Water temperature in Northumberland Strait

This data the coastal Northumberland Strait sea water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current sea temperature in Northumberland Strait

Water temperature in Northumberland Strait today is 19.8°C. Based on our historical data over a period of ten years, the warmest water in this day in the Gulf of Saint Lawrence near Northumberland Strait was recorded in 2022 and was 20.5°C, and the coldest was recorded in 2008 at 17.3°C. Sea water temperature in Northumberland Strait is expected to drop to 17.7°C in the next 10 days. September average water temperature in Northumberland Strait is 17.5°C, the minimum temperature is 14.5°C, and the maximum is 21.6°C.

The swimming season in Northumberland Strait lasts only one month - August. During this month, Northumberland Strait water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Northumberland Strait in winter reaches 0.3°C, in spring 2.4°C, in summer the average temperature rises to 16.9°C, and in autumn it is 12.9°C.

Northumberland Strait water temperature now

The sea salinity in Northumberland Strait is 27.67‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Northumberland Strait for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Northumberland Strait. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Northumberland Strait. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Northumberland Strait

Northumberland Strait weather forecast

Current temperature and weather

Data in a table show Northumberland Strait temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Northumberland Strait.

0-3 h	3-6 h	6-9 h	9-12 h
14.7°C	14.5°C	16°C	18.5°C

12-15 h	15-18 h	18-21 h	21-24 h
19.9°C	19.7°C	19°C	18.3°C

Northumberland Strait water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Northumberland Strait. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Northumberland Strait on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Northumberland Strait

The nearest beaches and cities from Northumberland Strait with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Tatamagouche	20.5°C	21°C		0.12 m
Malagash	20.6°C	20°C		0.1 m
Blue Sea Beach	20.6°C	20°C		0.1 m
Rushton's Beach	20.3°C	21°C		0.13 m
Canoe Cove	20.3°C	23°C		0.22 m
Argyle Shore	20.4°C	23°C		0.22 m
Toney River	19.3°C	21°C		0.16 m
Tea Hill	21.1°C	23°C		0.14 m
Pugwash	20.3°C	24°C		0.12 m
Waterside Beach	19.3°C	21°C		0.16 m

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Our report for Northumberland Strait 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.