Turtles Reef surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Sunday 24 May 2026 HST
Forecast update in hr  min  s Forecast update imminent
Turtles Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Turtles Reef sea temperature is
25.5° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Turtles Reef this week:

The surf forecast for Turtles Reef over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (May 27) at 8AM. The primary swell is predicted to be 0.9m and 15s period with a secondary swell of 0.6m and 14s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Turtles Reef in the next 16 days are 1.0m 19s and forecast to arrive on Friday (May 29) at 2PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 6s period and expected on Sunday (May 24) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 27th May)3ft (0.9m) 15s
Best Surf 5PM (Fri 29th May)3.5ft (1.0m) 19s
Most Powerful 2PM (Fri 29th May)3.5ft (1.0m) 19s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 25°C on Sun afternoon, min 22°C on Sun night). Mainly fresh winds.

Days 4-6 Weather Summary

Mostly dry. Warm (max 26°C on Fri afternoon, min 23°C on Wed morning). Wind will be generally light.

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
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
0
0
0
0
0
1
1
1
1
2
1
1
2
1
3
3
2
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
S
14
0.5
S
14
0.6
S
14
0.6
S
14
0.5
S
13
0.5
S
13
0.4
S
16
0.6
NW
18
0.7
NW
16
0.9
NW
14
0.9
NW
14
0.8
NW
13
0.7
NW
12
0.8
NW
12
0.7
S
21
0.9
S
20
1
S
19
1
S
18
1
S
17
0.9
S
16
0.9
SSW
16
Wave Graph
Metric surfscale
Energy kJ
93
93
142
142
87
84
79
201
251
341
313
205
141
178
445
618
730
646
589
422
416
Wind (km/h)
30
ENE
30
ENE
25
ENE
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
25
ENE
25
ENE
30
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
E
25
ENE
20
ENE
20
E
25
ENE
20
ENE
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
12:27PM0.43m
10:55PM0.47m
1:08PM0.51m
11:42PM0.41m
1:43PM0.59m
00:27AM0.36m
2:15PM0.64m
1:11AM0.31m
2:46PM0.68m
1:52AM0.28m
3:18PM0.71m
2:31AM0.26m
3:51PM0.72m
3:07AM0.24m
Low Tide
5:26PM0.31m
5:58AM0.08m
7:02PM0.30m
6:22AM0.07m
8:16PM0.27m
6:45AM0.07m
9:14PM0.24m
7:10AM0.06m
10:02PM0.21m
7:37AM0.05m
10:44PM0.19m
8:06AM0.05m
11:25PM0.17m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
5:50
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:07
7:07
7:08
7:08
7:09
Temp °C
24
25
23
25
25
23
25
25
23
24
25
23
24
25
23
25
26
24
26
26
24
20
22
20
22
22
21
22
22
20
21
22
20
23
23
21
22
24
23
25
24
23
Swell 1
Height (m)
Direction
Period (s)
0.7
NW
12
0.7
NW
12
0.6
NNW
11
0.6
S
14
0.5
S
13
0.5
S
13
0.4
S
13
0.6
NW
18
0.7
NW
16
1.4
E
7
0.9
NW
14
0.8
NW
13
0.7
NW
12
0.8
NW
12
0.8
NW
12
0.9
S
20
1
S
19
1
S
18
1
S
17
0.9
S
16
0.9
E
7
Energy kJ
154
147
84
142
87
84
51
201
251
203
313
205
141
178
169
618
730
646
589
422
78
Swell 2
Height (m)
Direction
Period (s)
0.5
S
14
0.5
S
14
0.6
S
14
0.5
NW
11
0.5
NW
11
0.4
NW
10
0.4
S
16
0.5
S
12
0.6
S
14
0.9
NW
14
0.6
S
13
0.6
S
13
0.6
S
12
0.6
S
12
0.7
S
21
0.7
NW
12
0.6
NNW
11
0.6
S
13
1
E
7
0.5
N
10
0.9
SSW
16
Energy kJ
93
93
142
58
56
27
79
73
148
341
127
121
105
103
445
142
82
114
93
48
416
Swell 3
Height (m)
Direction
Period (s)
0.3
S
16
0.3
S
16
0.2
SSE
11
0.2
SSE
9
0.2
SSE
10
0.3
S
17
0.3
NW
10
0.4
S
16
0.2
NNW
9
0.6
S
14
0.2
SSE
8
0.4
NW
16
0.4
NNW
14
0.4
S
23
0.5
N
11
0.6
N
10
0.6
N
10
0.6
NNW
11
0.6
N
10
0.5
NNW
10
0.7
N
10
Energy kJ
46
46
12
8
9
49
15
79
8
144
7
64
81
167
58
74
67
78
71
56
90
Wind waves
Height (m)
Direction
Period (s)
1.6
ENE
8
1.8
ENE
8
1.8
ENE
8
1.6
ENE
8
1.6
ENE
7
1.7
ENE
7
1.7
ENE
7
1.6
ENE
7
1.5
E
7
1.3
ENE
7
1.3
ENE
7
1.2
ENE
7
1.2
ENE
7
1.1
E
7
1.2
E
7
1.3
ENE
7
1.2
ENE
6
1.2
ENE
7
1
E
7
Energy kJ
322
408
346
283
261
273
310
245
233
186
181
147
143
117
124
157
119
135
99
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
1
2
2
2
3
2
1
2
2
3
3
3
2
1
2
Distance (km)
158
157
9
9
17
10
13
17
2
9
10
0
0
9
0
2
0
0
0
9
0
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
2
3
2
3
3
3
2
2
2
3
3
3
3
2
3
Best forecast wave conditions in United States
Rating
(10 max)
1
1
2
2
2
3
2
3
3
3
3
5
2
2
4
3
4
4
3
2
4
Header Global
Rating
(10 max)
5
5
4
4
4
9
6
7
7
8
6
7
9
8
5
5
5
5
5
6
6
  • 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 Turtles Reef Surf forecast

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

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

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