Wind from the north
- Ag. NikolasCalm score 96 of 100
- MandrakiCalm score 95 of 100
- BistiCalm score 83 of 100
- Paralía BístiCalm score 66 of 100
Calm beaches in Hydra today
Which side of Hydra is sheltered from today's wind? 11 beaches ranked live, updated every 2 hours.
From us
Own a business near Hydra?
Tavernas, cafés, sunbed rentals and shops: a basic listing on these pages is free.
At a glance
Hydra beaches at a glance
- 11
- Mapped beaches
- 1
- Pebble beaches
- 4
- With a bar or taverna close by
- 4
- Secluded beaches
Most beaches face north-west (5). Wind from that side reaches them first; wind from the opposite side leaves them calm.
Shelter by wind direction
Which beaches are calm in each wind?
Wind direction decides everything. These are the Hydra beaches that stay calmest, and the ones that get roughest, in a strong wind (6 Bft) from each direction. It is computed from how much open sea lies upwind of each beach.
Wind from the east
- AvlakiCalm score 96 of 100
- KamíniaCalm score 96 of 100
- MandrakiCalm score 96 of 100
- Ag. NikolasCalm score 96 of 100
- BistiCalm score 96 of 100
- Paralía BístiCalm score 96 of 100
Wind from the south
- AvlakiCalm score 96 of 100
- KamíniaCalm score 96 of 100
- SpiliaCalm score 96 of 100
- BistiCalm score 96 of 100
- KaoumithiCalm score 96 of 100
- Paralía BístiCalm score 96 of 100
Roughest
- Ag. Nikolas 32
Wind from the west
- KamíniaCalm score 96 of 100
- Ag. NikolasCalm score 96 of 100
- BistiCalm score 96 of 100
- MandrakiCalm score 90 of 100
Roughest
- Avlaki 36
Beach guides
More guides for Hydra
A guide for every kind of beach, each one re-ranked live for today's wind.
Sea temperature
Sea temperature in Hydra, month by month
The average temperature of the sea near the beaches of Hydra, from 30 years of satellite measurements (NOAA, 1991–2020).
Warm-water seasonJun – Oct≥ 22 °C
Warmest month26 °CAugust
Coldest month15 °CFebruary
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sept | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15° | 15° | 15° | 16° | 19° | 22° | 25° | 26° | 25° | 23° | 20° | 17° |
The sea is 22 °C or warmer from June to October, and warmest in August, at about 26 °C.
Sea temperature: NOAA OISST v2.1, average of 1991–2020 (public domain). Close to the shore the water can be a degree or two warmer or cooler.
Best time to go
When to go to Hydra
Hydra is busiest in August. For a calm sea and fewer people, the best months are June and July.
In the swimming season (May to October) the calmest month on Hydra is June, with an average wind of 15 km/h. The windiest is October, at 21 km/h. The wind is usually lighter in the morning and builds up in the afternoon, so go early on windy days.
- Visitors
- Sea temperature
- Best
Hydra: wind and weather month by month
Average conditions for every month near Hydra, from 25 years of satellite-based weather data (2001–2025). Wind is the average at 10 m height; the sea close to the shore can differ.
| Month | Wind | Temp | Sea | Rain (mm/day) | Visitors |
|---|---|---|---|---|---|
| January | 24 km/h NW | 13° | 15 °C | 2.7 | Moderate |
| February | 24 km/h N | 13° | 15 °C | 2.4 | Moderate |
| March | 21 km/h NW | 14° | 15 °C | 1.9 | Moderate |
| April | 18 km/h N | 16° | 16 °C | 1.0 | Moderate |
| May | 15 km/h N | 20° | 19 °C | 0.7 | Busy |
| June | 15 km/h N | 24° | 22 °C | 0.6 | Peak |
| July | 17 km/h N | 27° | 25 °C | 0.3 | Peak |
| August | 19 km/h N | 27° | 26 °C | 0.3 | Peak |
| September | 19 km/h N | 25° | 25 °C | 1.0 | Peak |
| October | 21 km/h N | 21° | 23 °C | 2.0 | Busy |
| November | 22 km/h NW | 18° | 20 °C | 2.6 | Moderate |
| December | 24 km/h N | 15° | 17 °C | 3.1 | Moderate |
Historical data: NASA POWER, CC BY 4.0. Visitor levels are nights spent in tourist accommodation in the Attica 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.
