Turtles Reef surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 pm Tuesday 06 Jan 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
25.4° 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 Wednesday (Jan 07) at 2AM. The primary swell is predicted to be 0.7m and 18s period with a secondary swell of 1.2m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Turtles Reef in the next 12 days are 3.0m 17s and forecast to arrive on Monday (Jan 12) at 8PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 18s period and expected on Monday (Jan 12) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2AM (Wed 7th Jan)2.5ft (0.7m) 18s
Best Surf 8PM (Tue 13th Jan)8ft (2.4m) 14s
Most Powerful 8PM (Mon 12th Jan)10ft (3.0m) 17s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 25°C on Wed afternoon, min 22°C on Tue night). Winds decreasing (fresh winds from the ENE on Tue night, calm by Thu night).

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Sun night. Warm (max 25°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light.

Tue
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
2
2
2
2
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
SSE
0.7
NW
0.8
NW
0.8
NW
0.8
NW
0.7
NW
0.6
WNW
0.7
WNW
0.5
SSE
0.5
SSE
0.6
NNW
0.4
SSE
2.5
NNW
1.7
NNW
0.3
SSE
0.3
SSW
0.3
SSE
0.8
NW
0.4
NW
0.5
SE
0.2
SSE
Period(s) (?)918161514131212991891417111510211888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)22230029125522417810112947460320023422052283327
Wind
(km/h)
15
ENE
20
E
10
ENE
5
ENE
10
ESE
10
S
10
WSW
5
S
5
S
5
SSW
5
ESE
10
ESE
5
SE
10
E
5
SSE
10
SW
10
NNW
25
NNE
25
NNE
25
NE
15
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffcross-
off
cross-
on
onglasscrossglasscross-
off
cross-
off
cross-
off
offglassoncrosscross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
6:31PM
0.30
6:35AM
0.65
7:41PM
0.33
7:02AM
0.57
9:03PM
0.38
7:25AM
0.48
10:29PM
0.44
7:38AM
0.41
11:40PM
0.50
12:32AM
0.56
1:14AM
0.61
10:46AM
0.24
Low Tide
/ height (m)
11:22PM
0.15
1:54PM
0.11
12:14AM
0.23
2:24PM
0.11
1:24AM
0.31
2:53PM
0.11
3:29AM
0.37
3:25PM
0.11
4:02PM
0.11
4:45PM
0.11
10:21AM
0.24
Tue
06
Wednesday
07
Thursday
08
Friday
09
Saturday
10
Sunday
11
Monday
12
Sunrise--7:11--7:11--7:11--7:11--7:11--7:11--7:11
Sunset6:05--6:05--6:06--6:07--6:07--6:07--6:08--
cloud
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
rain showers
part cloud
clear
clear
clear
clear
rain showers
part cloud
part cloud
light rain
part cloud
Rain (mm)
----------2-----4--1-
Temp. °C242324252324242424242424252423242323232323
Feels °C (?)232024262426252726262726272625252521212123
  • Map Icons:
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  • 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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