TidePlanet

Water temperature in Westmount

Sea surface temperature · updated today, Wednesday, October 28, at 6:54 pm (ADT)
Water now 52.0 °F
Today
51.8–52.2 °F
Air today
33 / 48 °F
Tue 3
50.7 °F
Wetsuit
5/4 mm with booties

Today the water in Westmount is 52.0 °F and ranges 51.8–52.2 °F through the day, with the air between 33 °F and 48 °F. It cools over the next few days: about 50.7 °F by Tuesday 3.

Measured by satellite

Yesterday, 1.8 mi from Westmount 52.5 °F

This is the temperature satellites measured yesterday in the water just below the surface, at the nearest point of sea to Westmount (1.8 mi away), from NASA's MUR analysis, which sees the water in 1 km detail. It isn't a forecast: the big figure above is what a model gives for right now. On sunny afternoons the top of the water can be a little warmer.

Satellite: NASA MUR (JPL MUR MEaSUREs, PO.DAAC), doi:10.5067/GHGMR-4FJ04. Sources and licenses

The water over the next few days

Water over the last 60 days

Over these days it has dropped 16.2 °F (from August 29).

Over the next few weeks the water looks normal for the time of year (−0.3 °F), according to ECMWF 46-day.

Daily average and its range (low and high). The dotted line is the forecast.

Water temperature by month vs. normal

The water off Westmount is about normal for late October today.

In Westmount the water is cold all year: it is warmest in August (61.9 °F on average). For a long swim, wear a wetsuit.

The water is warmest in August (61.9 °F on average) and coldest in March (33.2 °F).

Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 11 mi away). Right by the shore, the water can be a little colder or warmer. Sources and licenses

Water and air, day by day

DayWaterAirMax wave
Today 51.8–52.2 °F 33 / 48 °F 2.4 ft
Thu 29 51.6–52.0 °F 36 / 58 °F 4.4 ft
Fri 30 51.8–52.0 °F 48 / 56 °F 4.5 ft
Sat 31 51.3–51.8 °F 35 / 50 °F 3.2 ft
Sun 1 50.9–51.3 °F 33 / 48 °F 3.0 ft
Mon 2 50.7–51.1 °F 39 / 57 °F 3.7 ft
Tue 3 50.5–50.9 °F 44 / 58 °F 2.6 ft

Which wetsuit to wear

WaterWetsuitHow it feels
< 52 °F6/5 mm with hood, booties and glovesVery cold: full kit only
52°–57 °F5/4 mm with bootiesCold: takes your breath away
57°–63 °F4/3 mmCool
63°–66 °F3/2 mmMild
66°–72 °FShorty (springsuit)Pleasant
72°–75 °FRash guard or topVery pleasant
> 75 °FNo wetsuitWarm

A rough guide: it depends on the wind, how long you stay in and each person.

Fish are cold-blooded: the water sets their activity. Sudden temperature changes usually put them off the bite; with steady water, activity is more regular.

Previous days

The water over the last 60 days.

