TidePlanet

Water temperature in Mehamn

Sea surface temperature · updated today, Thursday, October 29, at 4:10 am (CET)
Water now 47.1 °F
Today
46.9–47.1 °F
Air today
34 / 43 °F
Wed 4
46.2 °F
Wetsuit
6/5 mm with hood, booties and gloves

Today the water in Mehamn is 47.1 °F and ranges 46.9–47.1 °F through the day, with the air between 34 °F and 43 °F. It cools over the next few days: about 46.2 °F by Wednesday 4.

Measured by satellite

2 days ago, 0.6 mi from Mehamn 46.9 °F

This is the temperature satellites measured 2 days ago in the water just below the surface, at the nearest point of sea to Mehamn (0.6 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 4.1 °F (from August 30).

Over the next few weeks the water looks above normal (+1.8 °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 Mehamn is warmer than normal for late October today (+2.2 °F).

In Mehamn the water is cold all year: it is warmest in August (49.5 °F on average). For a long swim, wear a wetsuit.

The water is warmest in August (49.5 °F on average) and coldest in March (39.5 °F).

Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 5.2 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 46.9–47.1 °F 34 / 43 °F 4.9 ft
Fri 30 46.9–46.9 °F 35 / 44 °F 4.3 ft
Sat 31 46.9–46.9 °F 38 / 46 °F 8.4 ft
Sun 1 46.8–46.9 °F 38 / 42 °F 11 ft
Mon 2 46.8–46.8 °F 37 / 39 °F 11 ft
Tue 3 46.4–46.8 °F 33 / 38 °F 11 ft
Wed 4 46.0–46.4 °F 31 / 38 °F 11 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
Wed 28 47.1 °F46.9–47.1 °F
Tue 27 47.1 °F47.1–47.1 °F
Mon 26 47.1 °F47.1–47.1 °F
Sun 25 47.3 °F47.1–47.3 °F
Sat 24 47.3 °F47.3–47.3 °F
Fri 23 47.3 °F47.3–47.3 °F
Thu 22 47.5 °F47.3–47.7 °F
Show all 60 days
DayWaterLow / high
Wed 21 47.8 °F47.7–48.0 °F
Tue 20 47.8 °F47.7–48.0 °F
Mon 19 47.5 °F47.5–47.7 °F
Sun 18 47.3 °F47.3–47.5 °F
Sat 17 47.5 °F47.1–47.5 °F
Fri 16 46.9 °F46.8–47.1 °F
Thu 15 46.8 °F46.6–46.8 °F
Wed 14 46.6 °F46.6–46.8 °F
Tue 13 46.9 °F46.8–47.1 °F
Mon 12 47.3 °F47.1–47.3 °F
Sun 11 47.3 °F47.3–47.5 °F
Sat 10 47.7 °F47.5–47.8 °F
Fri 9 48.0 °F47.8–48.0 °F
Thu 8 48.2 °F48.0–48.2 °F
Wed 7 48.4 °F48.0–49.1 °F
Tue 6 49.1 °F48.9–49.1 °F
Mon 5 48.9 °F48.9–49.1 °F
Sun 4 48.9 °F48.9–48.9 °F
Sat 3 48.7 °F48.7–48.9 °F
Fri 2 48.7 °F48.6–48.7 °F
Thu 1 48.6 °F48.6–48.6 °F
Wed 30 48.6 °F48.4–49.1 °F
Tue 29 48.9 °F48.7–48.9 °F
Mon 28 48.7 °F48.7–48.7 °F
Sun 27 48.6 °F48.6–48.7 °F
Sat 26 48.4 °F48.2–48.6 °F
Fri 25 48.2 °F48.2–48.2 °F
Thu 24 48.2 °F48.0–48.2 °F
Wed 23 48.4 °F47.8–50.2 °F
Tue 22 50.2 °F50.0–50.2 °F
Mon 21 50.2 °F50.2–50.2 °F
Sun 20 50.2 °F50.2–50.4 °F
Sat 19 50.2 °F50.2–50.4 °F
Fri 18 50.4 °F50.4–50.4 °F
Thu 17 50.4 °F50.2–50.4 °F
Wed 16 50.2 °F50.2–50.2 °F
Tue 15 50.2 °F50.2–50.4 °F
Mon 14 50.4 °F50.4–50.4 °F
Sun 13 50.5 °F50.4–50.5 °F
Sat 12 50.5 °F50.4–50.5 °F
Fri 11 50.4 °F50.4–50.5 °F
Thu 10 50.2 °F50.0–50.4 °F
Wed 9 50.0 °F49.8–50.4 °F
Tue 8 50.4 °F50.4–50.5 °F
Mon 7 50.5 °F50.5–50.7 °F
Sun 6 50.7 °F50.5–50.9 °F
Sat 5 51.1 °F51.1–51.3 °F
Fri 4 51.4 °F51.3–51.4 °F
Thu 3 51.6 °F51.4–51.6 °F
Wed 2 51.6 °F51.4–51.8 °F
Tue 1 51.4 °F51.4–51.6 °F
Mon 31 51.4 °F51.3–51.6 °F
Sun 30 51.3 °F51.3–51.3 °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 MehamnQuestions

What's the water temperature today in Mehamn?

47.1 °F; through the day it ranges 46.9–47.1 °F.

Will the water get warmer or colder?

It cools over the next few days: about 46.2 °F by Wednesday 4.

Which wetsuit do I need today?

With the water as it is today, 6/5 mm with hood, booties and gloves (very cold: full kit only). It's a rough guide: it depends on the wind and each person.

How warm is the water in Mehamn in October?

In October, the water in Mehamn averages 45.7 °F (1991–2020). For a long swim: 6/5 mm with hood, booties and gloves (very cold: full kit only).

How warm is the water in Mehamn in August?

In August, the water in Mehamn averages 49.5 °F (1991–2020), the warmest of the year. For a long swim: 6/5 mm with hood, booties and gloves (very cold: full kit only).

When is the best time to swim in Mehamn?

In Mehamn the water is cold all year: it is warmest in August (49.5 °F on average). For a long swim, wear a wetsuit. The water is warmest in August (49.5 °F on average) and coldest in March (39.5 °F).

Is the water warmer or colder than normal?

The water off Mehamn is warmer than normal for late October today (+2.2 °F).

More about Mehamn today

Water temperature near Mehamn

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 0.5 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 4:10 am (local time).

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