Bellows surf break

Bellows surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 am Sunday 14 Dec 2025 HST
Forecast update in hr  min  s Forecast update imminent
Bellows surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Bellows sea temperature is
25.7° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Bellows this week:

The surf forecast for Bellows over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 14) at 8AM. The primary swell is predicted to be 0.5m and 12s period with a secondary swell of 0.5m and 10s. Another secondary swell of 0.5m and 10s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Bellows in the next 12 days are 1.9m 15s and forecast to arrive on Monday (Dec 15) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Wednesday (Dec 17) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 14th Dec)1.5ft (0.5m) 12s
Best Surf 2AM (Mon 15th Dec)4.5ft (1.3m) 13s
Most Powerful11AM (Mon 15th Dec)6ft (1.9m) 15s

Table - best surf conditions forecast for Bellows over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 5mm), mostly falling on Sun night. Warm (max 26°C on Tue afternoon, min 24°C on Sun morning). Wind will be generally light.

Days 3-6 Weather Summary Moderate rain (total 12mm), heaviest on Wed afternoon. Warm (max 26°C on Thu afternoon, min 23°C on Wed night). Wind will be generally light.

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
3
4
2
2
4
1
0
2
0
1
2
2
2
2
2
2
3
2
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
NW
0.9
NW
1.3
NW
1.9
N
1.9
N
1.7
N
1.5
N
1.4
N
1.3
N
1.1
N
1
N
0.9
N
1.2
NNW
1.2
NNW
1.4
NNW
1.5
NNW
1.3
NNW
1.7
NNW
1.7
N
1.6
N
1.5
N
Period(s) (?)111413151414131213131312141312111112121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)153331553155514271048734563577413331233486465557531430861870786690
Wind
(km/h)
5
SW
10
SSW
10
SSW
20
SSE
20
S
15
SSW
15
S
25
S
20
SSW
30
SSW
25
SSW
20
SSW
15
SSW
15
SSW
10
S
10
SSE
10
S
5
SW
5
ENE
15
NE
20
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscross-
off
cross-
on
cross-
on
on
High Tide
/ height (m)
9:40AM
0.38
1:22AM
0.54
10:07AM
0.35
1:49AM
0.59
10:42AM
0.33
2:16AM
0.62
11:22AM
0.31
2:45AM
0.64
12:02PM
0.30
3:16AM
0.65
12:39PM
0.29
3:50AM
0.65
1:14PM
0.28
4:25AM
0.65
Low Tide
/ height (m)
5:14PM
0.01
7:23AM
0.29
5:39PM
-0.03
8:16AM
0.27
6:06PM
-0.05
8:52AM
0.25
6:36PM
-0.07
9:24AM
0.24
7:08PM
-0.08
9:58AM
0.23
7:42PM
-0.09
10:35AM
0.22
8:16PM
-0.09
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunrise6:58--7:00--7:01--7:01--7:01--7:01--7:03--
Sunset-5:50--5:51--5:51--5:52--5:52--5:52--5:52-
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
part cloud
part cloud
clear
Rain (mm)
122-------241-21-2---
Temp. °C252524252525252625252524252624252525242524
Feels °C (?)282825262525262524242324252626272629282725
  • 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 12 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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