Water temperature in Nihonbashi-Kayabachō
Sea surface temperature · updated today, Thursday, October 29, at 11:04 am (GMT+9)- Today
- 69.8–70.3 °F
- Air today
- 48 / 57 °F
- Wed 4
- 68.5 °F
- Wetsuit
- Shorty (springsuit)
Today the water in Nihonbashi-Kayabachō is 70.0 °F and ranges 69.8–70.3 °F through the day, with the air between 48 °F and 57 °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 Nihonbashi-Kayabachō (1.3 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 Nihonbashi-Kayabachō is warmer than normal for late October today (+1.4 °F).
- 56.5° 57°JanJ
- 54.6° 55°FebF
- 55.7° 56°MarM
- 58.9° 59°AprA
- 64.3° 64°MayM
- 69.5° 70°JunJ
- 74.2° 74°JulJ
- 78.5° 79°AugA
- 76.4° 76°SepS
- 70.8° 71°OctO
- 65.9° 66°NovN
- 60.8° 61°DecD
- Monthly normal
- Today
- Best time
The best time to swim in Nihonbashi-Kayabachō is from June to October, when the water averages 69.5–78.5 °F.
The water is warmest in August (78.5 °F on average) and coldest in February (54.6 °F).
Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 6.6 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 | 69.8–70.3 °F | 48 / 57 °F | 0.6 ft |
| Fri 30 | 69.4–69.8 °F | 52 / 65 °F | 1.0 ft |
| Sat 31 | 69.3–69.8 °F | 53 / 71 °F | 1.2 ft |
| Sun 1 | 69.1–69.3 °F | 52 / 63 °F | 0.9 ft |
| Mon 2 | 68.7–69.1 °F | 53 / 61 °F | 1.5 ft |
| Tue 3 | 68.5–69.1 °F | 53 / 71 °F | 1.6 ft |
| Wed 4 | 68.2–68.7 °F | 55 / 59 °F | 1.2 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 | 70.7 °F | 70.3–71.1 °F |
| Tue 27 | 71.1 °F | 71.1–71.2 °F |
| Mon 26 | 71.4 °F | 71.2–71.6 °F |
| Sun 25 | 71.6 °F | 71.4–71.8 °F |
| Sat 24 | 71.8 °F | 71.6–72.0 °F |
| Fri 23 | 72.1 °F | 72.0–72.3 °F |
| Thu 22 | 72.7 °F | 72.3–72.9 °F |
Show all 60 days
| Day | Water | Low / high |
|---|---|---|
| Wed 21 | 72.7 °F | 72.5–72.9 °F |
| Tue 20 | 72.5 °F | 72.3–72.9 °F |
| Mon 19 | 72.3 °F | 72.1–72.5 °F |
| Sun 18 | 72.3 °F | 72.1–72.7 °F |
| Sat 17 | 72.5 °F | 72.3–72.7 °F |
| Fri 16 | 72.5 °F | 72.1–72.9 °F |
| Thu 15 | 72.3 °F | 72.3–72.5 °F |
| Wed 14 | 72.5 °F | 72.3–72.9 °F |
| Tue 13 | 72.3 °F | 72.1–72.7 °F |
| Mon 12 | 72.3 °F | 72.1–72.7 °F |
| Sun 11 | 72.5 °F | 72.1–72.9 °F |
| Sat 10 | 72.3 °F | 72.0–72.7 °F |
| Fri 9 | 72.1 °F | 71.8–72.7 °F |
| Thu 8 | 72.0 °F | 71.8–72.5 °F |
| Wed 7 | 72.1 °F | 72.0–72.3 °F |
| Tue 6 | 72.3 °F | 72.0–72.7 °F |
| Mon 5 | 72.1 °F | 72.0–72.3 °F |
| Sun 4 | 72.5 °F | 72.3–72.7 °F |
| Sat 3 | 73.0 °F | 72.7–73.2 °F |
| Fri 2 | 73.2 °F | 73.0–73.4 °F |
| Thu 1 | 73.2 °F | 72.7–73.9 °F |
| Wed 30 | 73.4 °F | 72.9–73.8 °F |
| Tue 29 | 74.3 °F | 73.8–74.5 °F |
| Mon 28 | 74.5 °F | 74.5–74.7 °F |
| Sun 27 | 74.7 °F | 74.5–74.8 °F |
| Sat 26 | 75.0 °F | 74.8–75.2 °F |
| Fri 25 | 75.4 °F | 74.8–75.9 °F |
| Thu 24 | 75.2 °F | 74.5–75.9 °F |
| Wed 23 | 75.2 °F | 74.7–75.6 °F |
| Tue 22 | 75.6 °F | 75.0–76.3 °F |
| Mon 21 | 75.0 °F | 75.0–75.2 °F |
| Sun 20 | 75.4 °F | 75.2–75.4 °F |
| Sat 19 | 75.4 °F | 75.4–75.6 °F |
| Fri 18 | 75.9 °F | 75.7–76.3 °F |
| Thu 17 | 76.6 °F | 76.3–76.8 °F |
| Wed 16 | 77.7 °F | 76.8–78.3 °F |
| Tue 15 | 78.3 °F | 77.9–78.6 °F |
| Mon 14 | 77.9 °F | 77.5–78.3 °F |
| Sun 13 | 77.5 °F | 77.0–78.1 °F |
| Sat 12 | 77.4 °F | 77.2–77.5 °F |
| Fri 11 | 77.9 °F | 77.5–78.4 °F |
| Thu 10 | 78.8 °F | 78.4–79.3 °F |
| Wed 9 | 79.5 °F | 79.3–79.7 °F |
| Tue 8 | 79.5 °F | 78.8–80.6 °F |
| Mon 7 | 79.3 °F | 78.8–79.7 °F |
| Sun 6 | 80.2 °F | 79.7–80.8 °F |
| Sat 5 | 81.0 °F | 80.8–81.1 °F |
| Fri 4 | 81.5 °F | 81.1–81.7 °F |
| Thu 3 | 82.0 °F | 81.9–82.2 °F |
| Wed 2 | 82.4 °F | 82.0–82.9 °F |
| Tue 1 | 82.4 °F | 81.9–82.9 °F |
| Mon 31 | 82.4 °F | 82.2–82.6 °F |
| Sun 30 | 82.8 °F | 82.6–83.1 °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 Nihonbashi-KayabachōQuestions
What's the water temperature today in Nihonbashi-Kayabachō?
70.0 °F; through the day it ranges 69.8–70.3 °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 Nihonbashi-Kayabachō in October?
In October, the water in Nihonbashi-Kayabachō averages 70.8 °F (1991–2020). For a long swim: shorty (springsuit) (pleasant).
How warm is the water in Nihonbashi-Kayabachō in August?
In August, the water in Nihonbashi-Kayabachō averages 78.5 °F (1991–2020), the warmest of the year. For a long swim: no wetsuit (warm).
When is the best time to swim in Nihonbashi-Kayabachō?
The best time to swim in Nihonbashi-Kayabachō is from June to October, when the water averages 69.5–78.5 °F. The water is warmest in August (78.5 °F on average) and coldest in February (54.6 °F).
Is the water warmer or colder than normal?
The water off Nihonbashi-Kayabachō is warmer than normal for late October today (+1.4 °F).
More about Nihonbashi-Kayabachō today
Water temperature near Nihonbashi-Kayabachō
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 6.6 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 11:04 am (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from