Water temperature in Principina a Mare
Sea surface temperature · updated today, Thursday, October 29, at 4:00 am (CET)- Today
- 71.1–71.4 °F
- Air today
- 55 / 71 °F
- Wed 4
- 68.5 °F
- Wetsuit
- Shorty (springsuit)
Today the water in Principina a Mare is 71.2 °F and ranges 71.1–71.4 °F through the day, with the air between 55 °F and 71 °F. It cools over the next few days: about 68.5 °F by Wednesday 4.
Measured by satellite
This is the temperature satellites measured 2 days ago in the water just below the surface, at the nearest point of sea to Principina a Mare (0.8 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
- 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 11.3 °F (from August 30).
Over the next few weeks the water looks normal for the time of year (−0.2 °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 Principina a Mare is warmer than normal for late October today (+3.9 °F).
- 58.1° 58°JanJ
- 56.9° 57°FebF
- 57.1° 57°MarM
- 59.2° 59°AprA
- 64.4° 64°MayM
- 70.7° 71°JunJ
- 75.4° 75°JulJ
- 76.9° 77°AugA
- 73.5° 74°SepS
- 69.6° 70°OctO
- 65.3° 65°NovN
- 60.9° 61°DecD
- Monthly normal
- Today
- Best time
The best time to swim in Principina a Mare is from June to September, when the water averages 70.7–76.9 °F.
The water is warmest in August (76.9 °F on average) and coldest in February (56.9 °F).
Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 8.2 mi away). Right by the shore, the water can be a little colder or warmer. Sources and licenses
Water and air, day by day
| Day | Water | Air | Max wave |
|---|---|---|---|
| Today | 71.1–71.4 °F | 55 / 71 °F | 1.0 ft |
| Fri 30 | 70.7–71.1 °F | 56 / 68 °F | 1.4 ft |
| Sat 31 | 70.3–70.7 °F | 55 / 67 °F | 1.5 ft |
| Sun 1 | 70.0–70.3 °F | 51 / 61 °F | 1.6 ft |
| Mon 2 | 69.4–69.8 °F | 51 / 60 °F | 2.5 ft |
| Tue 3 | 68.7–69.4 °F | 49 / 60 °F | 2.0 ft |
| Wed 4 | 68.2–68.7 °F | 49 / 64 °F | 1.4 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 | 71.4 °F | 71.4–71.6 °F |
| Tue 27 | 71.8 °F | 71.6–71.8 °F |
| Mon 26 | 72.0 °F | 71.8–72.1 °F |
| Sun 25 | 72.1 °F | 72.0–72.3 °F |
| Sat 24 | 72.5 °F | 72.3–72.9 °F |
| Fri 23 | 73.0 °F | 73.0–73.2 °F |
| Thu 22 | 73.4 °F | 73.2–73.4 °F |
Show all 60 days
| Day | Water | Low / high |
|---|---|---|
| Wed 21 | 73.6 °F | 73.4–73.6 °F |
| Tue 20 | 73.4 °F | 73.4–73.6 °F |
| Mon 19 | 73.6 °F | 73.4–73.6 °F |
| Sun 18 | 73.8 °F | 73.6–73.8 °F |
| Sat 17 | 73.9 °F | 73.8–74.1 °F |
| Fri 16 | 73.9 °F | 73.8–74.1 °F |
| Thu 15 | 74.1 °F | 73.9–74.3 °F |
| Wed 14 | 74.5 °F | 74.3–74.7 °F |
| Tue 13 | 74.7 °F | 74.7–75.0 °F |
| Mon 12 | 75.2 °F | 75.0–75.4 °F |
| Sun 11 | 75.4 °F | 75.2–75.6 °F |
| Sat 10 | 75.4 °F | 75.4–75.6 °F |
| Fri 9 | 75.6 °F | 75.4–75.7 °F |
| Thu 8 | 75.6 °F | 75.4–75.7 °F |
| Wed 7 | 75.6 °F | 75.4–75.7 °F |
| Tue 6 | 75.6 °F | 75.4–75.6 °F |
| Mon 5 | 75.7 °F | 75.6–75.9 °F |
| Sun 4 | 75.9 °F | 75.7–76.1 °F |
