Water temperature in Acilia-Castel Fusano-Ostia Antica
Sea surface temperature · updated today, Thursday, October 29, at 6:05 am (CET)- Today
- 70.5–70.7 °F
- Air today
- 49 / 69 °F
- Wed 4
- 67.6 °F
- Wetsuit
- Shorty (springsuit)
Today the water in Acilia-Castel Fusano-Ostia Antica is 70.5 °F and ranges 70.5–70.7 °F through the day, with the air between 49 °F and 69 °F. It cools over the next few days: about 67.6 °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 13.7 °F (from August 30).
Over the next few weeks the water looks normal for the time of year (−0.1 °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 Acilia-Castel Fusano-Ostia Antica is warmer than normal for late October today (+2.7 °F).
- 58.6° 59°JanJ
- 57.4° 57°FebF
- 57.5° 57°MarM
- 59.7° 60°AprA
- 65.0° 65°MayM
- 71.5° 71°JunJ
- 76.3° 76°JulJ
- 78.0° 78°AugA
- 74.7° 75°SepS
- 70.5° 71°OctO
- 65.8° 66°NovN
- 61.4° 61°DecD
- Monthly normal
- Today
- Best time
The best time to swim in Acilia-Castel Fusano-Ostia Antica is from June to October, when the water averages 70.5–78.0 °F.
The water is warmest in August (78.0 °F on average) and coldest in February (57.4 °F).
Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 8.8 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 | 70.5–70.7 °F | 49 / 69 °F | 0.7 ft |
| Fri 30 | 70.3–70.5 °F | 53 / 65 °F | 0.5 ft |
| Sat 31 | 70.0–70.2 °F | 51 / 68 °F | 0.4 ft |
| Sun 1 | 69.4–70.0 °F | 50 / 63 °F | 2.2 ft |
| Mon 2 | 68.5–69.4 °F | 49 / 62 °F | 3.0 ft |
| Tue 3 | 67.8–68.5 °F | 50 / 65 °F | 2.9 ft |
| Wed 4 | 67.5–67.8 °F | 46 / 64 °F | 0.9 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 | 70.9 °F | 70.9–71.1 °F |
| Tue 27 | 71.2 °F | 71.1–71.4 °F |
| Mon 26 | 71.4 °F | 71.2–71.6 °F |
| Sun 25 | 71.6 °F | 71.6–72.0 °F |
| Sat 24 | 72.1 °F | 72.0–72.3 °F |
| Fri 23 | 72.3 °F | 72.3–72.5 °F |
| Thu 22 | 72.7 °F | 72.5–72.7 °F |
Show all 60 days
| Day | Water | Low / high |
|---|---|---|
| Wed 21 | 72.9 °F | 72.7–73.2 °F |
| Tue 20 | 73.2 °F | 73.2–73.4 °F |
| Mon 19 | 73.4 °F | 73.2–73.6 °F |
| Sun 18 | 73.6 °F | 73.4–73.6 °F |
| Sat 17 | 73.6 °F | 73.4–73.6 °F |
| Fri 16 | 73.8 °F | 73.6–73.8 °F |
| Thu 15 | 73.8 °F | 73.6–74.1 °F |
| Wed 14 | 73.9 °F | 73.9–74.3 °F |
| Tue 13 | 74.7 °F | 74.5–75.0 °F |
| Mon 12 | 75.2 °F | 75.2–75.4 °F |
| Sun 11 | 75.4 °F | 75.2–75.6 °F |
| Sat 10 | 75.4 °F | 75.2–75.6 °F |
| Fri 9 | 75.6 °F | 75.4–75.9 °F |
| Thu 8 | 75.9 °F | 75.9–76.1 °F |
| Wed 7 | 76.1 °F | 76.1–76.3 °F |
| Tue 6 | 76.5 °F | 76.1–76.6 °F |
| Mon 5 | 76.8 °F | 76.6–77.0 °F |
| Sun 4 | 77.0 °F | 76.6–77.4 °F |
| Sat 3 | 76.8 °F | 76.6–77.0 °F |
| Fri 2 | 76.8 °F | 76.6–77.2 °F |
| Thu 1 | 76.8 °F | 76.6–77.2 °F |
| Wed 30 | 77.0 °F | 76.6–77.5 °F |
