Water temperature in Ōno-hara
Sea surface temperature · updated today, Thursday, October 29, at 8:52 am (GMT+9)- Today
- 72.5–72.9 °F
- Air today
- 53 / 67 °F
- Wed 4
- 71.4 °F
- Wetsuit
- Rash guard or top
Today the water in Ōno-hara is 72.5 °F and ranges 72.5–72.9 °F through the day, with the air between 53 °F and 67 °F. It cools over the next few days: about 71.4 °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 Ōno-hara (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 12.1 °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 Ōno-hara is warmer than normal for late October today (+1.5 °F).
- 58.1° 58°JanJ
- 55.4° 55°FebF
- 55.7° 56°MarM
- 58.2° 58°AprA
- 62.7° 63°MayM
- 68.7° 69°JunJ
- 75.5° 76°JulJ
- 79.3° 79°AugA
- 77.4° 77°SepS
- 73.5° 74°OctO
- 68.4° 68°NovN
- 62.6° 63°DecD
- Monthly normal
- Today
- Best time
The best time to swim in Ōno-hara is from June to September, when the water averages 68.7–79.3 °F.
The water is warmest in August (79.3 °F on average) and coldest in February (55.4 °F).
Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 14 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 | 72.5–72.9 °F | 53 / 67 °F | 0.5 ft |
| Fri 30 | 72.0–72.5 °F | 58 / 72 °F | 0.5 ft |
| Sat 31 | 72.1–72.5 °F | 53 / 71 °F | 0.9 ft |
| Sun 1 | 72.0–72.1 °F | 50 / 64 °F | 0.1 ft |
| Mon 2 | 71.4–72.0 °F | 58 / 71 °F | 1.5 ft |
| Tue 3 | 71.6–72.0 °F | 53 / 68 °F | 0.3 ft |
| Wed 4 | 71.2–71.6 °F | 55 / 62 °F | 0.7 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 | 73.0 °F | 72.7–73.0 °F |
| Tue 27 | 73.0 °F | 73.0–73.4 °F |
| Mon 26 | 73.4 °F | 73.2–73.6 °F |
| Sun 25 | 73.6 °F | 73.4–73.8 °F |
| Sat 24 | 73.6 °F | 73.4–73.6 °F |
| Fri 23 | 73.9 °F | 73.6–74.3 °F |
| Thu 22 | 74.5 °F | 74.3–74.7 °F |
Show all 60 days
| Day | Water | Low / high |
|---|---|---|
| Wed 21 | 75.0 °F | 74.7–75.2 °F |
| Tue 20 | 75.0 °F | 74.7–75.7 °F |
| Mon 19 | 74.8 °F | 74.7–75.4 °F |
| Sun 18 | 74.8 °F | 74.7–75.0 °F |
| Sat 17 | 75.0 °F | 74.8–75.2 °F |
| Fri 16 | 75.2 °F | 75.0–75.4 °F |
| Thu 15 | 75.6 °F | 75.4–75.7 °F |
| Wed 14 | 75.9 °F | 75.7–75.9 °F |
| Tue 13 | 76.1 °F | 75.7–76.8 °F |
| Mon 12 | 76.1 °F | 75.7–76.6 °F |
| Sun 11 | 76.1 °F | 75.6–76.8 °F |
| Sat 10 | 75.9 °F | 75.4–76.8 °F |
| Fri 9 | 75.7 °F | 75.2–76.6 °F |
| Thu 8 | 75.6 °F | 75.4–75.9 °F |
| Wed 7 | 75.7 °F | 75.4–76.1 °F |
| Tue 6 | 75.7 °F | 75.6–75.9 °F |
| Mon 5 | 75.7 °F | 75.6–76.1 °F |
| Sun 4 | 75.9 °F | 75.7–76.3 °F |
| Sat 3 | 76.3 °F | 75.9–76.5 °F |
| Fri 2 | 76.1 °F | 75.7–76.5 °F |
| Thu 1 | 76.1 °F | 75.4–77.2 °F |
| Wed 30 | 76.3 °F | 75.9–76.8 °F |
