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Karioitahi surfForecast / Raglan and West Waikato / New Zealand

information circle12 Day Weather and Surf, issued 5 pm Sunday 17 Aug 2025 NZST
Forecast update in hr  min  s Forecast update imminent
Karioitahi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Karioitahi sea temperature is
14.0° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Karioitahi this week:

The surf forecast for Karioitahi over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 19) at 3PM. The primary swell is predicted to be 2.5m and 11s period with a secondary swell of 1.1m and 13s. Another secondary swell of 1.6m and 8s is also forecast. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Karioitahi in the next 12 days are 5.0m 13s and forecast to arrive on Wednesday (Aug 20) at 3AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Saturday (Aug 23) at 3AM.

Wave TypeTime (NZST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Tue 19th Aug)8ft (2.5m) 11s
Best Surf 3PM (Tue 19th Aug)8ft (2.5m) 11s
Most Powerful 3AM (Wed 20th Aug)16ft (5.0m) 13s

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

Hourly12 Days
Raglan and West Waikato Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 

Short Range Forecast Heavy rain (total 21mm), heaviest during Tue afternoon. Very mild (max 15°C on Sun afternoon, min 8°C on Tue night). Winds increasing (calm on Sun afternoon, fresh winds from the W by Mon night).

Days 3-6 Weather Summary Mostly dry. Very mild (max 14°C on Fri afternoon, min 9°C on Wed night). Wind will be generally light.

Sun
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
1
0
2
0
0
0
!
!
!
!
!
4
!
4
4
4
4
4
4
3
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.2
SW
1.9
WSW
2
WSW
1.8
WSW
1.7
WSW
3.5
WSW
2.5
WSW
4
SW
4
SW
3
SW
2.4
SW
2
SW
2.1
SW
1.9
SW
1.7
SW
1.6
SW
1.7
SW
1.9
SW
1.7
SW
1.6
SW
1.3
WSW
Period(s) (?)141614161413111213121212141516151615141413
Wave
Graph
(?)Metric surfscale
Energy (?)867186016121696201171342932465775652538180716341962154213951187143115471203907851
Wind
(km/h)
10
NNW
20
SW
15
NW
30
W
25
WSW
20
WNW
20
WSW
20
SSE
25
S
25
SSW
10
SSE
15
SSE
10
SSW
10
E
15
ESE
10
SSE
10
E
15
E
5
SSE
10
E
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		ononononcross-
off		crosscrosscross-
off		cross-
off		crossoffoffcross-
off		offoffcross-
off		offoff
High Tide
/ height (m)
4:18AM
2.40
5:06PM
2.46
5:40AM
2.37
6:24PM
2.53
6:54AM
2.44
7:29PM
2.66
7:55AM
2.57
8:22PM
2.81
8:45AM
2.70
9:07PM
2.93
9:27AM
2.80
9:47PM
3.01
10:06AM
2.86
Low Tide
/ height (m)
10:06PM
0.78
10:40AM
0.72
11:27PM
0.81
11:59AM
0.71
12:44AM
0.72
1:08PM
0.61
1:47AM
0.57
2:05PM
0.46
2:39AM
0.42
2:53PM
0.33
3:23AM
0.29
3:36PM
0.23
4:02AM
0.20
Sun
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunrise--7:01--7:01--7:00--6:58--6:56--6:56--6:54
Sunset5:46--5:47--5:49--5:50--5:50--5:51--5:52--
rain showersclearlight rainthunderstorm thunderstorm thunderstorm mod rainrain showersclearclearpart cloudclearpart cloudpart cloudclearpart cloudclearclearclearpart cloudcloud
Rain (mm)
3-135261-------------
Temp. °C15131414121210910111012121312141212141113
Feels °C (?)1411119675634588108119911810
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Raglan and West Waikato

  1. weather stationWind Update The wind is still cross-on at Karioitahi (near gales from the SW at Kario 1 km from Karioitahi). 1.6m 17s long period groundswell from the WSW with a 0.7m 5s windswell from the WNW and a 0.4m 5s windswell from the NNW. 3 swells combining so expect closeout sets.

    1 hour 8 minutes ago Karioitahi
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1 h 8 min ago

54 km/h
SW
Cross-On
Please reload the page to see if there are any updates.

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 Karioitahi 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 Karioitahi at:
surf-forecast.com

Information about the Karioitahi Surf forecast

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

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