In Betweens surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Thursday 28 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 28 May 2026:

  • Best quality surf: Sunday 31 May, 8AM (local time) - 2.5ft (0.8m), 15s 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★+): Saturday 30 May, 11PM (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 Saturday (May 30) at 11PM. The primary swell is predicted to be 0.8m and 16s period with a secondary swell of 0.9m 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 1.3m 5s period and expected on Tuesday (Jun 02) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Sat 30th May)2.5ft (0.8m) 16s
Best Surf 8AM (Sun 31st May)2.5ft (0.8m) 15s
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

Light rain (total 2mm), mostly falling on Sat night. Warm (max 24°C on Thu morning, min 23°C on Thu morning). Winds decreasing (fresh winds from the ENE on Fri afternoon, light winds from the ENE by Sat night).

Days 4-6 Weather Summary

Mostly dry. Warm (max 25°C on Sun morning, min 23°C on Sun morning). Wind will be generally light.

Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
AM
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
1
1
1
1
2
1
2
2
2
2
2
2
2
3
1
3
1
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
ENE
7
1.3
ENE
7
0.6
S
21
0.8
S
20
0.9
S
19
0.9
S
18
0.9
S
17
0.8
S
16
0.8
SSW
16
0.8
SSW
15
0.7
SSW
14
0.6
S
19
0.8
S
18
0.9
SSW
18
0.9
SSW
16
1.1
S
16
1
S
16
1.1
S
18
1.2
SSW
16
1.2
SSW
16
1.1
SSW
16
Wave Graph
Metric surfscale
Energy kJ
181
168
329
495
593
509
470
339
333
300
218
276
408
516
448
635
516
751
787
758
620
Wind (km/h)
25
ENE
30
ENE
30
ENE
30
ENE
35
ENE
25
ENE
25
ENE
25
ENE
10
ENE
15
ENE
15
NE
15
ENE
20
ENE
15
NE
15
ENE
25
ENE
25
NE
20
ENE
25
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
2:59PM0.59m
2:11AM0.17m
3:31PM0.62m
2:51AM0.15m
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
Low Tide
10:12PM0.09m
7:53AM-0.07m
10:55PM0.07m
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
clear
clear
part cloud
clear
clear
clear
part cloud
clear
rain showers
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
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
7:07
7:07
7:08
7:08
7:08
7:09
2
Temp °C
24
24
24
24
24
23
24
24
24
25
25
24
24
25
24
25
25
24
25
25
24
22
21
21
21
20
20
22
22
24
25
25
25
23
25
23
24
23
24
25
24
22
Swell 1
Height (m)
Direction
Period (s)
0.5
S
12
0.6
S
12
0.6
S
21
0.8
S
20
0.9
S
19
0.9
S
18
0.9
S
17
0.8
S
16
0.8
SSW
16
0.8
SSW
15
0.7
SSW
14
0.8
SSW
14
0.8
S
18
0.9
SSW
18
0.9
SSW
16
1.1
S
16
1
S
16
1.1
ENE
6
1.2
SSW
16
1.4
E
7
1.1
SSW
16
Energy kJ
73
103
329
495
593
509
470
339
333
300
218
276
408
516
448
635
516
87
787
198
620
Swell 2
Height (m)
Direction
Period (s)
0.4
NW
12
0.4
NW
12
0.5
S
12
0.5
S
11
0.4
S
11
0.5
S
13
0.6
E
7
0.8
E
7
0.6
NE
8
0.4
N
8
0.4
N
8
0.6
S
19
0.6
S
14
0.5
S
13
0.6
S
21
0.8
S
20
0.8
S
19
1.1
S
18
1.1
ENE
7
1.2
SSW
16
0.7
N
12
Energy kJ
52
52
67
61
39
80
37
66
45
21
20
273
144
89
329
485
475
751
118
758
141
Swell 3
Height (m)
Direction
Period (s)
0.4
NNE
12
0.3
N
11
0.4
NNE
11
0.5
N
10
0.4
NNE
10
0.4
NNE
11
0.4
S
12
0.8
NE
8
0.4
NNE
8
0.3
S
11
0.3
NNW
11
0.6
E
8
0.3
NNW
10
0.4
NNW
10
0.6
S
13
0.3
NNW
12
0.5
N
11
0.8
SSW
14
0.5
N
9
0.4
N
11
0.2
SSE
8
Energy kJ
48
20
38
52
31
38
44
69
24
20
23
42
19
31
125
30
64
280
43
40
6
Wind waves
Height (m)
Direction
Period (s)
1.4
ENE
7
1.3
ENE
7
1.4
ENE
7
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.1
NE
7
0.9
E
8
1
ENE
8
0.9
ENE
8
0.6
NE
7
0.9
ENE
7
1
ENE
7
1.1
ENE
5
1
ENE
7
1.3
ENE
5
1.4
ENE
7
Energy kJ
181
168
191
181
197
183
122
90
120
99
41
97
104
66
99
99
175
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
1
3
3
2
2
2
2
3
3
3
3
4
3
4
4
3
3
Distance (km)
30
32
30
30
38
1
1
1
0
0
0
1
30
1
1
1
1
1
28
31
38
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
3
3
3
3
3
3
2
2
2
3
3
3
4
4
4
4
4
4
3
Best forecast wave conditions in United States
Rating
(10 max)
4
4
4
5
3
4
3
3
4
2
2
4
3
3
4
4
4
4
4
4
3
Header Global
Rating
(10 max)
9
7
5
5
5
5
7
7
6
5
5
4
5
5
4
4
5
5
5
4
4
  • 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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