| Tue 29 | 76.5 °F | 76.3–77.0 °F |
| Mon 28 | 77.2 °F | 77.0–77.4 °F |
| Sun 27 | 77.7 °F | 77.4–77.9 °F |
| Sat 26 | 78.4 °F | 77.9–79.0 °F |
| Fri 25 | 79.0 °F | 78.8–79.5 °F |
| Thu 24 | 79.3 °F | 78.8–80.1 °F |
| Wed 23 | 79.5 °F | 79.0–79.9 °F |
| Tue 22 | 79.7 °F | 79.5–80.1 °F |
| Mon 21 | 79.7 °F | 79.5–80.1 °F |
| Sun 20 | 79.7 °F | 79.3–80.2 °F |
| Sat 19 | 79.5 °F | 79.0–80.2 °F |
| Fri 18 | 79.7 °F | 79.0–79.9 °F |
| Thu 17 | 80.1 °F | 79.7–80.4 °F |
| Wed 16 | 80.6 °F | 80.1–81.0 °F |
| Tue 15 | 81.0 °F | 80.2–81.7 °F |
| Mon 14 | 81.5 °F | 81.0–82.0 °F |
| Sun 13 | 81.7 °F | 81.0–82.8 °F |
| Sat 12 | 81.3 °F | 80.8–82.0 °F |
| Fri 11 | 81.1 °F | 80.8–81.5 °F |
| Thu 10 | 81.1 °F | 81.0–81.3 °F |
| Wed 9 | 81.9 °F | 81.3–82.0 °F |
| Tue 8 | 82.2 °F | 82.0–82.4 °F |
| Mon 7 | 82.2 °F | 82.0–82.2 °F |
| Sun 6 | 82.6 °F | 82.4–82.6 °F |
| Sat 5 | 82.9 °F | 82.8–83.1 °F |
| Fri 4 | 83.3 °F | 82.9–83.7 °F |
| Thu 3 | 84.2 °F | 83.5–84.9 °F |
| Wed 2 | 85.3 °F | 84.7–86.2 °F |
| Tue 1 | 85.3 °F | 84.7–85.8 °F |
| Mon 31 | 85.5 °F | 84.7–86.7 °F |
| Sun 30 | 85.1 °F | 84.2–86.0 °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 Ōno-haraQuestions
What's the water temperature today in Ōno-hara?
72.5 °F; through the day it ranges 72.5–72.9 °F.
Will the water get warmer or colder?
It cools over the next few days: about 71.4 °F by Wednesday 4.
Which wetsuit do I need today?
With the water as it is today, rash guard or top (very pleasant). It's a rough guide: it depends on the wind and each person.
How warm is the water in Ōno-hara in October?
In October, the water in Ōno-hara averages 73.5 °F (1991–2020). For a long swim: rash guard or top (very pleasant).
How warm is the water in Ōno-hara in August?
In August, the water in Ōno-hara averages 79.3 °F (1991–2020), the warmest of the year. For a long swim: no wetsuit (warm).
When is the best time to swim in Ōno-hara?
The best time to swim in Ōno-hara is from June to September, when the water averages 68.7–79.3 °F. The water is warmest in August (79.3 °F on average) and coldest in February (55.4 °F).
Is the water warmer or colder than normal?
The water off Ōno-hara is warmer than normal for late October today (+1.5 °F).
More about Ōno-hara today
Water temperature near Ōno-hara
- Etajima 72.9 °F · 13 mi
- Hiroshima 72.7 °F · 13 mi
- Yanai 73.4 °F · 23 mi
- Ōshima 72.7 °F · 24 mi
- Shūnan 72.7 °F · 29 mi
- Kaminoseki 73.4 °F · 32 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 5.4 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 8:52 am (local time).
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