In Betweens surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Saturday 30 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
In Betweens surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's In Betweens sea temperature is
25.1° C
(Which is normal for this time of year)

In Betweens surf forecast from 30 May 2026:

  • Best quality surf: Wednesday 3 Jun, 5AM (local time) - 3ft (0.9m), 18s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 2 Jun, 8PM (local time) - 4.5ft (1.3m), 18s period, SSW swell with 1,081 kJ wave energy.
  • Next surfable swell (1★+): Sunday 31 May, 2AM (local time) - 2.5ft (0.8m), 16s 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 Sunday (May 31) at 2AM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 0.8m 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 1.3m 18s and forecast to arrive on Tuesday (Jun 02) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 8s period and expected on Sunday (May 31) at 11AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sun 31st May)2.5ft (0.8m) 16s
Best Surf 5AM (Wed 3rd Jun)3ft (0.9m) 18s
Most Powerful 8PM (Tue 2nd Jun)4.5ft (1.3m) 18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Mon night. Warm (max 25°C on Sun afternoon, min 23°C on Sat morning). Wind will be generally light.

Days 4-6 Weather Summary

Light rain (total 2mm), mostly falling on Tue night. Warm (max 25°C on Tue morning, min 23°C on Wed night). Winds increasing (light winds from the ENE on Tue night, strong winds from the ENE by Thu morning).

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Friday
5
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
1
2
1
2
3
2
2
3
3
3
3
1
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)
0.9
S
17
0.8
S
16
0.8
SSW
16
0.8
SSW
15
0.7
S
15
0.6
S
19
0.8
S
18
0.9
SSW
18
0.7
S
21
1.1
S
16
1.1
S
16
1.1
S
18
1.3
SSW
16
1.2
SSW
16
1.1
SSW
16
1
S
15
0.9
SSW
14
1.8
ENE
7
1.5
ENE
8
1.7
ENE
8
1.6
ENE
8
Wave Graph
Metric surfscale
Energy kJ
470
334
333
300
209
276
408
516
448
635
620
751
916
758
620
441
346
346
240
322
306
Wind (km/h)
25
ENE
25
ENE
15
ENE
20
ENE
15
NE
15
NNE
20
ENE
20
NE
20
NE
20
ENE
25
ENE
20
ENE
35
ENE
35
ENE
40
ENE
40
ENE
40
ENE
35
ENE
40
ENE
35
ENE
35
ENE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
4:04PM0.63m
3:30AM0.13m
4:39PM0.64m
4:10AM0.12m
5:16PM0.64m
4:54AM0.12m
5:54PM0.62m
5:44AM0.11m
6:33PM0.60m
6:46AM0.12m
7:12PM0.58m
8:01AM0.14m
7:52PM0.54m
Low Tide
8:21AM-0.06m
11:37PM0.05m
8:52AM-0.06m
00:19AM0.05m
9:25AM-0.05m
1:02AM0.05m
9:59AM-0.03m
1:46AM0.04m
10:35AM-0.01m
2:28AM0.04m
11:15AM0.03m
3:07AM0.03m
12:04PM0.07m
3:41AM0.02m
part cloud
clear
clear
part cloud
clear
clear
clear
clear
rain showers
clear
clear
rain showers
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:48
5:48
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:08
7:08
7:08
7:09
7:09
7:10
1
2
Temp °C
24
24
24
24
25
24
24
25
24
25
25
24
24
24
23
24
24
23
24
24
23
22
22
23
24
25
25
23
25
23
25
24
24
23
20
19
19
19
19
20
20
19
Swell 1
Height (m)
Direction
Period (s)
1.1
ENE
7
0.8
S
16
0.8
SSW
16
0.8
SSW
15
0.7
S
15
0.8
SSW
14
0.8
S
18
0.9
SSW
18
0.9
SSW
16
1.2
ENE
7
1.1
S
16
1.1
S
18
1.3
SSW
16
1.2
SSW
16
1.1
SSW
16
1
S
15
0.9
SSW
14
0.8
N
13
0.8
N
12
0.7
N
11
0.5
S
13
Energy kJ
131
334
333
300
209
276
408
516
448
129
620
751
916
758
620
441
346
215
180
121
89
Swell 2
Height (m)
Direction
Period (s)
0.9
S
17
0.8
NE
7
0.8
E
8
0.6
E
8
0.7
E
8
0.6
E
8
0.6
S
14
0.5
S
13
0.7
S
21
1.1
S
16
0.8
S
19
1
ENE
6
0.4
NNW
9
0.3
NNW
10
0.6
N
12
0.7
N
12
0.8
N
11
0.8
SSW
14
0.7
SSW
14
0.6
SSW
14
0.5
N
11
Energy kJ
470
71
76
41
57
48
144
89
428
635
475
75
28
18
108
134
166
273
207
145
56
Swell 3
Height (m)
Direction
Period (s)
0.5
S
12
0.8
E
7
0.6
NE
7
0.4
N
8
0.4
N
8
0.6
S
19
0.3
NNW
10
0.4
NNW
10
0.6
S
13
0.8
S
20
0.5
N
11
0.8
SSW
14
0.1
S
8
0.3
SSE
7
0.3
SSE
8
0.3
SSE
8
0.1
NE
11
0.2
ENE
10
0.1
W
11
0.1
W
10
Energy kJ
69
69
43
21
20
273
19
31
125
485
64
280
1
10
13
13
5
10
2
2
Wind waves
Height (m)
Direction
Period (s)
0.9
NE
8
0.7
NE
7
0.7
NE
7
1.1
ENE
8
1.2
ENE
7
1.3
ENE
6
1.1
ENE
7
1.5
E
7
1.5
ENE
7
1.8
E
7
1.6
ENE
6
1.6
ENE
7
1.8
ENE
7
1.5
ENE
8
1.7
ENE
8
1.6
ENE
8
Energy kJ
82
52
54
131
157
149
110
218
192
289
194
254
346
240
322
306
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
3
3
3
4
4
4
4
4
3
3
3
2
3
2
2
1
Distance (km)
31
30
0
30
0
0
1
1
1
1
1
28
32
38
38
39
41
38
38
41
38
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
2
2
2
3
3
3
4
4
4
4
4
3
3
3
3
3
2
2
1
Best forecast wave conditions in United States
Rating
(10 max)
3
3
4
2
2
4
4
4
4
4
4
4
4
4
4
3
3
4
2
4
4
Header Global
Rating
(10 max)
7
7
6
5
5
4
4
5
5
4
5
4
4
5
4
5
4
4
4
5
9
  • 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 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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