Hydra: November through the years
Average conditions for November near Hydra, from 25 years of satellite-based weather data (2001–2025).
On average 22 km/h and 18° in November. Calmest year on record: 2017 · windiest: 2018.
Show all 25 years
| Year | Wind | Temp | Rain (mm/day) |
|---|---|---|---|
| 2025 | 22 km/h SW | 20° | 2.7 |
| 2024 | 25 km/h N | 18° | 2.1 |
| 2023 | 22 km/h SW | 21° | 1.9 |
| 2022 | 24 km/h N | 19° | 2.4 |
| 2021 | 24 km/h N | 18° | 2.0 |
| 2020 | 27 km/h N | 18° | 0.4 |
| 2019 | 19 km/h S | 20° | 4.7 |
| 2018 | 28 km/h N | 18° | 2.6 |
| 2017 | 17 km/h SW | 18° | 3.9 |
| 2016 | 22 km/h N | 18° | 2.4 |
| 2015 | 22 km/h NW | 19° | 1.3 |
| 2014 | 21 km/h NE | 17° | 1.5 |
| 2013 | 23 km/h E | 19° | 3.1 |
| 2012 | 24 km/h NE | 19° | 2.8 |
| 2011 | 26 km/h N | 15° | 0.2 |
| 2010 | 20 km/h SW | 20° | 1.9 |
| 2009 | 19 km/h W | 18° | 1.5 |
| 2008 | 19 km/h N | 18° | 1.9 |
| 2007 | 23 km/h W | 17° | 2.5 |
| 2006 | 20 km/h N | 16° | 1.4 |
| 2005 | 24 km/h NW | 17° | 8.6 |
| 2004 | 23 km/h NW | 18° | 2.5 |
| 2003 | 20 km/h NE | 18° | 2.3 |
| 2002 | 18 km/h SW | 19° | 3.8 |
| 2001 | 23 km/h NW | 17° | 5.3 |
Every beach
Beaches on Hydra
11 beaches mapped. The most sheltered first, then every other beach with a name; each one opens its own page.
Which side of Hydra is calmest in a north wind?
In a strong north wind the beaches of Hydra facing north-west and south stay calmest: Ag. Nikolas, Beach near Klimaki, and Beach near Zogeri. Beaches facing north are exposed to it.
How do you know which beaches are calm?
For every beach we measured how much open sea lies in each of 16 compass directions, using OpenStreetMap coastlines. Waves build over open water, so a beach with land close by in the direction the wind comes from is sheltered. Today's wind forecast from MET Norway is then applied, and the result is refreshed every 2 hours.
Are the forecasts reliable?
They are estimates. The model does not include swell from distant storms, and local gusts can be stronger than forecast. Always follow lifeguard flags and local warnings.
Which wind direction matters on Hydra?
The direction more than the strength. A beach is rough when the wind blows from the open sea towards it and calm when land lies upwind, so on a windy day one side of Hydra can be flat while the other has waves. That is why this page lists the calmest and roughest beaches for each wind direction, and the live ranking above applies today's forecast.
When is the sea calmest on Hydra?
In the swimming season (May to October) the calmest month on Hydra is June, with an average wind of 15 km/h. The windiest is October, at 21 km/h. The wind is usually lighter in the morning and builds up in the afternoon, so go early on windy days.
When is Hydra least crowded?
Hydra is busiest in August. For a calm sea and fewer people, the best months are June and July.
How warm is the sea in Hydra?
The sea is 22 °C or warmer from June to October, and warmest in August, at about 26 °C.
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