Water temperature in Saint-Samson-sur-Rance
Sea surface temperature · updated today, Thursday, October 29, at 4:17 am (CET)- Today
- 58.8–59.0 °F
- Air today
- 41 / 59 °F
- Wed 4
- 57.5 °F
- Wetsuit
- 4/3 mm
Today the water in Saint-Samson-sur-Rance is 59.0 °F and ranges 58.8–59.0 °F through the day, with the air between 41 °F and 59 °F. It cools over the next few days: about 57.5 °F by Wednesday 4.
The water over the next few days
- Today
- Fri 30
- Sat 31
- Sun 1
- Mon 2
- Tue 3
- Wed 4
- Thu 5
- Fri 6
- Sat 7
Water over the last 60 days
Over these days it has dropped 11.0 °F (from August 30).
Daily average and its range (low and high). The dotted line is the forecast.
Water temperature by month vs. normal
The water off Saint-Samson-sur-Rance is about normal for late October today.
- 48.9° 49°JanJ
- 47.3° 47°FebF
- 47.7° 48°MarM
- 50.3° 50°AprA
- 54.0° 54°MayM
- 58.5° 58°JunJ
- 62.3° 62°JulJ
- 64.6° 65°AugA
- 63.8° 64°SepS
- 60.6° 61°OctO
- 56.0° 56°NovN
- 51.8° 52°DecD
- Monthly normal
- Today
- Best time
The best time to swim in Saint-Samson-sur-Rance is from August to September, when the water averages 63.8–64.6 °F.
The water is warmest in August (64.6 °F on average) and coldest in February (47.3 °F).
Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 9.3 mi away). Right by the shore, the water can be a little colder or warmer. Sources and licenses
Water and air, day by day
| Day | Water | Air | Max wave |
|---|---|---|---|
| Today | 58.8–59.0 °F | 41 / 59 °F | 3.2 ft |
| Fri 30 | 58.6–58.8 °F | 37 / 60 °F | 2.0 ft |
| Sat 31 | 58.5–58.6 °F | 40 / 54 °F | 2.7 ft |
| Sun 1 | 58.3–58.5 °F | 42 / 54 °F | 3.0 ft |
| Mon 2 | 57.9–58.1 °F | 43 / 57 °F | 3.8 ft |
| Tue 3 | 57.6–57.9 °F | 48 / 55 °F | 3.9 ft |
| Wed 4 | 57.4–57.6 °F | 41 / 51 °F | 3.5 ft |
Which wetsuit to wear
| Water | Wetsuit | How it feels |
|---|---|---|
| < 52 °F | 6/5 mm with hood, booties and gloves | Very cold: full kit only |
| 52°–57 °F | 5/4 mm with booties | Cold: takes your breath away |
| 57°–63 °F | 4/3 mm | Cool |
| 63°–66 °F | 3/2 mm | Mild |
| 66°–72 °F | Shorty (springsuit) | Pleasant |
| 72°–75 °F | Rash guard or top | Very pleasant |
| > 75 °F | No wetsuit | Warm |
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.
| Day | Water | Low / high |
|---|---|---|
| Wed 28 | 59.2 °F | 59.0–59.2 °F |
| Tue 27 | 59.4 °F | 59.4–59.5 °F |
| Mon 26 | 59.2 °F | 59.0–59.4 °F |
| Sun 25 | 59.4 °F | 59.2–59.5 °F |
| Sat 24 | 59.4 °F | 59.4–59.7 °F |
| Fri 23 | 60.3 °F | 59.7–60.6 °F |
| Thu 22 | 60.8 °F | 60.6–61.0 °F |
Show all 60 days
| Day | Water | Low / high |
|---|---|---|
| Wed 21 | 61.3 °F | 61.0–61.7 °F |
| Tue 20 | 61.9 °F | 61.7–62.1 °F |
| Mon 19 | 62.1 °F | 62.1–62.2 °F |
| Sun 18 | 62.6 °F | 62.2–63.0 °F |
| Sat 17 | 63.1 °F | 63.0–63.5 °F |
| Fri 16 | 63.9 °F | 63.7–64.2 °F |
| Thu 15 | 64.0 °F | 63.7–64.6 °F |
| Wed 14 | 63.9 °F | 63.7–64.0 °F |
| Tue 13 | 64.0 °F | 63.9–64.0 °F |
| Mon 12 | 63.9 °F | 63.7–64.0 °F |
| Sun 11 | 63.9 °F | 63.7–64.2 °F |
| Sat 10 | 64.2 °F | 64.2–64.6 °F |
| Fri 9 | 64.8 °F | 64.6–64.9 °F |
