In Betweens surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 7 pm Wednesday 20 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
25.8° C
(Which is slightly warmer than usual)

How big are the waves at In Betweens today?

The current surf forecast for In Betweens at 3AM is: 3.0m 8s primary swell from a East-northeast direction and 0.4m 13s secondary swell from a South-southwest direction, 0.4m 16s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 20). The wind direction is predicted to be cross-offshore.

Time (HST) & DateWave HeightWave Period
Morning (21 May)10ft (3.0m)8s
Afternoon (21 May)10ft (3.0m)8s
Evening (21 May)10ft (3.0m)8s

Table - waves today at In Betweens. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 24°C on Wed night, min 23°C on Wed night). Mainly strong winds.

Wed
20
Thursday
21
Friday
22
Sat
23
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
Rating
(10 max)
0
0
1
1
1
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.2
ENE
8
2.4
ENE
8
2.5
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
9
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
Wave Graph
Metric surfscale
Energy kJ
644
763
871
1156
1213
1108
1081
1152
1222
1306
1306
1150
1072
1000
909
913
891
919
913
913
850
850
897
973
Wind (km/h)
40
ENE
40
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
45
ENE
40
ENE
40
ENE
40
ENE
35
ENE
40
ENE
40
ENE
45
ENE
40
ENE
35
ENE
40
ENE
35
ENE
40
ENE
40
ENE
40
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
cross-off
cross-off
cross-off
High Tide
7:47PM0.64m
8:55AM0.12m
8:43PM0.58m
10:30AM0.18m
9:37PM0.51m
11:42AM0.26m
Low Tide
3:46AM-0.03m
12:55PM0.05m
4:33AM-0.04m
2:25PM0.11m
5:12AM-0.05m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:04
7:05
7:05
Temp °C
24
24
23
23
23
23
24
24
23
23
23
23
23
23
23
24
24
23
23
23
23
23
23
24
20
20
18
18
18
17
18
18
17
17
18
17
17
18
18
18
18
18
18
18
18
18
17
18
Swell 1
Height (m)
Direction
Period (s)
0.5
SSW
14
0.5
SSW
14
0.4
SSW
13
0.4
SSW
13
0.5
S
16
0.5
S
16
0.4
SSW
16
0.4
SSW
16
0.5
S
16
0.5
S
15
0.6
S
15
0.5
S
15
0.5
S
15
0.4
SSW
15
0.5
S
14
0.4
SSW
14
0.4
SSW
14
0.5
S
14
0.5
S
17
0.5
S
16
0.5
S
16
0.5
S
16
0.5
S
16
0.6
S
16
Energy kJ
108
105
69
68
134
132
87
85
127
112
157
110
110
72
107
67
62
93
140
130
129
127
125
174
Swell 2
Height (m)
Direction
Period (s)
0.3
NNW
11
0.3
NNW
11
0.4
SSW
17
0.4
SSW
16
0.4
SSW
13
0.3
SSW
13
0.4
SSW
13
0.3
SSW
13
0.2
SSE
13
0.2
SSE
13
0.3
SSE
13
0.3
SSE
13
0.3
SSE
12
0.3
SSE
12
0.3
S
18
0.4
S
18
0.4
S
18
0.4
S
18
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.4
SSW
13
0.3
SSW
13
0.2
NNW
16
Energy kJ
23
22
99
91
58
33
60
31
17
17
33
32
30
29
57
98
98
97
60
60
59
58
34
25
Swell 3
Height (m)
Direction
Period (s)
0.3
SSW
18
0.3
SSW
18
0.3
NNW
11
0.3
NNW
10
0.2
SSE
14
0.3
SSE
14
0.2
SSE
13
0.2
SSE
13
0.2
SSW
12
0.2
NNW
10
0.2
SSW
12
0.2
S
12
0.2
SSW
12
0.3
S
19
0.3
SSE
12
0.2
SSE
12
0.2
SSE
12
0.2
SSE
12
0.2
SSE
12
0.2
SSE
12
0.2
NNW
11
0.2
NNW
10
0.2
SSE
12
0.2
SSE
12
Energy kJ
61
61
22
22
19
36
17
17
14
9
14
11
14
63
29
14
14
14
14
14
11
11
14
14
Wind waves
Height (m)
Direction
Period (s)
2.2
ENE
8
2.4
ENE
8
2.5
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
8
3
ENE
9
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
Energy kJ
644
763
871
1156
1213
1108
1081
1152
1222
1306
1306
1150
1072
1000
909
913
891
919
913
913
850
850
897
973
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
1
1
1
1
1
1
1
1
2
2
1
1
3
3
3
2
2
1
1
3
2
Distance (km)
47
45
127
129
127
129
157
126
130
258
129
47
47
44
156
203
201
201
47
47
130
156
209
201
Best forecast wave conditions in Oahu
Rating
(10 max)
1
2
2
2
2
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
3
3
3
3
2
3
1
4
3
3
3
3
2
3
3
3
3
2
2
3
3
3
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
4
5
7
7
7
6
5
7
5
7
7
8
8
7
6
7
5
  • 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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