Turtles Reef surfForecast / HAW – Oahu / USA

information circle16 Day Weather and Surf, issued 7 pm Saturday 23 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 Sunday (May 24) at 5AM. The primary swell is predicted to be 0.6m and 14s 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 1.0m 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+) 5AM (Sun 24th May)2ft (0.6m) 14s
Best Surf 2PM (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 morning, min 22°C on Sat night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Fri afternoon, min 23°C on Tue night). Mainly fresh winds.

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Sat
30
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
0
0
0
0
0
0
0
0
1
1
1
1
2
1
1
2
2
2
3
2
2
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)
0.6
S
15
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
0.8
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
Wave Graph
Metric surfscale
Energy kJ
155
93
93
142
142
87
84
79
201
251
293
313
205
144
178
445
618
730
627
589
422
Wind (km/h)
30
ENE
30
ENE
35
ENE
25
ENE
25
ENE
30
ENE
25
ENE
30
ENE
25
ENE
25
ENE
25
ENE
30
ENE
20
ENE
25
ENE
25
ENE
20
ENE
20
E
25
ENE
20
ENE
15
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
10:06PM0.53m
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
Low Tide
5:32AM0.09m
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
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
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
7:07
7:08
7:08
7:09
Temp °C
23
25
25
23
25
25
23
24
25
23
25
25
23
25
25
23
25
26
24
25
26
20
21
22
19
22
22
20
21
22
20
23
22
21
23
23
21
24
24
22
24
25
Swell 1
Height (m)
Direction
Period (s)
0.7
NW
13
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
0.8
NW
14
0.9
NW
14
1.3
E
7
0.7
NW
12
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
Energy kJ
183
154
147
84
142
87
84
51
201
251
293
313
171
144
178
144
618
730
627
589
422
Swell 2
Height (m)
Direction
Period (s)
0.6
S
15
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
0.6
S
14
0.6
S
13
0.8
NW
13
0.6
S
12
0.6
S
12
0.7
S
21
0.7
NW
12
0.7
NNW
11
0.6
S
13
0.9
E
7
0.8
E
7
Energy kJ
155
93
93
142
58
56
27
79
73
148
144
127
205
105
103
445
142
111
116
76
68
Swell 3
Height (m)
Direction
Period (s)
0.4
NW
10
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
0.2
SSE
8
0.3
SE
8
0.6
S
13
0.4
NNW
14
0.4
S
23
0.6
N
11
0.6
N
10
0.6
N
10
0.5
NNE
11
0.5
S
12
0.5
N
10
Energy kJ
24
46
46
12
9
10
49
15
79
8
7
11
121
81
167
88
74
74
65
72
48
Wind waves
Height (m)
Direction
Period (s)
1.8
ENE
8
1.7
ENE
8
1.8
ENE
6
1.9
ENE
7
1.5
ENE
8
1.6
ENE
7
1.7
ENE
7
1.6
ENE
7
1.6
ENE
7
1.6
E
7
1.4
E
7
1.2
ENE
7
1.3
E
7
1.3
ENE
7
1
E
7
1.1
E
7
1.3
E
6
1
E
7
0.9
ENE
7
Energy kJ
418
376
223
375
253
268
278
232
238
269
203
164
171
161
100
124
132
97
84
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
2
1
1
2
1
2
2
2
2
2
1
2
2
2
3
3
2
2
Distance (km)
20
159
157
10
9
17
10
15
9
9
2
157
0
0
9
0
0
2
0
0
0
Best forecast wave conditions in Oahu
Rating
(10 max)
3
2
2
2
2
1
2
3
3
3
2
2
3
3
3
3
3
2
Best forecast wave conditions in United States
Rating
(10 max)
3
1
2
2
2
2
2
1
2
3
4
2
4
2
2
4
3
3
4
3
2
Header Global
Rating
(10 max)
5
5
5
4
4
4
9
9
8
7
7
6
6
9
8
9
5
5
4
5
5
  • 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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