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Surf forecast for Magnet Bay

Tide
⏱️s.
⚡️kJ
Timezone:
Pacific/Auckland
Forecast updated:
19/06, 18:00
Wind: SN UNITY Atmos
(20260618 12z)
Waves: SN UNITY WAVE
(20260618 12z)
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Magnet Bay Surf Forecast Guide

Overview

Magnet Bay is a small scenic cove with a left reef breaking over boulders. It has been surfed since the early 60s by the Midshore Boardriders club. The lefts don’t really wrap, but the walls can be pretty juicy and the ride length can be good.

When It Works

Magnet Bay is consistent and works on southwest to southeast swell, with south as the optimal direction. It is usable from 0.9 m / 3 ft to 2.4 m / 8 ft.

Wind and Tide

A north wind is offshore, and the spot can handle any north wind. It works on low and mid tide, with a rising tide better. When it’s bigger, it handles more tide.

Local Tips

This is more of an intermediate spot. It can get a moderate crowd at times. Beginners and mal riders are better off at the more sheltered beaches to the east, Tumbledown Bay and Te Oka Bay, rather than taking on Magnet Bay’s boulders and bull kelp.

Access

From Christchurch, drive through Halswell on Christchurch Akaroa Road Highway 75, through Tai Tapu, past Birdlings Flat, and on to Little River. As you enter Little River, turn right onto Wairewa Pa Road toward the southern bays, then take the first right onto Kinloch Road. At the summit, where the road turns to gravel, turn right onto Bossu Road, then take the first left onto Te Oka Bay Road. At the first farmhouse, turn right onto Magnet Bay Road.

At the end of the road, park on the grass opposite the farmers. From there it’s about a 2-minute walk across the paddock to the beach. Free roadside parking is available.

Surf spots near Magnet Bay

Hickory Bay
Canterbury Region, New Zealand
Beach break
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Goughs Bay
Canterbury Region, New Zealand
Beach break
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Taylors Mistake
Canterbury Region, New Zealand
Beach break
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Te Oka Bay
Canterbury Region, New Zealand
Beach break
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Magnet Bay
Canterbury Region, New Zealand
Reef break
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23

Frequently asked questions

What are good surfing conditions for Magnet Bay?

Magnet Bay is usually best with swell from southwest to southeast (SW-SE), ideally south (S) around 0.9 m / 3 ft to 2.4 m / 8 ft, north (N) offshore wind, and low to mid tide.

Where is the surf spot Magnet Bay?

Magnet Bay is a surf spot in Te Oka, Canterbury Region, New Zealand.

What is the surf break like at Magnet Bay?

Magnet Bay is a left reef break over boulders. Expect a moderate crowd.

What surfing skill level is Magnet Bay suitable for?

Magnet Bay can suit intermediate surfers.

Is Magnet Bay beginner friendly for surfing?

Magnet Bay is better suited to intermediate surfers.

How consistent is the surf at Magnet Bay?

Magnet Bay is one of the more consistent surf spots in Canterbury Region, New Zealand.

Is there parking for surfing at Magnet Bay?

Parking around Magnet Bay: free parking and roadside parking.

What surf spots are near Magnet Bay?

Other nearby surf spots are Te Oka Bay, Goughs Bay, Taylors Mistake, and Hickory Bay.

What swell direction works for surfing at Magnet Bay?

Magnet Bay can work with swell from southwest to southeast (SW-SE); south (S) is usually best.

What swell size works for surfing at Magnet Bay?

Magnet Bay usually works with swell around 0.9 m / 3 ft to 2.4 m / 8 ft.

What wind direction is best for surfing at Magnet Bay?

North (N) offshore wind is usually best at Magnet Bay.

What wind direction is offshore for surfing at Magnet Bay?

North (N) is offshore at Magnet Bay.

What tide works best for surfing at Magnet Bay?

Magnet Bay works best around low to mid tide. A rising tide is usually better here.

Readme

Welcome! If you’re new to surf forecasting, check out this quick guide.

Forecast Table

The forecast table (the section on the page with all the numbers) is designed to pack as much information in the screen as possible. Although intimidating at first, it will help you make informed decisions about the waves faster, trust me :D. The table consists of roughly four sections, time and predictions, wind, waves, and tides:

🔮 Time and predictions section

Here we show the forecast thour and the overall surf quality prediction. This is determined based on the wave, wind and tide quality prediction. These individual predictions can be found on the forecast map.

💨 Wind section

The first row on the table (with the 💨 icon) shows wind speed, direction and gust. The more the wind speed the more aggressive the color (from blue, green, orange to red).

🌊 Wave section

The waves section consists of three rows, one for wave height and direction, one for period and one for wave energy. Our algorithm chooses the "dominant wave" using spot-adjusted surf energy (depth + directional fit). This is usually the first swell partition, but during local storms it can switch to wind waves. If that happens, values are shown in gray and italic.

🌒 Tide section

The tide section consists of a row with the actual heights per hour (measured at the half hour) and a table that displays the flow of the tide and the extremes (lows and highs).

Forecast map

The forecast map consists of arrows. These arrows represent all wave partitions (swell partitions and wind wave partition) and the wind. This allows you to see things like: a secondary swell or wind waves messes up the surf, or the wind is just a tick offshore so very surfable. Click a metric label in the bottom left to bring that arrow to the front — handy when arrows overlap.

Forecast Cheat Sheet

Short on time? Focus on wave energy. It’s the best single metric to gauge how big and powerful the waves will be.

Click any table cell to jump to that forecast hour. The map will update with forecast arrows, so you can see if wind and swell direction are lining up.

Use the table sidebar to switch units for height and speed.

Log your surf sessions to compare forecasts with real sessions and sharpen future predictions.

Models and Updates

Surfnerd blends multiple global and local wind and swell models using advanced interpolation and spatial techniques to create an "ensemble" forecast. Forecasts are refreshed hourly.

Surf Predictions

Our AI-driven algorithm scores surf quality, shown by green, orange, and gray dots. Each forecast hour is rated for wind, swell, and tide quality, then combined into an overall score. Here’s the scale:

Perfect
Good
Average
Bad or No Data

Session logs also feed the algorithm — the more you log, the smarter your forecasts get.

With Surfnerd, no more "you should have been here yesterday"

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Confidence

Confidence tells you how much the weather models agree on the forecast.

  • High confidence: Models agree closely; forecast is reliable.
  • Medium confidence: Some disagreement; conditions may shift slightly.
  • Low confidence: Models diverge; treat forecast with caution.

We calculate the wind confidence by comparing wind speed, gust and direction from multiple models (like GFS, ECMWF, Arome, and Harmonie) and seeing how closely they match. For wave certainty we compare height, period and direction, also on multiple models. They are weighted, meaning that some models count more than others, depending on how good they are for a certain spot.

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