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Surf Forecasts:

Turtle Bay surfForecast / HAW – Oahu / USA

information circle48hr Weather and Surf, issued 1 pm Wednesday 18 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
24.3° C
 (Which is normal for this time of year)

How big are the waves at Turtle Bay today?

The current surf forecast for Turtle Bay at 9PM is: 1.6m 12s primary swell from a North-northwest direction (forecast issued at 01:00pm March 18). An open ocean swell of 0.2m 15s is not directed at the surf break, a second open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (HST) & DateWave HeightWave Period
Morning (18 Mar)5.5ft (1.7m)13s
Afternoon (18 Mar)6ft (1.8m)12s
Evening (18 Mar)5ft (1.6m)12s

Table - waves today at Turtle Bay. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
Saturday
21
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
4
3
3
3
3
3
3
3
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.9
NNW
1.9
NNW
1.8
NNW
1.7
NNW
1.6
NNW
1.5
N
1.5
N
1.5
N
1.4
N
1.3
N
1.3
N
1.2
N
1.1
N
1.1
N
1.1
N
1.1
N
1.1
N
1.3
N
1.3
N
1.3
N
1.3
N
1.3
N
1.3
N
1.3
N
Period(s) (?)121212121211111111111111101010101010121111111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10851019901847730596576553475403389319259249244239237340456403396388367374
Wind
(km/h)
15
E
15
E
15
ESE
15
ESE
15
ESE
10
SE
10
ESE
10
SE
15
ESE
15
ESE
15
SE
20
ESE
15
SE
10
SSE
10
S
10
SSE
10
SSW
15
SSW
15
SSW
10
S
10
SSW
10
SSW
5
SSE
10
SSW
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		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off
High Tide
/ height (m)
2:42PM
0.58
2:36AM
0.63
3:24PM
0.64
2:53AM
0.58
4:10PM
0.67
3:07AM
0.52
Low Tide
/ height (m)
8:40AM
0.16
8:33PM
0.21
8:58AM
0.12
9:19PM
0.26
9:18AM
0.09
10:09PM
0.32
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise-------6:37-------6:35-------6:35
Sunset--6:42-------6:42-------6:43-----
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
--------111-11---2221314
Temp. °C232324232323232324252524242423242526262424232323
Feels °C (?)242325242425252524252525252625262727272627252625
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Turtle Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Turtle Bay at:
surf-forecast.com

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