Playa de Sant Sebastià
Jorge Franganillo from Barcelona, Spain · CC BY 2.0 · Wikimedia Commons

Barcelona · Barcelona

Playa de Sant Sebastià

Swimming conditions, water quality, sea, tides and facilities

1,175 mMedium-grain sand★ Blue Flag 2026
Water27 °CDaily high28 °CUV5JellyfishNo recent observationsLess favourable conditions · estimate
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Swimming statusGreen flagEstimateForecast for 27/09 · 14:00Reference sea area: Playa de La Barceloneta · 0.7 km

Now

Forecast for 14:00

AEMET · issued 27/09 09:05
☁
SkyCloudy
Temperature28 °CFeels like 29 °C
Forecast rain20%
Humidity59%
WindSE 9 km/hGusts 24 km/h
Water27 °C
Maximum UV5

This is an official forecast for the stated period, not an observation taken at the beach.

Environmental estimate

Conditions less favourable for jellyfish arrival

Forecast wind and the regional coastline orientation are less favourable for jellyfish transport towards the shore. This is a limited-confidence regional physical indicator; it does not confirm the presence or absence of jellyfish at this beach.

Accumulated wind7 km/h · 31°Valid for27/09/2026 13:00

Weather forecast

Hourly and daily outlook

Official municipal forecast and, where available, beach-specific information.

Next hours

Town of Barcelona
Today14:00☁28°Cloudy☂ 20% · ↝ SE 9 km/h
Today17:00☁28°High cloud☂ 20% · ↝ SE 11 km/h
Today20:00☁26°Cloudy☂ 5% · ↝ SE 9 km/h
Today23:00☁24°High cloud☂ 5% · ↝ SE 9 km/h
Tomorrow02:00☁25°Overcast☂ 0% · ↝ SE 6 km/h
Tomorrow05:00☁24°Cloudy☂ 0% · ↝ E 2 km/h
Tomorrow08:00☁22°High cloud☂ 100% · ↝ N 9 km/h
Tomorrow11:00☂25°Overcast with light rain☂ 100% · ↝ E 9 km/h
Tomorrow14:00☂27°Sunny intervals with light rain☂ 80% · ↝ SE 11 km/h
Tomorrow17:00☂28°Sunny intervals with light rain☂ 80% · ↝ SE 13 km/h
Tomorrow20:00☂26°Sunny intervals with light rain☂ 65% · ↝ E 11 km/h
Tomorrow23:00☂25°Sunny intervals with light rain☂ 65% · ↝ NE 4 km/h
Tuesday 2902:00☂24°Overcast with light rain · ↝ SE 11 km/h
Tuesday 2905:00☂24°Overcast with light rain · ↝ E 12 km/h

Today’s weather

At 14:00, the forecast indicates sky conditions of cloudy and a forecast temperature of 28 °C. This period also has a feels-like temperature of 29 °C, 20% chance of rain and wind SE at 9 km/h. For the day as a whole, the published forecast gives a high of 28 °C, water temperature around 27 °C and a maximum UV index of 5.

Next days

Today

☁

Mostly cloudy

Low 22°High 28°
MorningMostly cloudyAfternoonHigh cloud
☂ Rain 20% ↝ N · 8 km/h Gusts 24 km/h Humidity 59–81% ◉ Water 27° ☀ UV 5
Hourly municipal forecast · issued 27/09 09:05

Tomorrow

☂

Overcast with light rain

Low 22°High 28°
MorningOvercast with light rainAfternoonSunny intervals with light rain
☂ Rain 100% ↝ E · 9 km/h Gusts 27 km/h Humidity 58–83% ◉ Water 27° ☀ UV 5
Hourly municipal forecast · issued 27/09 09:05

Tuesday 29

☂

Cloudy with light rain

Low 24°High 24°
☂ Rain 100% ↝ SE · 15 km/h Gusts 29 km/h Humidity 76–82% ◉ Water 27° ☀ UV 5
Hourly municipal forecast · issued 27/09 09:05

Wednesday 30

☂

Sunny intervals with light rain

Low 21°High 29°
☂ Rain 90% ↝ SE · 10 km/h Humidity 65–85% ☀ UV 5
Daily municipal forecast · issued 27/09 03:21

Water health

Water quality

NÁYADE source
Latest available test15/09/2025NÁYADE · Ministerio de Sanidad · ES51100019M08019L1
E. coli31 UFC/100 ml
Enterococci10 UFC/100 ml
Latest available annual classificationEXCELLENT2025 season · EEA · does not describe current conditions

The 2026 season does not yet have a final annual classification. The 2025 result is historical; for recent conditions, check the latest test and any published incidents.

