Monster Hole Surf Forecast

Tide
⏱️s.
⚡️kJ
Tijdzone:
America/New_York
Forecast bijgewerkt:
13/06, 20:00
Wind: SN UNITY Atmos
(20260614 00z)
Golven: SN UNITY WAVE
(20260614 00z)
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Golfopbouw

Swell 1Swell 2Swell 3Wind waves

Monster Hole Surf Forecast Eigenschappen

Swell venster
N - ZO
(Beste uit NO)
Swell hoogte
4ft - 20ft
Swell breekt over
Rots Riggel, Zand
Golftypes
Rivier monding
Golfrichtingen
Links, Rechts
Wind venster
W - W
(Offshore uit W)
Werkende getijden
Laag, Mid, Hoog
Niveau
Gevorderde

Monster Hole Surf Forecast Gids

Monster Hole is a surf spot located on the south side of the inlet. It’s known for attracting both surfers and anglers, but it also has a reputation for its shark presence, which makes the 200-yard paddle out feel more challenging. When the conditions are right, particularly during a decent northeast swell hitting at low tide, this place can serve up some good waves, especially if you’re willing to brave the conditions. Overall, it’s a mixed bag—sometimes you’ll find it firing, and other times it’s just not worth the effort.

The waves here can hit around 4 ft (about 1.2 meters) and break over both rock ledges and sand. Look for long, well-shaped lefts and a few rights that bring you back towards the inlet. It works on all tides, but low incoming tides are generally easier to navigate due to the rip currents. Be aware that the outgoing tide continues running for about an hour and a half after low tide on the beach, which can make paddling back out tough. It’s not uncommon to have a session with only a couple of other surfers out, especially when it's firing, but don’t lose track of your board; you definitely don’t want to get caught in that current.

Monster Hole is also affected by wind, ideally working with a west wind to keep it clean. There's quite a bit of boat traffic in the area, so keep an eye out for that. Overall, this spot is best for intermediate surfers who can handle the strong rips and the occasional sea-lice. Despite the challenges, when you’re on a good day, the length of ride and varied sections can make it worth your while.

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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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.

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