PierMonkey

Witch's Rock Alert Guide

Guanacaste, Costa Rica · part of the Witch's Rock spot guide

Witch’s Rock is forecast-only — the nearest NDBC buoy is roughly 800 km away in the wrong ocean — so this is a model-swell alert. A punchy beach break can throw faces at or above the open-ocean height below, and the east-to-northeast Papagayo offshore wind is what makes it fire. Crocodiles are present in the Río Naranjo estuary.

The forecaster's checklist

  1. 1.Want a south-to-southwest (or west-to-west-northwest) swell in the roughly 190-to-300° arc, with height around a metre or more.
  2. 2.Look for period of about 13 seconds or more — long period gives better shape and more push over the sandbars.
  3. 3.Score the offshore — the east-to-northeast Papagayo wind grooms hollow peaks — and go early before the wind or afternoon sea breeze turns it.
  4. 4.Aim for mid-to-high tide and avoid dead low, which gets shallow and close-out-prone over the inside sandbar.
  5. 5.Weight the season overlap (dry-season offshore plus enough swell), and confirm the boat and park-access window — it is remote and committing.

Local winds & tide

Best wind: E–NE offshore (the Papagayo winds) — from 20° to 90° (NNE–E).

Mid-to-high tide preferred; low tide gets shallow, dumpy and close-out-prone over the inside sandbar, and the beach-break bars shift the tide sensitivity with the current sand setup.

Dial it in

The dial-up: alert settings that catch it

When ALL of these line up in the 5-day forecast window, this spot is turning on.

NNNENEENEEESESESSESSSWSWWSWWWNWNWNNWswell window190°→300°best ~210°
Open-ocean swell height
≥ 3 ft
Swell period
≥ 13 s
Swell direction (from)
190°–300° (S–WNW)
Wind direction (from)
20°–90° (NNE–E)
No representative buoy on this coast — read these numbers against the 16-day spot forecast instead.
Researched from published surf journalism, oceanographic references and chart data; figures are approximate and confidence-checked. Updated 2026-07-06.