Waikokos surfForecast / HAW – Kaua'i / USA

information circle12 Day Weather and Surf, issued 1 pm Saturday 17 Jan 2026 HST
Forecast update in hr  min  s Forecast update imminent
Waikokos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waikokos sea temperature is
25.3° C
(Which is 1.2°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Waikokos this week:

The surf forecast for Waikokos over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Jan 18) at 8AM. The primary swell is predicted to be 2.5m and 17s period with a secondary swell of 1.6m and 12s. Another secondary swell of 1.8m and 12s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Waikokos in the next 12 days are 2.5m 16s and forecast to arrive on Sunday (Jan 18) at 11AM. Winds are predicted to be cross-shore at the time the swell arrives.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+) 8AM (Sun 18th Jan)8ft (2.5m) 17s
Best Surf 8AM (Sun 18th Jan)8ft (2.5m) 17s
Most Powerful11AM (Sun 18th Jan)8ft (2.5m) 16s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 24°C on Mon morning, min 20°C on Sat night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 27mm), heaviest during Wed afternoon. Warm (max 23°C on Tue afternoon, min 18°C on Wed afternoon). Winds increasing (calm on Tue afternoon, fresh winds from the N by Wed morning).

Sat
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
3
3
4
4
3
3
4
4
4
3
0
1
2
1
1
2
2
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.7
N
1.4
N
2.5
NW
2.5
NW
2.1
NW
1.5
NW
1.3
NW
1.5
NW
1.8
NW
1.8
NW
1.6
NW
2.5
NW
2
WNW
1.9
NW
2.1
NW
1.9
NW
1.2
NW
1.7
NNW
1.8
NNW
1.7
NNW
1.3
NNW
Period(s) (?)121216161413131615141315141313131313121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)78951737723455168875552011801325125384129021644132713651230471998996797366
Wind
(km/h)
20
E
15
ESE
20
ESE
15
ESE
10
SSE
5
SE
5
ENE
5
S
5
E
0
NNW
15
NW
25
NNE
15
NNE
15
NNE
20
NE
15
NE
15
ENE
10
ENE
15
ENE
15
E
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscrosscrosscross-
off
glassglassoffglassglasscrossonononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
3:06AM
0.68
2:23PM
0.19
3:35AM
0.68
3:03PM
0.21
4:03AM
0.66
3:47PM
0.23
4:30AM
0.62
4:39PM
0.27
4:56AM
0.57
5:40PM
0.30
5:21AM
0.50
6:51PM
0.35
5:44AM
0.42
Low Tide
/ height (m)
7:00PM
-0.09
9:47AM
0.07
7:36PM
-0.09
10:09AM
0.07
8:11PM
-0.07
10:32AM
0.06
8:49PM
-0.03
10:56AM
0.05
9:30PM
0.02
11:23AM
0.03
10:19PM
0.09
11:52AM
0.02
11:25PM
0.17
12:26PM
-0.00
Sat
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Sunrise--7:18--7:18--7:18--7:18--7:18--7:18--7:18
Sunset6:15--6:16--6:17--6:17--6:19--6:20--6:20--
part cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
part cloud
clear
part cloud
rain showers
mod rain
mod rain
mod rain
light rain
light rain
part cloud
part cloud
part cloud
part cloud
clear
Rain (mm)
----------279621-----
Temp. °C232223232124242224232220192020212021222023
Feels °C (?)201920212024242324242417161918201920201922
  • 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 Waikokos Surf forecast

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

Are you planning a vacation in Kaua'i? If you are looking for accommodation near Waikokos, camping, hotels and condos and appartments in Kaua'i, consider staying in Lihue - Kauai which is 32 km (20 miles) away. Alternatively, find information about places to stay and car hire in Nawiliwili which is 32 km (20 miles) away

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