Turtles Reef surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 1 am Wednesday 27 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
25.3° C
(Which is normal for this time of year)

Turtles Reef surf forecast from 27 May 2026:

  • Best quality surf: Tuesday 2 Jun, 11AM (local time) - 4ft (1.2m), 16s period, S swell with glassy winds.
  • Most powerful swell: Tuesday 2 Jun, 8PM (local time) - 4.5ft (1.4m), 18s period, SSW swell with 1,245 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 27 May, 8AM (local time) - 3ft (0.9m), 15s period with NW swell.

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. 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 1.4m 18s and forecast to arrive on Tuesday (Jun 02) at 8PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Thursday (May 28) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Wed 27th May)3ft (0.9m) 15s
Best Surf11AM (Tue 2nd Jun)4ft (1.2m) 16s
Most Powerful 8PM (Tue 2nd Jun)4.5ft (1.4m) 18s

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 26°C on Fri afternoon, min 23°C on Wed morning). Mainly fresh winds.

Days 4-6 Weather Summary

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

Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tuesday
2
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
1
2
2
1
2
2
2
2
2
2
2
2
2
3
3
2
3
4
3
3
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
NW
14
0.9
NW
14
0.8
NW
13
0.8
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
SSW
16
0.9
SSW
16
0.8
SSW
15
0.8
SSW
14
0.7
S
19
0.9
S
18
1
S
18
1
S
16
1.2
S
16
1.2
SSW
17
1.2
SSW
18
Wave Graph
Metric surfscale
Energy kJ
341
313
242
175
175
445
618
730
627
589
437
416
296
280
365
515
632
542
752
867
919
Wind (km/h)
20
ENE
25
ENE
25
ENE
25
ENE
30
ENE
20
ENE
20
ENE
25
ENE
20
ENE
15
E
10
E
10
ENE
0
SE
0
E
10
ENE
5
ENE
5
ESE
10
ENE
5
ENE
5
ENE
10
ENE
off
off
off
off
off
off
off
off
off
off
cross-off
off
glassy
glassy
off
off
glassy
off
glassy
off
off
High Tide
2:15PM0.64m
1:11AM0.31m
2:46PM0.68m
1:52AM0.28m
3:18PM0.71m
2:31AM0.26m
3:51PM0.72m
3:07AM0.24m
4:26PM0.72m
3:42AM0.23m
5:03PM0.71m
4:17AM0.22m
5:40PM0.70m
4:58AM0.21m
Low Tide
9:14PM0.24m
7:10AM0.06m
10:02PM0.21m
7:37AM0.05m
10:44PM0.19m
8:06AM0.05m
11:25PM0.17m
8:36AM0.04m
00:07AM0.17m
9:08AM0.05m
00:52AM0.17m
9:41AM0.05m
1:38AM0.17m
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<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
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:08
7:08
7:09
7:09
7:09
7:10
Temp °C
24
25
23
24
25
23
25
26
24
25
26
24
25
25
24
25
26
25
26
26
25
23
23
21
22
23
21
23
24
23
25
27
24
28
27
26
27
29
27
29
29
27
Swell 1
Height (m)
Direction
Period (s)
1.2
ENE
7
0.9
NW
14
0.8
NW
13
1.1
E
7
0.8
NW
12
0.7
NW
12
1.1
E
7
1
S
19
1
S
18
1
S
17
0.9
SSW
16
0.9
SSW
16
0.8
SSW
15
0.8
SSW
14
0.9
SSW
14
0.9
S
18
1
S
18
1
S
16
1.2
S
16
1.2
SSW
17
1.2
SSW
18
Energy kJ
160
313
242
120
175
137
111
730
627
589
437
416
296
280
346
515
632
542
752
867
919
Swell 2
Height (m)
Direction
Period (s)
0.9
NW
14
0.6
S
14
0.6
S
13
0.8
NW
12
0.6
S
12
0.7
S
21
0.9
S
20
0.6
NNW
11
0.6
NNE
8
0.9
E
7
0.8
E
7
0.7
N
10
0.8
E
8
0.7
E
8
0.7
S
19
0.7
S
14
0.6
E
8
0.7
S
21
0.9
SSW
20
0.9
NNW
11
0.9
NNW
10
Energy kJ
341
129
121
175
103
445
618
84
49
79
69
88
71
55
365
195
40
436
634
209
170
Swell 3
Height (m)
Direction
Period (s)
0.6
S
14
0.4
SE
8
0.2
SSE
6
0.6
S
12
0.4
S
23
0.5
S
12
0.7
NW
11
0.6
N
10
0.6
NNW
11
0.6
NNW
10
0.7
NNW
10
0.7
E
8
0.5
N
9
0.5
N
9
0.7
E
8
0.6
E
8
0.6
N
10
0.6
S
13
0.6
E
7
0.8
ENE
7
0.9
SSW
14
Energy kJ
144
17
3
105
167
67
133
67
78
78
100
57
44
43
57
41
65
125
37
50
350
Wind waves
Height (m)
Direction
Period (s)
1.5
ENE
6
1.3
ENE
7
1.6
ENE
6
1.2
ENE
7
1.1
E
7
0.9
E
7
0.9
ENE
7
0.8
ENE
7
0.8
ENE
7
0.8
ENE
5
Energy kJ
126
176
165
135
110
83
78
62
54
27
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
3
2
2
2
2
2
2
3
3
2
3
4
3
3
Distance (km)
0
9
0
0
15
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
2
2
2
3
3
3
3
3
3
3
2
2
3
3
3
4
4
4
4
Best forecast wave conditions in United States
Rating
(10 max)
3
3
4
4
4
4
3
3
4
3
3
4
2
2
4
4
3
4
4
4
4
Header Global
Rating
(10 max)
6
6
8
7
6
5
5
5
5
7
6
5
5
5
4
7
7
4
4
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 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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