| Sat 3 | 75.9 °F | 75.7–76.1 °F |
| Fri 2 | 76.1 °F | 75.9–76.3 °F |
| Thu 1 | 76.1 °F | 75.9–76.5 °F |
| Wed 30 | 76.1 °F | 75.7–76.3 °F |
| Tue 29 | 76.1 °F | 75.9–76.5 °F |
| Mon 28 | 76.1 °F | 75.9–76.3 °F |
| Sun 27 | 76.1 °F | 75.9–76.1 °F |
| Sat 26 | 76.3 °F | 76.1–76.6 °F |
| Fri 25 | 77.0 °F | 76.8–77.2 °F |
| Thu 24 | 77.2 °F | 77.0–77.4 °F |
| Wed 23 | 77.4 °F | 77.2–77.7 °F |
| Tue 22 | 77.9 °F | 77.7–78.3 °F |
| Mon 21 | 78.4 °F | 78.3–78.6 °F |
| Sun 20 | 78.6 °F | 78.4–78.8 °F |
| Sat 19 | 78.8 °F | 78.4–79.2 °F |
| Fri 18 | 78.8 °F | 78.4–79.3 °F |
| Thu 17 | 78.8 °F | 78.6–78.8 °F |
| Wed 16 | 79.2 °F | 78.6–79.7 °F |
| Tue 15 | 79.7 °F | 79.3–80.1 °F |
| Mon 14 | 80.1 °F | 79.9–80.2 °F |
| Sun 13 | 80.2 °F | 80.1–80.4 °F |
| Sat 12 | 80.8 °F | 80.4–81.1 °F |
| Fri 11 | 81.0 °F | 80.8–81.1 °F |
| Thu 10 | 81.3 °F | 81.1–81.7 °F |
| Wed 9 | 81.7 °F | 81.5–81.9 °F |
| Tue 8 | 81.7 °F | 81.1–82.2 °F |
| Mon 7 | 81.7 °F | 81.0–82.2 °F |
| Sun 6 | 81.5 °F | 81.0–81.9 °F |
| Sat 5 | 81.3 °F | 81.0–81.7 °F |
| Fri 4 | 81.3 °F | 80.8–81.9 °F |
| Thu 3 | 81.3 °F | 81.1–81.7 °F |
| Wed 2 | 81.9 °F | 81.5–82.2 °F |
| Tue 1 | 82.4 °F | 82.0–82.8 °F |
| Mon 31 | 82.4 °F | 82.0–82.6 °F |
| Sun 30 | 82.8 °F | 82.6–82.9 °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 Principina a MareQuestions
What's the water temperature today in Principina a Mare?
71.2 °F; through the day it ranges 71.1–71.4 °F.
Will the water get warmer or colder?
It cools over the next few days: about 68.5 °F by Wednesday 4.
Which wetsuit do I need today?
With the water as it is today, shorty (springsuit) (pleasant). It's a rough guide: it depends on the wind and each person.
How warm is the water in Principina a Mare in October?
In October, the water in Principina a Mare averages 69.6 °F (1991–2020). For a long swim: shorty (springsuit) (pleasant).
How warm is the water in Principina a Mare in August?
In August, the water in Principina a Mare averages 76.9 °F (1991–2020), the warmest of the year. For a long swim: no wetsuit (warm).
When is the best time to swim in Principina a Mare?
The best time to swim in Principina a Mare is from June to September, when the water averages 70.7–76.9 °F. The water is warmest in August (76.9 °F on average) and coldest in February (56.9 °F).
Is the water warmer or colder than normal?
The water off Principina a Mare is warmer than normal for late October today (+3.9 °F).
More about Principina a Mare today
Water temperature near Principina a Mare
- Roccamare 71.2 °F · 11 mi
- Talamone 71.6 °F · 12 mi
- Porto Santo Stefano 71.4 °F · 19 mi
- Follonica 70.9 °F · 20 mi
- Giglio Castello 71.1 °F · 24 mi
- Piombino 71.1 °F · 29 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 2.3 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 4:00 am (local time).
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