period, S swell with offshore winds.
  • Most powerful swell: Thursday 27 Aug, 2PM (local time) - 3.5ft (1.0m), 17s period, S swell with 559 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 25 Aug, 8AM (local time) - 1.5ft (0.5m), 16s 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 Tuesday (Aug 25) at 8AM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.6m 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 1.0m 17s and forecast to arrive on Thursday (Aug 27) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Tuesday (Aug 25) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Tue 25th Aug)1.5ft (0.5m) 16s
Best Surf 8PM (Wed 26th Aug)2.5ft (0.7m) 19s
Most Powerful 2PM (Thu 27th Aug)3.5ft (1.0m) 17s

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


The Lowdown

Alright folks, Rusty here. Let’s have a look at what’s coming up for Big Beach over the next couple of weeks.

First up, the water temp is sitting at 81°F, which is pretty much bang on average for this time of year – nothing wild there.

Right, the overall pattern. We’ve got a bit of a slow start, but don’t let that fool you. There’s a consistent run of small, clean surf building through the middle of the week and into the first week of September, with a couple of real standout windows that are worth circling on the calendar.

The first few days are honestly pretty marginal. Tuesday 25th is flat and not worth getting wet for. But from Wednesday 26th, things start to tick up. We’ve got a 2ft SSW swell pushing through, and with a moderate offshore breeze, it’s going to be clean. The energy is moderate (454), and that 14-second period means there’s some decent shape in the water. This is a good session for a learner wanting some gentle, clean lines.

Thursday 27th and Friday 28th keep the trend going. The swell hangs around 2ft to 3ft, mostly from the S, with offshore conditions. The wave energy peaks on Thursday morning at 745, which is solid for this size. It’s still comfortably in the beginner-friendly zone, and the crowds are only *sometimes* an issue, so you’ll get your pick.

Now, the standout. The best of the whole forecast is shaping up for Tuesday 1st September. We’ve got a 3ft SSW swell, a 18-second period – that’s a proper long-period groundswell – and gentle offshore winds. The energy is strong at 580. This is a real treat for a point break or reef setup, but at Big Beach it’s a beach break, so that long period might make it a bit straight. Still, it’s the cleanest, most powerful swell of the run.

Another absolute gem is Wednesday 2nd September. Glassy conditions in the morning, with a 3ft SSW swell and a 16-second period. The energy is still strong (449), and the wind is literally dead calm. That’s a rare combo. Get out there early.

The second week stays promising but less certain. Saturday 6th September looks like a fun one with a 3ft SSW swell, offshore winds, and strong energy (559). Sunday 7th and Tuesday 8th also show consistent 3ft to 3ft SSW swells with clean conditions, though the energy drops back a bit. It’s not the same quality as that first week, but there’s still surfable waves.

Overall, don’t let the slow start fool you. Focus on the period from Wednesday 26th through to Wednesday 2nd September – that’s your best window. The 1st and 2nd are the real standouts. Go get it.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Tue morning, min 24°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Fri morning, min 25°C on Fri morning). Wind will be generally light.

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
2
2
2
2
2
2
2
2
2
1
1
0
1
1
1
2
1
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
SSW
16
0.5
SSW
16
0.5
S
18
0.7
SSW
14
0.7
SSW
17
0.8
S
18
0.8
S
18
0.8
S
16
0.8
S
16
0.7
S
14
0.7
S
14
0.6
S
13
0.6
S
13
0.5
S
13
0.5
SW
17
0.5
SW
16
0.5
SW
15
0.5
SW
15
0.5
SW
15
0.4
SSW
19
0.5
S
19
Wave Graph
Metric surfscale
Energy kJ
146
140
165
215
307
429
395
325
326
184
206
126
115
84
140
129
113
112
109
122
190
Wind (km/h)
20
ENE
20
ENE
20
NE
20
ENE
20
ENE
15
NE
15
ENE
20
NE
15
NE
15
ENE
20
ENE
20
NE
20
ENE
25
ENE
20
NE
15
ENE
20
ENE
15
ENE
20
ENE
20
ENE
10
NE
Wind State
cross-off
cross-off
off
off
off
off
cross-off
off
off
cross-off
off
off
off
cross-off
off
off
off
off
cross-off
cross-off
off
High Tide
3:14PM0.58m
2:23AM0.34m
3:36PM0.59m
2:59AM0.38m
3:58PM0.59m
3:35AM0.41m
4:18PM0.58m
4:13AM0.44m
4:37PM0.55m
4:53AM0.46m
4:55PM0.52m
5:38AM0.47m
5:10PM0.47m
Low Tide
9:28PM0.13m
8:19AM-0.01m
9:45PM0.11m
8:51AM-0.01m
10:04PM0.09m
9:24AM0.01m
10:24PM0.07m
9:57AM0.04m
10:47PM0.05m
10:31AM0.08m
11:10PM0.04m
11:08AM0.12m
11:37PM0.02m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:07
6:07
6:07
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:46
6:45
6:45
6:45
6:44
6:43
6:42
 mm
Temp °C
28
28
26
27
27
25
27
27
25
27
27
25
27
27
26
27
27
26
27
28
26
Feels °C
29
28
26
27
25
24
27
27
25
27
27
25
26
26
26
27
27
26
27
28
26
  • Map Icons:
  • Break
  • 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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