Ripps Reef surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 pm Thursday 21 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Ripps Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ripps Reef sea temperature is
25.6° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Ripps Reef this week:

The most powerful waves expected at Ripps Reef in the next 16 days are 3.0m 8s and forecast to arrive on Thursday (May 21) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.3m 15s period and expected on Thursday (May 21) at 11PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Thu 21st May)10ft (3.0m) 8s

Table - best surf conditions forecast for Ripps Reef over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Fri night. Warm (max 24°C on Thu afternoon, min 22°C on Sat night). Mainly strong winds.

Days 5-7 Weather Summary

Light rain (total 5mm), mostly falling on Sun night. Warm (max 24°C on Sun afternoon, min 23°C on Sun night). Mainly fresh winds.

Thu
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
3
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.4
ENE
8
2.5
ENE
8
2.3
ENE
8
2.5
ENE
8
2.1
ENE
8
2.3
ENE
7
2.2
ENE
7
2
ENE
8
2.1
ENE
8
2.2
ENE
7
1.7
ENE
7
1.7
ENE
7
1.8
ENE
7
1.8
ENE
7
Wave Graph
Metric surfscale
Energy kJ
1094
1072
891
866
919
949
989
790
882
704
808
564
581
518
447
468
516
327
305
340
349
Wind (km/h)
40
ENE
35
ENE
40
ENE
40
ENE
35
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
35
E
25
ENE
30
ENE
30
ENE
25
E
on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
7:52PM0.69m
6:59AM0.23m
8:44PM0.64m
9:50AM0.28m
9:28PM0.59m
11:24AM0.37m
10:04PM0.53m
12:20PM0.47m
10:32PM0.48m
1:00PM0.55m
10:56PM0.44m
1:34PM0.63m
11:18PM0.41m
Low Tide
4:22AM0.22m
12:29PM0.12m
4:38AM0.16m
2:02PM0.22m
4:59AM0.11m
3:49PM0.29m
5:20AM0.06m
5:22PM0.32m
5:39AM0.01m
6:39PM0.34m
5:59AM-0.03m
7:42PM0.34m
6:21AM-0.06m
clear
clear
clear
clear
rain showers
rain showers
part cloud
rain showers
clear
clear
rain showers
rain showers
part cloud
clear
clear
part cloud
rain showers
part cloud
part cloud
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:48
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:05
7:05
7:06
7:06
7:07
7:07
7:07
1
1
1
2
1
2
2
Temp °C
24
23
23
24
23
23
23
23
24
24
23
23
24
23
24
24
23
24
24
23
24
20
18
18
19
18
18
18
19
19
20
19
19
20
19
20
21
19
22
21
20
22
Swell 1
Height (m)
Direction
Period (s)
0.2
NNW
10
0.3
SSW
15
0.4
NW
10
0.4
NW
11
0.4
NW
11
0.4
NW
16
0.6
NNW
15
0.6
NNW
13
0.6
NNW
12
0.6
NNW
12
0.5
NW
11
0.4
NW
11
0.4
NW
11
0.3
NW
10
0.2
S
13
0.4
NW
19
0.6
NW
16
0.7
NW
15
0.7
NW
14
0.6
NW
13
0.6
NW
12
Energy kJ
9
42
27
30
30
67
148
120
101
96
61
30
29
16
13
125
165
215
200
108
124
Swell 2
Height (m)
Direction
Period (s)
0.3
SSW
16
0.2
NNW
10
0.2
S
14
0.2
S
14
0.3
S
16
0.4
NW
10
0.3
S
15
0.3
S
15
0.3
S
13
0.3
S
13
0.3
S
14
0.3
S
14
0.3
S
13
0.3
S
13
0.2
NNW
10
0.2
NNW
10
0.3
S
15
0.3
S
14
0.3
S
13
0.3
S
13
0.3
N
12
Energy kJ
48
10
16
14
47
27
39
38
32
32
37
36
32
31
9
9
38
36
32
30
24
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
13
0.2
SSE
13
0.2
SSE
12
0.2
S
18
0.2
S
13
0.3
S
16
0.4
NW
10
0.2
NNW
10
0.2
S
16
0.2
S
16
0.1
S
21
0.1
S
20
0.1
S
20
0.1
S
17
0.2
S
16
0.2
S
16
0.2
NNW
9
0.1
NW
9
0.1
N
12
0.4
NW
16
0.3
S
12
Energy kJ
17
16
14
25
14
45
26
9
21
20
8
7
7
5
21
19
8
3
3
64
26
Wind waves
Height (m)
Direction
Period (s)
3
ENE
8
3
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.5
ENE
8
2.4
ENE
8
2.5
ENE
8
2.3
ENE
8
2.5
ENE
8
2.1
ENE
8
2.3
ENE
7
2.2
ENE
7
2
ENE
8
2.1
ENE
8
2.2
ENE
7
1.7
ENE
7
1.7
ENE
7
1.8
ENE
7
1.8
ENE
7
Energy kJ
1094
1072
891
866
919
949
989
790
882
704
808
564
581
518
447
468
516
327
305
340
349
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
3
1
3
1
2
1
1
2
1
1
2
2
1
2
2
2
2
2
Distance (km)
275
129
134
199
129
208
130
45
130
129
46
130
129
41
46
129
41
41
42
36
37
Best forecast wave conditions in Oahu
Rating
(10 max)
3
2
2
2
3
3
3
2
2
Best forecast wave conditions in United States
Rating
(10 max)
2
3
3
3
3
3
2
3
1
1
3
1
1
3
2
1
4
3
3
4
2
Header Global
Rating
(10 max)
5
7
6
5
4
8
5
6
5
5
4
4
4
6
5
6
9
6
5
9
7
  • 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 Ripps Reef Surf forecast

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

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

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