Big Beach Surf Break

Lat Long: 20.63° N 156.45° W

Big Beach 48 hour detailed Surf Forecast

Issued: 1 am 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Big Beach sea temperature is
26.9° C
0.3° 

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


How big are the waves at Big Beach today (17 Aug):

  • Morning surf: Morning surf (17 Aug, local time) - 3ft (0.9m), 14s period with S swell.
  • Afternoon surf: Afternoon surf (17 Aug, local time) - 2.5ft (0.8m), 14s period with S swell.
  • Evening surf: Evening surf (17 Aug, local time) - 2.5ft (0.8m), 14s period with S swell.

The current surf forecast for Big Beach at 4AM is: 0.9m 15s primary swell from a South direction and 0.7m 6s secondary swell from a South direction (forecast issued at 01:00am August 17). An open ocean swell of 1.5m 8s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (HST) & DateWave HeightWave Period
Morning (17 Aug)3ft (0.9m)14s
Afternoon (17 Aug)2.5ft (0.8m)14s
Evening (17 Aug)2.5ft (0.8m)14s

Table - waves today at Big Beach. (Swell directed towards the surf break)


Short Range Forecast

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

Monday
17
Tuesday
18
Wednesday
19
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
1
2
2
2
2
0
2
1
1
1
1
1
1
0
0
1
1
1
1
1
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
S
15
0.9
S
14
0.9
S
14
0.9
S
14
0.8
S
14
0.8
S
14
0.8
S
14
0.7
S
14
0.7
S
13
0.7
S
13
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
13
0.6
S
13
0.4
SW
18
0.5
S
12
0.4
SW
16
0.5
S
12
0.5
SW
16
0.4
SW
16
0.4
SSW
16
0.4
SW
16
Wave Graph
Metric surfscale
Energy kJ
347
338
338
333
264
257
253
181
170
165
119
123
117
119
121
121
82
71
68
69
130
71
102
66
Wind (km/h)
15
ENE
15
ENE
15
ENE
15
ENE
15
ENE
20
E
20
ENE
20
ENE
20
ENE
20
ENE
15
NE
10
ENE
15
ENE
15
E
15
ENE
15
NE
15
NE
15
NE
10
NE
5
ENE
10
ENE
15
NE
15
NNE
15
NNE
Wind State
cross-off
off
off
off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
cross-off
off
off
off
off
High Tide
7:00AM0.41m
5:58PM0.42m
8:09AM0.40m
5:51PM0.38m
10:09AM0.39m
Low Tide
00:14AM0.06m
12:13PM0.17m
00:39AM0.06m
1:00PM0.23m
1:08AM0.06m
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
 mm
Temp °C
26
26
26
26
27
27
25
25
25
24
25
26
27
26
25
25
25
24
25
26
26
26
25
25
Feels °C
28
29
28
28
29
29
26
26
26
25
26
28
28
27
26
26
27
25
27
29
28
28
26
27
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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