Bellows Surf Break

Lat Long: 21.36° N 157.71° W

Bellows Surf Forecast and Surf Report

Issued: 7 pm 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Bellows sea temperature is
27.0° C
0.4° 

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


Bellows surf forecast from 13 Aug 2026:

  • Most powerful swell: Saturday 15 Aug, 11PM (local time) - 11ft (3.5m), 9s period, E swell with 1,941 kJ wave energy.

Best Forecast Surf Conditions for Bellows this week:

The most powerful waves expected at Bellows in the next 16 days are 3.5m 9s and forecast to arrive on Saturday (Aug 15) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 16s period and expected on Thursday (Aug 13) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Sat 15th Aug)11ft (3.5m) 9s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri night. Warm (max 26°C on Wed night, min 25°C on Wed night). Winds increasing (moderate winds from the ENE on Wed night, strong winds from the ENE by Sat morning).

Days 5-7 Weather Summary

Heavy rain (total 28mm), heaviest during Sun night. Warm (max 26°C on Sat night, min 25°C on Sat night). Winds decreasing (strong winds from the ENE on Sun morning, moderate winds from the E by Mon night).

Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
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
0
0
0
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)
1.6
ENE
6
1.6
ENE
6
1.8
ENE
6
2
E
7
2.1
ENE
7
2.3
ENE
8
2.5
ENE
8
3
E
9
3
E
9
3.5
E
9
3
E
8
2.5
ENE
8
2.3
ENE
8
1.9
ENE
7
1.6
ENE
7
1.6
ENE
6
1.5
ENE
7
1.3
ENE
7
1.2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
188
201
252
423
468
605
865
1437
1593
1834
1093
787
574
365
261
201
192
163
143
Wind (km/h)
25
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
NE
40
ENE
50
ENE
45
ENE
40
ENE
50
ENE
40
E
30
E
30
E
30
ENE
25
E
30
ENE
25
ENE
25
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
on
on
on
on
cross-on
on
High Tide
2:36AM0.40m
3:49PM0.69m
3:28AM0.42m
4:12PM0.63m
4:22AM0.43m
4:30PM0.58m
5:20AM0.44m
4:40PM0.52m
6:27AM0.44m
4:40PM0.47m
8:02AM0.45m
4:17PM0.43m
Low Tide
9:41PM0.17m
8:39AM-0.03m
10:07PM0.14m
9:20AM0.03m
10:33PM0.12m
10:00AM0.11m
10:59PM0.09m
10:41AM0.19m
11:25PM0.08m
11:25AM0.27m
11:52PM0.07m
12:27PM0.33m
00:26AM0.08m
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:09
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:02
7:01
7:00
7:00
7:00
6:59
6:58
 mm
2
2
2
4
14
5
1
Temp °C
26
26
26
26
26
26
26
26
26
26
25
25
25
26
26
25
25
26
25
Feels °C
25
23
24
24
23
23
23
22
23
22
21
21
23
25
25
23
24
24
24
  • 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 
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Quick surf report for Bellows:

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Bellows 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.


Information about the Bellows Surf forecast

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

Bellows is 6 km (4 miles) from Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.

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