Turtle Bay surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 1 am Wednesday 04 Mar 2026 HST
Forecast update in hr  min  s Forecast update imminent
Turtle Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Turtle Bay sea temperature is
24.1° C
(Which is normal for this time of year)

Best Forecast Surf Conditions for Turtle Bay this week:

The surf forecast for Turtle Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Mar 09) at 2PM. The primary swell is predicted to be 0.4m and 18s period with a secondary swell of 0.4m and 10s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Turtle Bay in the next 12 days are 0.9m 12s and forecast to arrive on Friday (Mar 06) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 9s period and expected on Saturday (Mar 07) at 5PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Mon 9th Mar)1.5ft (0.4m) 18s
Best Surf 2PM (Mon 9th Mar)1.5ft (0.4m) 18s
Most Powerful11PM (Fri 6th Mar)3ft (0.9m) 12s

Table - best surf conditions forecast for Turtle Bay over the next 12 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Fri morning. Warm (max 24°C on Thu afternoon, min 22°C on Wed morning). Mainly fresh winds.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sat night. Warm (max 24°C on Mon afternoon, min 22°C on Sat morning). Winds decreasing (fresh winds from the E on Sat night, light winds from the SE by Mon afternoon).

Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
Tuesday
10
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.8
NW
0.7
NW
0.6
NW
0.4
NW
0.3
NW
0.6
NW
0.7
NW
0.7
NW
0.9
NW
0.7
NW
0.7
NW
0.7
NW
0.8
NW
0.8
NW
0.7
NW
0.4
NW
0.4
WNW
0.5
WNW
0.6
WNW
0.5
WNW
0.4
WNW
Period(s) (?)111010101614131312121211121111181816151413
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1651067934401601701782161471401331751531168112014614211167
Wind
(km/h)
35
ESE
30
E
30
ESE
30
E
25
ESE
25
ESE
30
ESE
25
ESE
35
E
35
ESE
30
ESE
35
E
30
ESE
30
ESE
25
ESE
15
ESE
20
SE
15
SE
25
SSE
25
SSE
30
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoffoff
High Tide
/ height (m)
3:33PM
0.56
3:26AM
0.61
4:12PM
0.58
3:36AM
0.56
4:54PM
0.59
3:39AM
0.51
5:41PM
0.58
3:25AM
0.47
6:44PM
0.56
2:05AM
0.46
8:40PM
0.55
10:58PM
0.58
Low Tide
/ height (m)
9:34AM
0.18
9:21PM
0.22
9:50AM
0.16
9:59PM
0.29
10:06AM
0.15
10:38PM
0.35
10:23AM
0.14
11:24PM
0.41
10:41AM
0.15
1:03AM
0.46
11:03AM
0.16
11:33AM
0.18
Wednesday
04
Thursday
05
Friday
06
Saturday
07
Sunday
08
Monday
09
Tuesday
10
Sunrise6:50--6:48--6:48--6:47--6:47--6:46--6:45--
Sunset-6:37--6:37--6:37--6:37--6:37--6:38--6:38-
clear
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
cloud
part cloud
thunderstorm
rain showers
part cloud
clear
part cloud
cloud
cloud
part cloud
thunderstorm
thunderstorm
Rain (mm)
------1----11------12
Temp. °C232322232423232322232323232322232423252624
Feels °C (?)202019212222212120202020192019222522232422
  • 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 Turtle Bay Surf forecast

The above surf forecast table for Turtle Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Turtle Bay can be found by selecting the local surf guide option on the grey menu. Our Turtle Bay 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 (Turtle Bay) 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 Turtle Bay 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.

Turtle Bay is 23 km (14 miles) from Wahiawa. If you plan a vacation in Oahu, look for hotels and other accommodation in Wahiawa. Wahiawa has rooms for a wide range of budgets as well as car hire and transport links.

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