In Betweens Surf Break

Lat Long: 21.28° N 157.84° W

In Betweens Surf Forecast and Surf Report

Issued: 1 pm 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's In Betweens sea temperature is
27.2°C
0.2° 

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


In Betweens surf forecast from 6 Sep 2026:

  • Best quality surf: Wednesday 9 Sep, 2PM (local time) - 3ft (0.9m), 14s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 8 Sep, 2AM (local time) - 11ft (3.5m), 14s period, SW swell with 3,809 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 9 Sep, 2PM (local time) - 3ft (0.9m), 14s period with SSW swell.

Best Forecast Surf Conditions for In Betweens this week:

The surf forecast for In Betweens over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 09) at 2PM. The primary swell is predicted to be 0.9m and 14s period with a secondary swell of 1.1m and 8s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at In Betweens in the next 16 days are 3.5m 14s and forecast to arrive on Tuesday (Sep 08) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 11s period and expected on Tuesday (Sep 08) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Wed 9th Sep)3ft (0.9m) 14s
Best Surf 2PM (Wed 9th Sep)3ft (0.9m) 14s
Most Powerful 2AM (Tue 8th Sep)11ft (3.5m) 14s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Sun night. Warm (max 27°C on Sat afternoon, min 25°C on Sat night). Mainly fresh winds.

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Tue afternoon. Warm (max 27°C on Tue afternoon, min 25°C on Thu night). Wind will be generally light.

Sat
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
3
2
4
3
3
3
0
0
1
1
1
2
1
0
2
2
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
ENE
13
2.1
ENE
13
1.9
ENE
12
2.3
ENE
12
2.3
ENE
12
2.2
ENE
13
2.4
SW
15
3.5
SW
14
2.2
WSW
12
1.7
ENE
11
1.3
ENE
10
0.9
SSW
14
0.9
SSW
13
0.7
SSW
13
1.3
ENE
7
1.3
ENE
7
0.6
SW
16
1.3
ENE
12
1.2
ENE
12
1.3
ENE
11
Wave Graph
Metric surfscale
Energy kJ
1512
1430
1100
1437
1461
1497
2449
3809
1259
627
356
273
257
176
177
154
211
477
399
394
Wind (km/h)
30
NE
20
ENE
30
ENE
25
ENE
20
ENE
20
E
25
ESE
25
SE
30
SSE
20
SSE
10
SE
10
ESE
20
ENE
20
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
ENE
15
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-on
on
on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
00:18AM0.21m
1:00PM0.73m
1:21AM0.26m
1:47PM0.73m
2:09AM0.32m
2:28PM0.72m
2:51AM0.39m
3:05PM0.69m
3:32AM0.45m
3:39PM0.64m
4:11AM0.50m
4:12PM0.57m
4:51AM0.54m
Low Tide
8:03PM0.13m
5:11AM0.08m
8:31PM0.10m
6:25AM0.07m
8:57PM0.08m
7:26AM0.06m
9:22PM0.06m
8:21AM0.06m
9:46PM0.05m
9:12AM0.07m
10:10PM0.04m
10:02AM0.10m
10:33PM0.04m
clear
part cloud
part cloud
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:16
6:16
6:16
6:16
6:16
6:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:43
6:42
6:40
6:39
6:38
6:37
 mm
3
6
3
2
2
2
2
2
Temp °C
27
26
26
27
26
27
27
26
27
27
27
27
27
26
26
26
25
26
26
26
Feels °C
26
26
25
27
26
28
28
27
27
28
30
30
29
26
26
26
25
26
26
25
  • 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
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Information about the In Betweens Surf forecast

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

In Betweens is 4 km (2 miles) from Honolulu. If you plan a vacation in Oahu, look for hotels and other accommodation in Honolulu. Honolulu has rooms for a wide range of budgets as well as car hire and transport links.

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