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Turtle Bay surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 am Monday 20 Jan 2025 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
25.1° C
(Which is 1.0°C warmer than 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 (Jan 20) at 2PM. The primary swell is predicted to be 2.1m and 13s period with a secondary swell of 0.9m and 5s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Turtle Bay in the next 12 days are 3.0m 14s and forecast to arrive on Wednesday (Jan 22) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Saturday (Jan 25) at 2PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 2PM (Mon 20th Jan)7ft (2.1m) 13s
Best Surf 2AM (Fri 24th Jan)8ft (2.5m) 12s
Most Powerful11PM (Wed 22nd Jan)10ft (3.0m) 14s

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

Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
NW
1.9
NNW
1.5
NW
1.3
NW
0.8
NW
1.5
NW
2
NW
2.3
NW
3
NW
2.5
NNW
2.5
NNW
2.5
NNW
2.2
NNW
2.5
N
2.3
N
1.8
NNW
1.6
N
1.2
NNW
0.8
NW
1
NW
1.1
NW
1.6
NW
1.9
NNW
1.7
NNW
1.3
NNW
1.1
NW
1
NNW
0.9
NW
0.7
N
0.6
N
0.7
NNW
0.7
N
0.8
N
0.9
NW
1.9
NW
2.5
NW
Period(s) (?)131312121816151414131312121212111010141312121111101010121211101514161514
Wave
Graph
(?)Metric surfscale
Energy (?)1006115263449446311511715226330912253192918461402214815137925622942483453927068606853892251861991368411222425343214462667
Wind
(km/h)
25
ENE
20
NE
20
ENE
10
ESE
5
NNE
10
WSW
20
NW
30
NNW
20
NW
15
N
10
N
5
NE
15
NE
20
NE
20
ENE
25
E
15
E
10
SSE
20
W
15
WSW
10
WNW
5
ENE
5
NE
10
SE
5
ESE
10
ENE
15
ESE
5
SSW
25
S
15
S
10
S
15
SSW
15
SSE
5
NNE
5
WNW
20
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
off
cross-
on
crossononononcross-
on
glasscrosscrosscrosscross-
off
cross-
off
offcrosscrosscross-
on
crossglassoffcross-
off
crosscross-
off
cross-
off
offoffoffcross-
off
offglasscross-
on
on
High Tide
/ height (m)
5:03AM
0.51
12:38AM
0.53
12:39AM
0.60
1:03AM
0.66
1:31AM
0.71
1:59AM
0.76
11:03AM
0.32
2:28AM
0.80
12:23PM
0.34
2:57AM
0.83
1:17PM
0.36
3:25AM
0.84
2:07PM
0.38
3:52AM
0.82
2:58PM
0.41
4:17AM
0.79
3:54PM
0.43
4:40AM
0.73
Low Tide
/ height (m)
1:23PM
0.22
1:59PM
0.20
2:48PM
0.18
3:47PM
0.15
4:46PM
0.11
5:36PM
0.07
10:28AM
0.32
6:21PM
0.03
10:00AM
0.32
7:02PM
-0.00
10:08AM
0.31
7:41PM
-0.01
10:24AM
0.29
8:19PM
0.01
10:43AM
0.27
8:57PM
0.06
11:04AM
0.25
9:37PM
0.13
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
Sunrise7:11--7:11--7:11--7:11--7:11--7:11--7:11--7:11--7:11--7:09--7:09--7:09--
Sunset-6:13--6:14--6:14--6:15--6:15--6:15--6:16--6:17--6:17--6:19--6:20--6:20-
part cloudpart cloudpart cloudpart cloudpart cloudpart cloudlight rainlight rainpart cloudcloudpart cloudclearpart cloudpart cloudpart cloudpart cloudclearrain showerslight rainrain showersthunderstorm part cloudrain showersrain showerspart cloudpart cloudpart cloudpart cloudpart cloudclearclearclearclearclearclearrain showers
Rain (mm)
------41---------1512-11-----------3
Temp. °C232222232322222221212120212121232322222423232222232423252624252624242423
Feels °C (?)212020232323221918191919191919212123222322242324252524272825262625272525

Short Range Forecast: Light rain (total 5mm), mostly falling on Wed morning. Warm (max 23°C on Mon morning, min 20°C on Wed morning). Winds increasing (calm on Tue night, fresh winds from the NNW by Wed afternoon).

Days 3-6 Weather Summary Some drizzle, heaviest during Sat night. Warm (max 23°C on Sat morning, min 20°C on Thu morning). Wind will be generally light.

Days 6-9 Weather Summary Moderate rain (total 10mm), heaviest on Sun morning. Warm (max 24°C on Sun afternoon, min 22°C on Sun morning). Wind will be generally light.

Long Range Forecast: Light rain (total 3mm), mostly falling on Fri night. Warm (max 26°C on Wed afternoon, min 21°C on Sat morning). Wind will be generally light.

  • 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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