DayWaterLow / high
Tue 27 52.3 °F52.0–52.3 °F
Mon 26 52.2 °F51.8–52.3 °F
Sun 25 51.8 °F51.3–52.3 °F
Sat 24 51.4 °F51.3–51.6 °F
Fri 23 51.8 °F51.6–52.0 °F
Thu 22 52.0 °F51.8–52.0 °F
Wed 21 51.8 °F51.6–52.0 °F
Show all 60 days
DayWaterLow / high
Tue 20 52.0 °F51.8–52.0 °F
Mon 19 52.0 °F52.0–52.3 °F
Sun 18 52.5 °F52.3–52.5 °F
Sat 17 52.3 °F52.2–52.5 °F
Fri 16 51.8 °F51.6–52.2 °F
Thu 15 51.8 °F51.8–52.0 °F
Wed 14 52.2 °F51.8–52.7 °F
Tue 13 52.0 °F51.4–52.7 °F
Mon 12 51.8 °F51.4–52.2 °F
Sun 11 51.4 °F50.9–51.8 °F
Sat 10 52.3 °F51.3–54.1 °F
Fri 9 55.0 °F54.3–55.4 °F
Thu 8 55.9 °F55.6–56.1 °F
Wed 7 56.5 °F56.1–57.7 °F
Tue 6 59.5 °F58.1–60.1 °F
Mon 5 60.1 °F60.1–60.3 °F
Sun 4 60.1 °F59.7–60.3 °F
Sat 3 60.3 °F59.5–61.0 °F
Fri 2 60.1 °F59.9–60.3 °F
Thu 1 61.2 °F60.4–61.7 °F
Wed 30 61.2 °F60.8–61.5 °F
Tue 29 60.1 °F59.5–60.8 °F
Mon 28 59.7 °F59.5–59.7 °F
Sun 27 59.9 °F59.7–59.9 °F
Sat 26 59.9 °F59.7–59.9 °F
Fri 25 59.9 °F59.5–60.3 °F
Thu 24 59.9 °F59.5–60.4 °F
Wed 23 59.9 °F59.7–60.1 °F
Tue 22 60.6 °F60.3–60.8 °F
Mon 21 61.2 °F60.8–61.2 °F
Sun 20 61.2 °F61.0–61.5 °F
Sat 19 61.3 °F61.0–62.2 °F
Fri 18 62.8 °F62.4–63.0 °F
Thu 17 63.0 °F62.2–63.7 °F
Wed 16 62.8 °F62.1–63.7 °F
Tue 15 62.1 °F61.0–63.0 °F
Mon 14 61.7 °F60.8–62.8 °F
Sun 13 61.2 °F60.8–61.5 °F
Sat 12 61.5 °F60.6–62.4 °F
Fri 11 62.2 °F61.5–63.0 °F
Thu 10 63.9 °F63.0–64.4 °F
Wed 9 64.6 °F64.0–64.9 °F
Tue 8 63.7 °F63.1–64.4 °F
Mon 7 63.7 °F63.3–63.9 °F
Sun 6 64.0 °F63.9–64.2 °F
Sat 5 64.6 °F64.2–64.9 °F
Fri 4 64.8 °F64.6–65.1 °F
Thu 3 64.8 °F64.6–64.9 °F
Wed 2 64.8 °F64.0–65.3 °F
Tue 1 62.8 °F61.5–64.2 °F
Mon 31 61.7 °F60.4–63.9 °F
Sun 30 67.1 °F64.4–68.5 °F
Sat 29 68.5 °F67.5–70.0 °F

It's the daily analysis from Météo-France / Copernicus Marine (satellites, buoys and model), not a buoy reading at this spot.

Questions about the water in WestmountQuestions

What's the water temperature today in Westmount?

52.0 °F; through the day it ranges 51.8–52.2 °F.

Will the water get warmer or colder?

It cools over the next few days: about 50.7 °F by Tuesday 3.

Which wetsuit do I need today?

With the water as it is today, 5/4 mm with booties (cold: takes your breath away). It's a rough guide: it depends on the wind and each person.

How warm is the water in Westmount in October?

In October, the water in Westmount averages 55.7 °F (1991–2020). For a long swim: 5/4 mm with booties (cold: takes your breath away).

How warm is the water in Westmount in August?

In August, the water in Westmount averages 61.9 °F (1991–2020), the warmest of the year. For a long swim: 4/3 mm (cool).

When is the best time to swim in Westmount?

In Westmount the water is cold all year: it is warmest in August (61.9 °F on average). For a long swim, wear a wetsuit. The water is warmest in August (61.9 °F on average) and coldest in March (33.2 °F).

Is the water warmer or colder than normal?

The water off Westmount is about normal for late October today.

More about Westmount today

Water temperature near Westmount

Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.

Learn more

Sea surface temperature: Open-Meteo with Météo-France / Copernicus Marine, CC BY 4.0; grid point 13 mi away. Near the shore, in coves and estuaries, the water can be a little colder or warmer.

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 6:54 pm (local time).

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