Punta Cana Sargassum Forecast — Next 7 Days, Beach by Beach
Updated June 12, 2026 from Copernicus satellite data — refreshed 4× per day.
Most sargassum forecasts for Punta Cana give you one verdict for the whole coast — usually based on government imagery that is days old by the time it is published. This page works differently. We run a dedicated forecast for each of the 12 beaches we track, from Uvero Alto down to Juanillo, because conditions genuinely diverge: a mat that buries Macao can miss Cap Cana entirely. Every morning the model ingests the latest Copernicus satellite pass, checks what is drifting offshore, and projects landings for the next seven days. You get a day-by-day outlook per beach, not a regional average. And because four satellite updates a day feed the model, what you read here reflects today's ocean, not last week's. Use it to pick your beach days before the seaweed picks them for you.
7-day forecast — Punta Cana
- Bavaro Beach (Clean, Beach Score 73/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Moderate · Tue: Moderate · Wed: Moderate · Thu: Moderate
- Playa Los Corales (Clean, Beach Score 73/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Moderate · Tue: Moderate · Wed: Moderate · Thu: Moderate
- El Cortecito (Clean, Beach Score 73/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Moderate · Tue: Moderate · Wed: Moderate · Thu: Moderate
- Arena Gorda (Clean, Beach Score 73/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Moderate · Tue: Moderate · Wed: Moderate · Thu: Moderate
- Cabeza de Toro (Clean, Beach Score 75/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Moderate · Tue: Moderate · Wed: Moderate · Thu: Moderate
- Macao Beach (Clean, Beach Score 76/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Moderate · Tue: Moderate · Wed: Moderate · Thu: Moderate
- Uvero Alto (Clean, Beach Score 76/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Moderate · Tue: Moderate · Wed: Moderate · Thu: Moderate
- Juanillo Beach (Cap Cana) (Clean, Beach Score 75/100) — Fri: Clean · Sat: Moderate · Sun: Avoid · Mon: Avoid · Tue: Moderate · Wed: Moderate · Thu: Moderate
- Playa Blanca (Cap Cana) (Clean, Beach Score 75/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Avoid · Tue: Moderate · Wed: Moderate · Thu: Moderate
- Punta Cana Beach (Clean, Beach Score 75/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Avoid · Tue: Moderate · Wed: Moderate · Thu: Moderate
- Playa Cortecito Sur (Clean, Beach Score 73/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Moderate · Tue: Moderate · Wed: Moderate · Thu: Moderate
- Playa Bibijagua (Clean, Beach Score 73/100) — Fri: Clean · Sat: Moderate · Sun: Moderate · Mon: Moderate · Tue: Moderate · Wed: Moderate · Thu: Moderate
How our forecast works
We start with AFAI (Alternative Floating Algae Index), the spectral signature that lets Copernicus and NOAA satellites detect floating sargassum mats from orbit. Each detected mat is projected forward using wind and surface-current data — sargassum drifts at roughly 2.5% of wind speed plus the local current. For seaweed already on a beach, we apply exponential persistence with a 3.5-day half-life: it decays unless new material arrives. The model then scores each beach daily, from clean to avoid. Community reports from beachgoers correct the satellite view when clouds block a pass. Accuracy is highest for days 1–3, and the entire forecast is recalculated with every satellite refresh — four times a day.
Live Sargassum Map of Punta Cana · Punta Cana Beaches Without Sargassum Today · Sargassum Season in Punta Cana — 2026 Month-by-Month · Live map
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