Turtles Reef surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Tuesday 26 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)

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 5AM. 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 1.5m 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 7s period and expected on Wednesday (May 27) at 2AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Wed 27th May)3ft (0.9m) 15s
Best Surf11AM (Tue 2nd Jun)4ft (1.2m) 16s
Most Powerful 8PM (Tue 2nd Jun)5ft (1.5m) 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 Tue night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Mon afternoon, min 23°C on Fri night). Wind will be generally light.

Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tue
2
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
1
2
1
2
2
1
2
2
2
2
2
2
2
2
2
3
3
2
3
4
3
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)
0.7
NW
16
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
S
16
0.9
SSW
16
0.9
SSW
15
0.8
SSW
14
0.7
S
19
0.9
SSW
18
1
S
18
1
S
16
1.2
S
16
1.2
SSW
17
Wave Graph
Metric surfscale
Energy kJ
251
341
313
242
175
175
445
618
730
646
589
422
416
370
280
365
534
632
542
752
857
Wind (km/h)
25
ENE
20
ENE
25
ENE
20
ENE
25
ENE
25
ENE
20
ENE
20
ENE
25
ENE
20
ENE
15
E
15
E
10
ENE
0
SE
0
SSW
10
ENE
10
ENE
20
ENE
10
E
5
ESE
10
ENE
off
off
off
off
off
off
off
off
off
off
off
off
off
glassy
glassy
off
off
off
off
cross-off
off
High Tide
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
4:26PM0.72m
3:42AM0.23m
5:03PM0.71m
4:17AM0.22m
5:40PM0.70m
Low Tide
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
8:36AM0.04m
00:07AM0.17m
9:08AM0.05m
00:52AM0.17m
9:41AM0.05m
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
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
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:07
7:07
7:08
7:08
7:09
7:09
7:09
7:10
Temp °C
23
24
25
23
24
25
23
25
26
24
25
26
24
25
25
25
26
27
25
26
27
20
23
23
21
22
23
22
23
24
23
24
26
24
28
28
28
28
28
25
29
30
Swell 1
Height (m)
Direction
Period (s)
0.7
NW
16
1.3
ENE
7
0.9
NW
14
0.8
NW
13
1.1
ENE
7
0.8
NW
12
0.7
NW
12
0.9
S
20
1
S
19
1
S
18
1
S
17
0.9
S
16
0.9
SSW
16
0.9
SSW
15
0.8
SSW
14
0.9
SSW
14
0.9
SSW
18
1
S
18
1
S
16
1.2
S
16
1.2
SSW
17
Energy kJ
251
181
313
242
115
175
137
618
730
646
589
422
416
370
280
346
534
632
542
752
857
Swell 2
Height (m)
Direction
Period (s)
0.6
S
15
0.9
NW
14
0.6
S
14
0.6
S
13
0.8
NW
12
0.6
S
12
0.7
S
21
0.7
NW
11
0.6
NNW
11
0.6
NNE
9
0.9
ENE
7
0.8
E
7
0.7
E
8
0.7
E
8
0.6
E
8
0.7
S
19
0.7
E
8
0.7
E
8
0.8
ENE
7
0.9
SSW
20
0.9
NNW
11
Energy kJ
150
341
129
121
175
103
445
133
84
61
82
68
55
54
41
365
57
55
69
634
202
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
8
0.6
S
14
0.4
SE
8
0.3
N
11
0.6
S
12
0.4
SSE
6
0.5
S
12
0.6
N
10
0.6
N
10
0.6
NNW
11
0.6
NNW
10
0.7
NNW
10
0.5
N
8
0.5
N
8
0.5
N
9
0.6
E
8
0.7
S
14
0.6
N
10
0.7
S
21
0.9
ENE
7
0.9
ENE
7
Energy kJ
7
144
17
23
105
14
67
71
67
78
78
100
36
33
43
43
195
65
436
66
62
Wind waves
Height (m)
Direction
Period (s)
1.6
E
7
1.5
ENE
6
1.4
ENE
7
1.1
ENE
7
1.1
E
7
1
E
7
1.1
E
7
1
E
7
0.9
ENE
8
0.7
ENE
8
0.9
ENE
8
0.6
ENE
4
Energy kJ
272
141
203
117
113
91
103
103
81
58
81
14
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
3
3
2
3
4
3
Distance (km)
10
0
9
0
0
10
0
0
9
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
3
2
2
2
3
3
3
3
3
3
3
2
2
3
3
3
4
4
4
Best forecast wave conditions in United States
Rating
(10 max)
4
3
3
4
4
4
4
4
3
4
3
3
4
2
2
4
3
3
4
4
4
Header Global
Rating
(10 max)
7
6
6
7
9
6
5
5
5
4
7
6
5
5
4
4
6
7
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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