Big Beach Surf Break

Lat Long: 20.63° N 156.45° W

Big Beach Surf Forecast and Surf Report

Issued: 1 am 17 Jul 2026 (local time)

Forecast update in  hr  min

Today's Big Beach sea temperature is
26.4° 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 17 Jul 2026:

  • Best quality surf: Wednesday 22 Jul, 8AM (local time) - 2ft (0.6m), 24s period, SSW swell with offshore winds.
  • Most powerful swell: Thursday 23 Jul, 8PM (local time) - 3ft (0.9m), 19s period, SSW swell with 664 kJ wave energy.
  • Next surfable swell (1★+): Friday 17 Jul, 8AM (local time) - 2ft (0.6m), 14s period with W 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 Friday (Jul 17) at 8AM. The primary swell is predicted to be 0.6m and 14s period with a secondary swell of 0.5m and 16s. 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 0.9m 19s and forecast to arrive on Thursday (Jul 23) at 8PM. 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 Friday (Jul 17) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Fri 17th Jul)2ft (0.6m) 14s
Best Surf 8AM (Wed 22nd Jul)2ft (0.6m) 24s
Most Powerful 8PM (Thu 23rd Jul)3ft (0.9m) 19s

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


The Lowdown

Alright, this is Rusty, and I’m looking at the next couple of weeks for Big Beach.

Honestly, if you’re looking for a guaranteed ripper, you’re going to have to be patient. The first few days are just small and a bit messy. We’ve got a long run of small, clean waves from Friday the 17th through the weekend, but it’s really only good for a longboard or a beginner session. The wind is mostly cross-off, which keeps the surface tidy, but the swell is tiny, mostly around 1ft to 2ft. The water is a very pleasant 80°, which is about average for this time of year, so no surprises there.

The real spark comes on Monday the 20th. The morning shows a solid increase in swell, pushing 3ft from the south with a nice 16-second period. That’s proper groundswell energy, and the combined energy jumps to 505 (moderate), which is a big step up from the weak stuff we’ve been seeing. The wind is a light cross-off, so expect clean, fun waves. The afternoon stays good with a steady offshore breeze. This is the first real standout.

The best of the whole run, and the one I’d circle on the calendar, is Thursday the 23rd of July. The afternoon session has a clean 3ft south-southwest swell with a 20-second period. That’s a long-period groundswell, and the combined energy hits 775 (moderate to strong). The wind is offshore from the east-northeast at 15 mph, which will groom those waves perfectly. This is going to be a proper, glassy, lined-up day. It’s not huge, but the quality with that wind and period will be excellent. It’s a little too big for absolute beginners, but perfect for anyone with a bit of experience.

The following week – from the 24th of July onwards – things get a bit more inconsistent. The swell hangs around, but the conditions become more marginal. There are still fun-looking mornings, like Sunday the 26th with a 4ft south-southwest swell and a light offshore wind, but the energy is dropping. The very end of the run, from the 30th of July into August 1st, is small again, with a tiny 1ft to 2ft swell and very ordinary conditions. The 1st of August morning is glassy, which is a nice way to end the outlook, but the waves are too small to get excited about.

So, to sum it up: the best bet is Thursday the 23rd of July afternoon. Monday the 20th is a solid runner-up. The rest is a waiting game or for the foamies and logs.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 28°C on Fri morning, min 24°C on Sat night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 27°C on Mon morning, min 24°C on Wed night). Wind will be generally light.

Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
0
1
0
0
1
1
1
1
2
2
2
2
1
2
2
0
3
2
3
3
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
W
14
0.6
S
16
0.7
SSW
14
0.6
SSW
14
0.6
SSW
14
0.4
SSW
12
0.4
S
19
0.5
S
18
0.5
S
17
0.9
S
16
0.9
S
16
0.9
S
15
1
S
14
0.9
S
14
0.9
S
13
0.6
SSW
24
0.6
SSW
23
0.7
SSW
22
0.8
SSW
20
0.9
SSW
20
1
SSW
18
Wave Graph
Metric surfscale
Energy kJ
148
179
218
158
160
48
116
157
153
412
387
339
395
302
273
437
426
480
523
544
623
Wind (km/h)
10
E
30
E
15
ENE
20
E
25
E
20
NE
15
E
20
ENE
10
NE
5
ENE
20
NE
15
ENE
10
E
20
ENE
15
ENE
15
E
25
E
15
NE
15
E
25
ENE
20
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
off
off
cross-off
off
off
cross-off
cross-off
off
cross-off
cross-off
off
cross-off
off
off
High Tide
6:27PM0.58m
6:30AM0.32m
6:53PM0.52m
7:40AM0.32m
7:12PM0.46m
9:14AM0.33m
7:22PM0.40m
11:25AM0.37m
7:05PM0.36m
1:01PM0.42m
1:48PM0.47m
Low Tide
11:13AM0.01m
1:01AM0.09m
11:53AM0.07m
1:35AM0.09m
12:35PM0.14m
2:09AM0.08m
1:27PM0.20m
2:47AM0.07m
3:25PM0.25m
3:34AM0.06m
4:32AM0.05m
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
5:54
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:08
7:07
7:07
7:07
7:07
7:07
 mm
Temp °C
28
28
27
27
28
25
27
27
25
27
27
25
26
26
25
27
27
25
26
27
25
Feels °C
30
27
28
27
27
24
28
26
24
28
27
25
28
27
25
28
26
24
26
26
24
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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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