Water temperature in Sein Island in October

Is it warm enough to swim in Sein Island in October? Average water temperature in Sein Island in October is 15.2°C and therefore is not suitable for comfortable swimming. The warmest sea in Sein Island in October is 18.5°C, and the coldest is 13.2°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Sein Island

Changes water temperature in Sein Island in October 2024, 2023

To get an accurate forecast for the water temperature in Sein Island for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Sein Island, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of October.

Sea temperature

Sea state

Weather forecast

You can choose any other years:

Day	2024	2023	Min	Max
1 October	14.4°C	16.5°C	14.4°C	17.6°C
2 October	14.4°C	16.9°C	14.4°C	16.9°C
3 October	14.7°C	17.1°C	14.3°C	17.6°C
4 October	14.5°C	17.2°C	14.3°C	17.2°C
5 October	14.4°C	17.5°C	14.4°C	17.5°C
6 October	14.4°C	17.4°C	14.1°C	17.4°C
7 October	14.5°C	18.1°C	14.2°C	18.1°C
8 October	14.7°C	18.5°C	14.1°C	18.5°C
9 October	14.7°C	18.4°C	14°C	18.4°C
10 October	14.7°C	17.5°C	14.1°C	17.5°C
11 October	14.7°C	18.1°C	14.7°C	18.1°C
12 October	14.9°C	18°C	13.8°C	18°C
13 October	15°C	17.7°C	13.9°C	17.7°C
14 October	15°C	17.5°C	13.8°C	17.5°C
15 October	15°C	17.3°C	14°C	17.3°C

Day	2024	2023	Min	Max
16 October	15°C	17.4°C	14°C	17.4°C
17 October	15.2°C	17.2°C	13.4°C	17.2°C
18 October	15.2°C	17.6°C	13.6°C	17.6°C
19 October	15.4°C	17.4°C	13.5°C	17.4°C
20 October	15.3°C	17.1°C	13.7°C	17.1°C
21 October	15.3°C	17.1°C	14.3°C	17.1°C
22 October	15.4°C	17.1°C	13.7°C	17.1°C
23 October	15.5°C	16.9°C	14.2°C	16.9°C
24 October	15.7°C	16.9°C	13.7°C	16.9°C
25 October	15.5°C	16.6°C	13.6°C	16.6°C
26 October	15.5°C	16.6°C	13.8°C	16.6°C
27 October	15.2°C	16.3°C	13.6°C	16.3°C
28 October	15.6°C	16.1°C	13.5°C	16.1°C
29 October	15.5°C	16°C	13.5°C	16°C
30 October	15.8°C	16.1°C	13.2°C	16.1°C
31 October	15.7°C	16°C	14°C	16°C

Average water temperature in Sein Island in October over a decade

2015	2016	2017	2018	2019
15.6°C	15.6°C	15.1°C	14.1°C	14.7°C

2020	2021	2022	2023	2024
14°C	15.4°C	14.9°C	17.2°C	15.1°C

Sein Island water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in October. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
La Palue	15.2°C	13.1°C	17.4°C
Brest	15.1°C	13.2°C	17.5°C
Plozevet	15.5°C	13.1°C	18.6°C
Camaret Sur Mer	15.1°C	13.2°C	17.6°C
Penhors	15.6°C	13.1°C	18.7°C
Pouldreuzic	15.6°C	13.1°C	18.7°C
Ploneour-Lanvern	15.7°C	13.1°C	18.8°C
Plovan	15.7°C	13.1°C	18.8°C
Treguennec	15.7°C	13.1°C	18.8°C
Crozon	15.2°C	13.2°C	17.7°C

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Our report for Sein Island is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature