Muriwai Beach
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Hourly Forecast
Timezone: Pacific/Auckland
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Saturday 13
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Monday 15
Tuesday 16
Wednesday 17
Thursday 18
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Muriwai Beach surf guide

Muriwai Beach is a well-known surf spot located on the west coast of New Zealand, not far from Auckland. It's a popular beach, and you can expect to see some crowds, especially on weekends. It features a long stretch of sand and is notable for its scenic gannet and seal colonies, which add to the natural vibe of the area. The beach is easily accessible with good parking options and facilities, plus there's a big motor park behind the dunes, making it a convenient spot for surfers and beachgoers alike.

The surf here can be a bit hit or miss. It generally handles swell sizes up to around 2ft (0.6 meters) and is best with a SouthWest swell direction, although it can also work with South and NorthWest swells. The waves are primarily beach breaks and can come left or right, making it suitable for beginners who are just getting the hang of riding. For the best results, try to surf at low, mid, or high tide, coupled with an East wind to keep the conditions manageable. Do keep in mind that the peaks can be shifty due to the constantly moving sandbars, so it may take some time to find the right spot to catch a wave.

Muriwai Beach does have a reputation for being rippy and can be blown out at times, especially when the winds pick up. Many surfers often choose to head around the corner to Maori Bay when the surf is good, as it tends to have more defined peaks. If conditions are small, you can drive north towards Rimmer Rd on the beach highway, which can help you maximize wave sizes. This area attracts its share of surfers, but it's always good to check the conditions for the day as they can change quickly.

Surf reports and surf forecasts nearby Muriwai Beach

Orewa Beach/Bar
Auckland, New Zealand
Rivermouth break
Sat 13
Sun 14
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
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Mon 22
Tue 23
Wed 24
Long Bay
Auckland, New Zealand
Reef break
Sat 13
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Wed 17
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Fri 19
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Milford Reef
Auckland, New Zealand
Reef break
Sat 13
Sun 14
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
O'Neills Avenue
Auckland, New Zealand
Reef break
Sat 13
Sun 14
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Takapuna Reef
Auckland, New Zealand
Reef break
Sat 13
Sun 14
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Pouto
Northland, New Zealand
Point break
Sat 13
Sun 14
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Muriwai Beach
Auckland, New Zealand
Beach break
Sat 13
Sun 14
Mon 15
Tue 16
Wed 17
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Sun 21
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Wed 24
Piha
Auckland, New Zealand
Beach break
Sat 13
Sun 14
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Port Waikato Left
Waikato, New Zealand
Point break
Sat 13
Sun 14
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Port Waikato Left
Waikato, New Zealand
Point break
Sat 13
Sun 14
Mon 15
Tue 16
Wed 17
Thu 18
Fri 19
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Mon 22
Tue 23
Wed 24
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Wind certainty

Wind certainty tells you how much the weather models agree on the forecast.

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

We calculate this by comparing wind speed, gust and direction from multiple models (like GFS, ECMWF, Arome, and Harmonie) and seeing how closely they match. They are weighted, meaning that some models count more than others, depending on how good they are for a certain spot.

Readme

Welcome! If youโ€™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:

๐Ÿ”ฎ 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.

๐Ÿ’จ Wind section

The first row on the table (with the ๐Ÿ’จ icon) shows wind speed, direction and gust. The more the wind speed the more aggressive the color (from blue, green, orange to red).

๐ŸŒŠ 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 choices the "dominant wave". This is normally the first swell partition, but with heavy local storms it displays the wind waves. If that's the case, we display the numbers in italic and in gray.

๐ŸŒ’ 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 โ€” handy when arrows overlap.

Forecast Cheat Sheet

Short on time? Focus on wave energy. Itโ€™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. Hereโ€™s the scale:

Perfect
Good
Average
Bad or No Data

Session logs also feed the algorithm โ€” the more you log, the smarter your forecasts get.

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