Bellows Surf Break

Lat Long: 21.36° N 157.71° W

Bellows Surf Forecast and Surf Report

Issued: 1 pm 10 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 11 Aug 2026:

  • Best quality surf: Sunday 16 Aug, 5AM (local time) - 16ft (5.0m), 13s period, ENE swell with cross-offshore winds.
  • Most powerful swell: Sunday 16 Aug, 8AM (local time) - 21ft (6.5m), 14s period, ENE swell with 15,593 kJ wave energy.
  • Next surfable swell (1★+): Sunday 16 Aug, 5AM (local time) - 16ft (5.0m), 13s period with ENE swell.

Best Forecast Surf Conditions for Bellows this week:

The surf forecast for Bellows over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 16) at 5AM. The primary swell is predicted to be 5.0m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bellows in the next 16 days are 6.5m 14s and forecast to arrive on Sunday (Aug 16) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 8s period and expected on Sunday (Aug 16) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Sun 16th Aug)16ft (5.0m) 13s
Best Surf 5AM (Sun 16th Aug)16ft (5.0m) 13s
Most Powerful 8AM (Sun 16th Aug)21ft (6.5m) 14s

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


Short Range Forecast

Mostly dry. Warm (max 26°C on Mon afternoon, min 25°C on Tue night). Mainly fresh winds.

Days 5-7 Weather Summary

Heavy rain (total 33mm), heaviest during Sat night. Warm (max 26°C on Thu afternoon, min 25°C on Thu night). Mainly near gales.

Mon
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
Saturday
15
Sunday
16
PM
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
ENE
8
1.3
E
7
1.3
E
7
1.3
E
7
1.2
ENE
7
1.4
ENE
6
1.4
ENE
6
1.6
E
6
1.6
ENE
6
1.7
ENE
6
2
ENE
7
2
ENE
8
2
ENE
8
2.4
ENE
8
3
ENE
12
3.5
E
13
4
ENE
14
6.5
ENE
13
7
E
11
2.5
E
9
Wave Graph
Metric surfscale
Energy kJ
218
176
176
181
156
155
149
213
200
233
360
438
486
781
2602
4158
6632
15266
12214
1199
Wind (km/h)
25
ENE
20
ENE
25
E
25
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
NE
35
ENE
35
ENE
35
NE
35
ENE
35
NE
40
NE
40
NNE
60
NNW
55
SSE
30
SSE
25
SSE
Wind State
cross-on
cross-on
on
cross-on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-on
cross
cross-on
High Tide
2:17PM0.74m
00:48AM0.34m
2:50PM0.74m
1:43AM0.37m
3:21PM0.72m
2:36AM0.40m
3:49PM0.69m
3:28AM0.42m
4:12PM0.63m
4:22AM0.43m
4:30PM0.58m
5:20AM0.44m
4:40PM0.52m
Low Tide
8:55PM0.22m
7:12AM-0.10m
9:16PM0.20m
7:57AM-0.08m
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
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
thunderstorm
thunderstorm
heavy rain
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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>
7:04
7:02
7:02
7:01
7:00
7:00
7:00
 mm
1
1
1
16
14
5
2
Temp °C
26
26
26
26
25
25
25
25
26
26
25
25
26
25
26
26
26
26
27
26
Feels °C
25
26
25
25
23
25
23
23
24
24
23
22
23
22
24
24
20
22
26
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 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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