Turtles Reef surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 pm Friday 26 Dec 2025 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
25.6° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Turtles Reef this week:

The surf forecast for Turtles Reef over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Dec 26) at 11PM. The primary swell is predicted to be 0.7m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Turtles Reef in the next 12 days are 2.1m 15s and forecast to arrive on Monday (Dec 29) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.4m 14s period and expected on Tuesday (Dec 30) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)11PM (Fri 26th Dec)2.5ft (0.7m) 8s
Best Surf11AM (Sun 28th Dec)3ft (0.9m) 12s
Most Powerful 5PM (Mon 29th Dec)7ft (2.1m) 15s

Table - best surf conditions forecast for Turtles Reef over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 2mm), mostly falling on Sat night. Warm (max 25°C on Fri afternoon, min 22°C on Sun morning). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Mon afternoon, min 22°C on Wed night). Wind will be generally light.

Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
1
1
0
2
2
2
2
3
0
0
0
0
0
1
1
1
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.9
NNE
0.5
W
0.9
SSE
0.9
SSE
0.7
SSE
0.9
WNW
0.9
WNW
0.9
NW
1.5
NW
2.1
NW
0.6
SSE
1.9
NNW
0.6
SSE
0.6
SSE
0.6
SSE
0.4
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
0.5
SW
Period(s) (?)1198891212131115914887161616151514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)042100876824522224955319875504845316812512210710499
Wind
(km/h)
20
E
15
SE
5
SW
5
WNW
5
E
5
NE
5
S
10
E
10
E
15
ESE
5
ENE
5
SE
15
ENE
10
ENE
25
ENE
20
E
15
ENE
15
ENE
25
ENE
20
ENE
30
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crossglassglassglassglassglassoffoffcross-
off
offcross-
off
offoffoffoffoffoffoffoffoff
High Tide
/ height (m)
10:19PM
0.39
8:13AM
0.48
11:28PM
0.49
8:56AM
0.40
12:22AM
0.59
9:58AM
0.33
1:10AM
0.68
11:25AM
0.26
1:56AM
0.76
12:45PM
0.23
2:41AM
0.82
1:51PM
0.21
3:25AM
0.85
Low Tide
/ height (m)
3:16PM
0.10
2:25AM
0.34
3:48PM
0.08
5:08AM
0.36
4:24PM
0.06
7:34AM
0.31
5:06PM
0.03
8:55AM
0.25
5:52PM
0.01
9:44AM
0.19
6:40PM
-0.02
10:25AM
0.15
7:29PM
-0.03
11:04AM
0.13
Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
01
Sunrise--7:07--7:07--7:09--7:09--7:09--7:09--7:09
Sunset5:58--5:58--5:59--5:59--6:00--6:00--6:00--
clear
clear
clear
part cloud
rain showers
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
cloud
Rain (mm)
----2----------------
Temp. °C252424242324242425252424252425252424252323
Feels °C (?)242526252627262626262526272423242323242221
  • 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 12 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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