Turtles Reef surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Friday 29 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 30 May 2026:

  • Best quality surf: Tuesday 2 Jun, 11AM (local time) - 4ft (1.2m), 16s period, SSW swell with offshore winds.
  • Most powerful swell: Tuesday 2 Jun, 8PM (local time) - 5ft (1.5m), 18s period, S swell with 1,421 kJ wave energy.
  • Next surfable swell (1★+): Saturday 30 May, 2AM (local time) - 3.5ft (1.0m), 18s period with S 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 Saturday (May 30) at 2AM. The primary swell is predicted to be 1.0m and 18s period with a secondary swell of 0.6m and 13s. 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 1.4m 6s period and expected on Tuesday (Jun 02) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Sat 30th May)3.5ft (1.0m) 18s
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

Light rain (total 2mm), mostly falling on Sat afternoon. Warm (max 26°C on Mon afternoon, min 22°C on Sun night). Wind will be generally light.

Days 5-7 Weather Summary

Mostly dry. Warm (max 27°C on Tue afternoon, min 23°C on Wed night). Mainly fresh winds.

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
Thursday
4
Fri
5
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
3
2
2
2
2
2
3
3
3
3
4
3
3
3
2
2
1
1
1
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)
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
SSW
18
1
S
18
1
S
16
1.2
SSW
16
1.2
SSW
17
1.2
SSW
18
1.4
SSW
16
1.3
SSW
16
1.2
SSW
16
1.1
SSW
15
1
S
14
0.9
SSW
14
0.8
SSW
14
0.7
SSW
14
Wave Graph
Metric surfscale
Energy kJ
627
589
437
416
296
280
365
534
632
542
778
867
919
1042
882
730
551
423
341
261
189
Wind (km/h)
15
ENE
15
E
15
E
10
E
0
SE
5
NW
10
NE
5
NE
10
ENE
15
NE
10
ENE
20
ENE
15
E
20
E
30
ENE
25
ENE
25
ENE
30
ENE
25
ENE
25
ENE
30
ENE
off
off
off
off
glassy
glassy
off
glassy
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
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
6:18PM0.68m
5:53AM0.20m
6:55PM0.65m
7:11AM0.21m
7:32PM0.62m
Low Tide
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
10:13AM0.07m
2:23AM0.17m
10:46AM0.11m
3:03AM0.16m
11:23AM0.16m
clear
clear
rain showers
rain showers
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
5:48
5:48
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:09
7:09
7:09
7:10
7:10
7:12
7:12
1
1
Temp °C
24
25
25
24
25
25
25
25
26
24
26
27
25
26
27
24
25
26
24
25
25
23
25
25
24
28
27
27
27
27
24
28
28
25
26
25
23
23
23
22
23
22
Swell 1
Height (m)
Direction
Period (s)
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
SSW
18
1
S
18
1
S
16
1.2
SSW
16
1.2
SSW
17
1.2
SSW
18
1.4
SSW
16
1.3
SSW
16
1.2
SSW
16
1.1
SSW
15
1.1
N
12
1.1
N
12
1
N
12
0.9
N
12
Energy kJ
627
589
437
416
296
280
346
534
632
542
778
867
919
1042
882
730
551
327
327
280
216
Swell 2
Height (m)
Direction
Period (s)
0.6
S
13
0.8
E
7
0.8
E
7
0.7
E
7
0.7
E
8
0.6
E
8
0.7
S
19
0.7
S
14
0.6
SSW
13
0.7
S
21
1.2
ENE
7
1
E
7
0.9
SSW
14
1.2
E
7
1.1
E
7
0.8
N
12
1
N
12
1
S
14
0.9
SSW
14
1
E
8
0.7
SSW
14
Energy kJ
114
64
61
53
54
41
365
195
137
436
139
103
350
143
111
187
271
423
341
114
189
Swell 3
Height (m)
Direction
Period (s)
0.6
NNW
11
0.7
NNW
10
0.7
NNW
10
0.7
N
10
0.5
N
9
0.5
N
9
0.7
N
10
0.7
N
10
0.6
N
10
0.6
S
13
0.9
SSW
20
0.8
NNW
11
0.8
NNW
10
0.7
NNW
9
0.6
NNW
9
0.4
SSE
8
0.5
SE
8
0.4
SSE
8
0.2
SSE
9
0.8
SSW
14
0.4
SE
8
Energy kJ
78
104
100
90
44
42
108
94
67
125
634
164
133
88
65
26
30
26
7
261
15
Wind waves
Height (m)
Direction
Period (s)
0.9
ENE
7
0.8
ENE
8
0.6
ENE
4
0.9
ENE
8
1
ENE
6
1.3
E
7
1.2
E
7
1.3
E
7
1.2
E
7
1.4
ENE
8
Energy kJ
84
64
10
102
69
145
124
152
142
257
Nearest Offshore or Glassy
Rating
(10 max)
3
2
2
2
2
2
3
3
3
3
4
3
3
3
3
3
3
3
3
3
2
Distance (km)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
9
9
13
9
9
13
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
3
3
2
2
3
3
3
4
4
4
4
4
3
3
3
3
3
3
2
Best forecast wave conditions in United States
Rating
(10 max)
4
3
3
4
2
2
4
4
3
4
4
4
4
4
3
3
3
3
4
3
2
Header Global
Rating
(10 max)
5
7
7
6
5
5
4
4
5
6
4
6
5
5
4
4
9
5
5
9
8
  • 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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