View all test results
DateAssessmentE. coliEnterococci
15/09/2025No published assessment31 UFC/100 ml10 UFC/100 ml
01/09/2025No published assessment10 UFC/100 ml10 UFC/100 ml
18/08/2025No published assessment164 UFC/100 ml10 UFC/100 ml
04/08/2025No published assessment85 UFC/100 ml10 UFC/100 ml
28/07/2025No published assessment10 UFC/100 ml20 UFC/100 ml
14/07/2025No published assessment98 UFC/100 ml20 UFC/100 ml
30/06/2025No published assessment10 UFC/100 ml10 UFC/100 ml
16/06/2025No published assessment10 UFC/100 ml10 UFC/100 ml
02/06/2025No published assessment31 UFC/100 ml10 UFC/100 ml
View annual history
2025 EXCELLENT EEA2024 EXCELLENT EEA2023 EXCELLENT EEA2022 EXCELLENT EEA2021 EXCELLENT EEA2020 EXCELLENT EEA2019 EXCELLENT EEA2018 EXCELLENT EEA2017 EXCELLENT EEA2016 EXCELLENT EEA2015 EXCELLENT EEA

A sample or annual classification does not override a later incident or operational flag.

Water quality

The latest microbiological sample was taken on 15/09/2025. The available annual classification for 2025 is excellent; this is a historical assessment, not confirmation of today’s conditions.

Beach at a glance

What it is like

Characteristics published by official sources

Playa de Sant Sebastià is a large urban beach in Barcelona, with 1,175 metres of golden sand, a width of 75 metres and calm waters. The seafront promenade and anchorage area are very close to the industrial basin and quays associated with maritime trade, a proximity that defines the setting. It is accessible on foot or by car, with several bus routes and metro line 4. It offers adapted showers and washbasins, food and drink services and public Wi-Fi.

Length1,175 mApproximate size of the beach
Typical width75 mPublished average width
CompositionMedium-grain sandPredominant material
Sand typeGoldenPublished texture or colour
SettingUrbanLevel of development
Coastal settingUrbanSurrounding landscape
Access typeEasy on foot · By carPublished access options
Available characteristicPromenade

Available facilities

Facilities

Only facilities published as available are shown
WC
Showers
Bins
Cleaning service
Drinking water
Tourist information
Food and drink
Sunbed hire
Parasol hire
Sports area
Anchorage
Public Wi-Fi

Facilities and comfort

Confirmed facilities include toilets, showers, bins, a cleaning service, food and drink, sunbed hire, parasol hire and public Wi-Fi.

Activities

Published information identifies a sports area and an anchorage.

Access and safety

Accessibility and safety

Accessibility and transport

✓
Accessible accessPublished accessible access
✓
ParkingNear the beach
✓
BusRoute Bus: 14, 16, 17, 39, 40, 45, 51, 57, 59, 64, 157 Metro: Line 4-Barceloneta
✓
Accessible toiletAccessible toilet

Safety and assistance

⚑
LifeguardsSummer season · Emergency number 112
+
First aidPublished first-aid post
!
Safety signageOfficial beach safety signage
+
Nearest health facilityHospital del Mar · 1.4 km

Access and accessibility

Accessibility information confirms step-free or accessible access. Travel options include parking and a bus connection.

Location

Directions

Open directions in Google Maps

Practical ideas for your visit

Near this beach

Eat, have a drink, stay or park nearby without spending time searching.

About these results: distances are calculated in a straight line and each link opens the stored point, rather than a name search. Position does not imply an editorial recommendation or guarantee opening times or availability.

A few kilometres away

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