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Riverton Rocks

Riverton, New Zealand

🪨Rocks

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Long rights over boulders at The Rocks, Riverton, best when a big S swell wraps into the point at low tide. Stewart Island blocks the direct S-SW swell, so it needs size; a friendly wave when it works. It works best on a SSW swell with WNW winds around low tide. Watch for: boulders.

Riverton Rocks surf forecast

Model forecast for swell, wind and tide.

10-Day Forecast

Today20

Poor

1.4mSW@11s

16km/h

1.4m@11s

16km/h

Wed21

Poor

1.4mWSW@12s

19km/h

1.4m@12s

19km/h

Thu22

Poor

1.7mWSW@12s

20km/h

1.7m@12s

20km/h

Fri23

Fair

1.6mWSW@15s

13km/h

1.6m@15s

13km/h

Sat24

Fair

2.1mWSW@15s

23km/h

2.1m@15s

23km/h

Sun25

Poor

2.3mWSW@14s

25km/h

2.3m@14s

25km/h

Mon26

Poor

1.6mWSW@13s

25km/h

1.6m@13s

25km/h

Tue27

Poor

1.9mWSW@10s

23km/h

1.9m@10s

23km/h

Wed28

Poor

3.1mWSW@11s

23km/h

3.1m@11s

23km/h

Thu29

Poor

1.7mWNW@9s

26km/h

1.7m@9s

26km/h

Groomed 5+ days out, less certain

View 2-year historical scores →

Today's ConditionsToday's Conditions

Find Flights

Best session: MorningAM 6 km/h · PM 25 km/h Groomed

Swell

1.4m

SW(236°)

Score: 5/25

Period

11s

Mid-period swell

Score: 4/25

Wind

16km/h

W(266°)

Score: 8/25

Weather

14°C

0.0mm55%

First light 6:14amSunrise 6:44amSunset 8:21pmLast light 8:51pm

Windswell

1.3m@4s

Secondary

0.5m

Confidence

100%

Location & Conditions

Loading map...

Swell1.4m @11s SW outside window

Wind16 km/h W offshore

SwellWind: Offshore Cross OnshoreShaded = inside ideal window

Showing forecast for today · all day

Hourly Forecast, Tide & Strike Windows

Strike window: 12:00–4:43pm · through lowIdeal tide: low

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

6am

9am

12pm

3pm

6pm

°C

11°

13°

16°

10°

14°

18°

17°

18°

13°

16°

14°

12°

16°

20°

21°

20°

12°

15°

19°

17°

13°

16°

18°

19°

17°

16°

17°

18°

16°

11°

6°

7°

10°

12°

11°

13°

15°

13°

10°

12°

10°

4m2.0

sec

11s

12s

15s

14s

13s

10s

11s

swell

windkm/h

2g9

9g16

16g27

27g44

23g46

12g21

18g28

18g35

24g40

17g34

23g41

24g39

17g33

16g26

23g38

5g10

7g12

19g34

19g33

15g33

12g21

21g34

26g44

25g43

15g28

15g30

24g41

36g55

35g63

28g56

29g57

27g55

18g55

27g55

21g44

22g48

25g55

25g57

22g54

15g32

19g36

27g44

28g51

25g56

17g40

23g43

28g47

30g52

30g57

tidem

1:58am0.3m

8:20am1.5m

2:22pm0.5m

8:34pm1.5m

2:53am0.3m

9:15am1.6m

3:15pm0.4m

9:30pm1.6m

3:38am0.3m

10:03am1.8m

4:10pm0.3m

10:12pm1.7m

4:22am0.1m

10:43am1.8m

4:49pm0.2m

5:09am0.1m

11:22am2.0m

5:30pm0.1m

5:50am0.0m

11:58am2.1m

6:08pm0.1m

6:36am0.1m

12:36pm2.2m

6:48pm0.0m

1:03am2.5m

7:13am0.2m

1:19pm2.5m

7:37pm0.1m

1:50am2.5m

7:59am0.2m

2:10pm2.5m

8:30pm0.2m

2:41am2.4m

8:50am0.2m

Ideal tide (from tide preference)Strike windowNight

Tide times today

1:58 am

Low · 0.31m

8:20 am

High · 1.47m

2:22 pm

Low · 0.46m

8:34 pm

High · 1.53m

Times shown in spot-local time.

Strike Score Breakdown

Poor

Components

Swell Direction6/25

Swell Size5/25

Swell Period4/25

Wind8/25

Raw Score23/100

Adjustments

✨ Wind History+6

🌊💨 Windswell-5

💨 Gusty Wind-5

📉 Undersized Swell-9

🚫 Undersized Capmax 64

Adjusted Score10/100

Confidence

Multiplier×1.00

Final Score10

✨ Groomed🌊💨 Windswell

Plan Your Strike

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Location & Conditions

Loading map...

Swell1.4m @11s SW outside window

Wind16 km/h W offshore

SwellWind: Offshore Cross OnshoreShaded = inside ideal window

Showing forecast for today · all day

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Spot Details

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Swell Requirements

Optimal direction: SSW (195°)
Direction range: 150° - 235°
Size range: 1.6m - 4.4m
Ideal size: 2.9m - 3.7m
Height multiplier: 0.97×
Ideal period: 15s+

Wind Requirements

Optimal direction: WNW (300°)
Offshore range: 250° - 350°

Tide Requirements

Optimal tide: low

Water temp

12°C

Wetsuit

5/4mm + boots

Difficulty

4/10

Crowd level

3/10

Frequently Asked Questions

What tide is best at Riverton Rocks?

The Riverton Rocks profile favors low tide. Compare this preference with the forecast tide and local conditions before choosing a session.

What wind direction is offshore at Riverton Rocks?

The Riverton Rocks profile uses wind from WNW (300°) as its preferred direction, with an offshore range of 250° to 350°. Wind speed matters too: light winds outside that range can still produce surfable conditions, while strong offshore winds can make takeoffs difficult.

What swell size and direction work best at Riverton Rocks?

The Riverton Rocks scoring profile favors swell from SSW (150° to 235°), a swell-height range of 1.6m to 4.4m, and a reference period of 15s. These are model inputs, not guaranteed breaking-wave heights or a promise that the surf will suit every ability.