| Tue 29 | 77.5 °F | 77.4–77.9 °F |
| Mon 28 | 77.5 °F | 77.4–77.9 °F |
| Sun 27 | 77.5 °F | 77.4–77.7 °F |
| Sat 26 | 77.7 °F | 77.5–77.9 °F |
| Fri 25 | 77.9 °F | 77.7–77.9 °F |
| Thu 24 | 78.1 °F | 77.9–78.3 °F |
| Wed 23 | 78.4 °F | 78.3–78.8 °F |
| Tue 22 | 78.8 °F | 78.6–79.0 °F |
| Mon 21 | 79.2 °F | 79.0–79.3 °F |
| Sun 20 | 79.3 °F | 79.0–79.9 °F |
| Sat 19 | 79.2 °F | 78.4–79.7 °F |
| Fri 18 | 79.3 °F | 78.8–79.5 °F |
| Thu 17 | 79.5 °F | 79.3–79.5 °F |
| Wed 16 | 79.7 °F | 79.3–80.2 °F |
| Tue 15 | 80.4 °F | 80.1–80.6 °F |
| Mon 14 | 80.6 °F | 80.4–81.0 °F |
| Sun 13 | 81.0 °F | 80.6–81.3 °F |
| Sat 12 | 81.1 °F | 81.0–81.5 °F |
| Fri 11 | 81.5 °F | 81.3–82.0 °F |
| Thu 10 | 81.9 °F | 81.5–82.2 °F |
| Wed 9 | 82.0 °F | 81.7–82.4 °F |
| Tue 8 | 81.9 °F | 81.5–82.4 °F |
| Mon 7 | 82.0 °F | 81.5–82.8 °F |
| Sun 6 | 82.0 °F | 81.3–82.6 °F |
| Sat 5 | 81.9 °F | 81.3–82.4 °F |
| Fri 4 | 81.9 °F | 81.1–82.6 °F |
| Thu 3 | 82.0 °F | 81.7–82.4 °F |
| Wed 2 | 82.6 °F | 82.2–83.1 °F |
| Tue 1 | 83.3 °F | 83.1–83.7 °F |
| Mon 31 | 84.0 °F | 83.7–84.4 °F |
| Sun 30 | 84.6 °F | 84.2–85.1 °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 Acilia-Castel Fusano-Ostia AnticaQuestions
What's the water temperature today in Acilia-Castel Fusano-Ostia Antica?
70.5 °F; through the day it ranges 70.5–70.7 °F.
Will the water get warmer or colder?
It cools over the next few days: about 67.6 °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 Acilia-Castel Fusano-Ostia Antica in October?
In October, the water in Acilia-Castel Fusano-Ostia Antica averages 70.5 °F (1991–2020). For a long swim: shorty (springsuit) (pleasant).
How warm is the water in Acilia-Castel Fusano-Ostia Antica in August?
In August, the water in Acilia-Castel Fusano-Ostia Antica averages 78.0 °F (1991–2020), the warmest of the year. For a long swim: no wetsuit (warm).
When is the best time to swim in Acilia-Castel Fusano-Ostia Antica?
The best time to swim in Acilia-Castel Fusano-Ostia Antica is from June to October, when the water averages 70.5–78.0 °F. The water is warmest in August (78.0 °F on average) and coldest in February (57.4 °F).
Is the water warmer or colder than normal?
The water off Acilia-Castel Fusano-Ostia Antica is warmer than normal for late October today (+2.7 °F).
More about Acilia-Castel Fusano-Ostia Antica today
Water temperature near Acilia-Castel Fusano-Ostia Antica
- Torvaianica 70.9 °F · 12 mi
- Passoscuro 71.1 °F · 13 mi
- Ladispoli 71.1 °F · 18 mi
- Nettuno 70.9 °F · 27 mi
- Santa Marinella 71.2 °F · 31 mi
- Prato di Coppola 71.1 °F · 37 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 4.4 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 6:05 am (local time).
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