| Thu 8 | 65.3 °F | 64.9–65.8 °F |
| Wed 7 | 66.2 °F | 65.8–66.4 °F |
| Tue 6 | 66.2 °F | 66.0–66.6 °F |
| Mon 5 | 66.2 °F | 66.0–66.4 °F |
| Sun 4 | 66.2 °F | 66.0–66.4 °F |
| Sat 3 | 66.4 °F | 66.2–66.6 °F |
| Fri 2 | 66.6 °F | 66.4–66.7 °F |
| Thu 1 | 66.7 °F | 66.6–66.9 °F |
| Wed 30 | 67.1 °F | 66.7–67.8 °F |
| Tue 29 | 67.5 °F | 67.3–67.8 °F |
| Mon 28 | 67.5 °F | 67.5–67.6 °F |
| Sun 27 | 67.8 °F | 67.6–68.0 °F |
| Sat 26 | 68.2 °F | 68.0–68.4 °F |
| Fri 25 | 68.2 °F | 68.0–68.5 °F |
| Thu 24 | 68.4 °F | 68.0–68.7 °F |
| Wed 23 | 68.2 °F | 68.0–68.4 °F |
| Tue 22 | 68.2 °F | 67.8–68.5 °F |
| Mon 21 | 68.2 °F | 67.6–68.5 °F |
| Sun 20 | 67.8 °F | 67.6–68.0 °F |
| Sat 19 | 68.0 °F | 67.6–68.2 °F |
| Fri 18 | 68.0 °F | 67.8–68.2 °F |
| Thu 17 | 68.5 °F | 68.2–68.7 °F |
| Wed 16 | 68.9 °F | 68.7–69.3 °F |
| Tue 15 | 69.6 °F | 69.4–70.0 °F |
| Mon 14 | 69.8 °F | 69.4–70.2 °F |
| Sun 13 | 69.4 °F | 69.1–69.6 °F |
| Sat 12 | 69.3 °F | 68.9–69.6 °F |
| Fri 11 | 69.1 °F | 68.9–69.4 °F |
| Thu 10 | 69.3 °F | 69.1–69.3 °F |
| Wed 9 | 69.4 °F | 69.3–69.6 °F |
| Tue 8 | 70.0 °F | 69.8–70.3 °F |
| Mon 7 | 70.3 °F | 70.0–70.7 °F |
| Sun 6 | 70.0 °F | 69.6–70.9 °F |
| Sat 5 | 70.0 °F | 69.8–70.3 °F |
| Fri 4 | 70.2 °F | 70.0–70.3 °F |
| Thu 3 | 70.0 °F | 69.6–70.5 °F |
| Wed 2 | 69.8 °F | 69.3–70.3 °F |
| Tue 1 | 69.8 °F | 69.4–70.2 °F |
| Mon 31 | 69.8 °F | 69.8–70.0 °F |
| Sun 30 | 70.2 °F | 70.0–70.3 °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 Saint-Samson-sur-RanceQuestions
What's the water temperature today in Saint-Samson-sur-Rance?
59.0 °F; through the day it ranges 58.8–59.0 °F.
Will the water get warmer or colder?
It cools over the next few days: about 57.5 °F by Wednesday 4.
Which wetsuit do I need today?
With the water as it is today, 4/3 mm (cool). It's a rough guide: it depends on the wind and each person.
How warm is the water in Saint-Samson-sur-Rance in October?
In October, the water in Saint-Samson-sur-Rance averages 60.6 °F (1991–2020). For a long swim: 4/3 mm (cool).
How warm is the water in Saint-Samson-sur-Rance in August?
In August, the water in Saint-Samson-sur-Rance averages 64.6 °F (1991–2020), the warmest of the year. For a long swim: 3/2 mm (mild).
When is the best time to swim in Saint-Samson-sur-Rance?
The best time to swim in Saint-Samson-sur-Rance is from August to September, when the water averages 63.8–64.6 °F. The water is warmest in August (64.6 °F on average) and coldest in February (47.3 °F).
Is the water warmer or colder than normal?
The water off Saint-Samson-sur-Rance is about normal for late October today.
More about Saint-Samson-sur-Rance today
Water temperature near Saint-Samson-sur-Rance
- Ploubalay 59.4 °F · 8.0 mi
- Dinard 59.0 °F · 9.8 mi
- La Fresnais 57.0 °F · 11 mi
- Saint-Cast-le-Guildo 59.5 °F · 14 mi
- Cancale 57.0 °F · 15 mi
- Plurien 59.5 °F · 19 mi
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 3.5 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 4:17 am (local time).
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