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Splithari: the sea today

1 km from Steni Vala · Alonnisos municipality · Sporades regional unit

Is the sea flat at Splithari? Live wind, waves and a shelter score for this beach on Alonissos, updated every 2 hours.

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About Splithari

Splithari is a beach on Alonissos, facing south-east. Land shelters it from winds from the north, the south, the south-west, the west, and the north-west, so those winds leave the water flat here. Winds from the south-east arrive over open sea and raise waves when they are strong. No road or path to it is mapped: it may be reachable only by boat or over rocks. Nothing to eat or drink is mapped within 300 m, so bring water and shade. The sea is warmest in August, at about 26 °C. It is above 22 °C from June to September.

Written from map data (OpenStreetMap contributors), our own measurement of the open sea around the beach and NOAA sea temperatures (1991-2020 averages).

When is it busy?

Typical visitor levels around Alonissos, month by month.

Alonissos is busiest in August. In May, June, September, and October there are about half as many visitors, or fewer. For a flat sea and fewer people, the best months are June and September.

Visitor levels are nights spent in tourist accommodation in the Thessaly region (Eurostat, average of 2023–2025), compared with its busiest month. They show when the area is busy, not how many people are on a given beach.