Water temperature in T’ongch’ŏn-ŭp
Sea surface temperature · updated today, Thursday, October 29, at 1:58 pm (GMT+9)- Today
- 63.0–63.3 °F
- Air today
- 39 / 55 °F
- Wed 4
- 60.7 °F
- Wetsuit
- 3/2 mm
Today the water in T’ongch’ŏn-ŭp is 63.0 °F and ranges 63.0–63.3 °F through the day, with the air between 39 °F and 55 °F. It cools over the next few days: about 60.7 °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 T’ongch’ŏn-ŭp (1.0 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 14.4 °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 T’ongch’ŏn-ŭp is warmer than normal for late October today (+3.0 °F).
- 42.0° 42°JanJ
- 39.9° 40°FebF
- 41.6° 42°MarM
- 47.4° 47°AprA
- 55.2° 55°MayM
- 64.2° 64°JunJ
- 71.7° 72°JulJ
- 75.6° 76°AugA
- 71.4° 71°SepS
- 64.4° 64°OctO
- 56.1° 56°NovN
- 48.1° 48°DecD
- Monthly normal
- Today
- Best time
The best time to swim in T’ongch’ŏn-ŭp is from July to September, when the water averages 71.4–75.6 °F.
The water is warmest in August (75.6 °F on average) and coldest in February (39.9 °F).
Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 12 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 | 63.0–63.3 °F | 39 / 55 °F | 1.3 ft |
| Fri 30 | 63.0–63.3 °F | 48 / 65 °F | 1.0 ft |
| Sat 31 | 62.4–63.0 °F | 40 / 59 °F | 2.1 ft |
| Sun 1 | 61.9–62.4 °F | 42 / 51 °F | 1.7 ft |
| Mon 2 | 61.5–61.9 °F | 42 / 61 °F | 2.2 ft |
| Tue 3 | 61.0–61.5 °F | 35 / 61 °F | 1.7 ft |
| Wed 4 | 60.6–60.8 °F | 38 / 55 °F | 1.8 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 | 63.7 °F | 63.3–64.0 °F |
| Tue 27 | 64.6 °F | 64.0–65.1 °F |
| Mon 26 | 65.1 °F | 64.9–65.5 °F |
| Sun 25 | 65.3 °F | 65.1–65.5 °F |
| Sat 24 | 65.5 °F | 65.5–65.7 °F |
| Fri 23 | 65.7 °F | 65.5–65.8 °F |
| Thu 22 | 66.0 °F | 65.8–66.4 °F |
Show all 60 days
| Day | Water | Low / high |
|---|---|---|
| Wed 21 | 67.1 °F | 66.4–67.5 °F |
| Tue 20 | 67.6 °F | 67.3–68.2 °F |
| Mon 19 | 67.6 °F | 67.6–67.8 °F |
| Sun 18 | 68.0 °F | 67.6–68.2 °F |
| Sat 17 | 68.4 °F | 68.0–68.7 °F |
| Fri 16 | 68.4 °F | 68.0–68.9 °F |
| Thu 15 | 68.4 °F | 68.2–68.5 °F |
| Wed 14 | 69.1 °F | 68.7–69.6 °F |
| Tue 13 | 69.8 °F | 69.6–70.0 °F |
| Mon 12 | 70.2 °F | 69.8–70.7 °F |
| Sun 11 | 70.0 °F | 69.6–70.5 °F |
| Sat 10 | 70.0 °F | 69.4–70.7 °F |
| Fri 9 | 70.0 °F | 69.4–70.5 °F |
| Thu 8 | 70.0 °F | 69.6–70.5 °F |
| Wed 7 | 70.0 °F | 69.6–70.5 °F |
| Tue 6 | 70.3 °F | 70.0–70.7 °F |
| Mon 5 | 70.7 °F | 70.5–71.1 °F |
| Sun 4 | 71.1 °F | 70.9–71.4 °F |
| Sat 3 | 71.4 °F | 71.2–71.8 °F |
| Fri 2 | 71.8 °F | 71.6–72.1 °F |
| Thu 1 | 72.7 °F | 72.1–73.0 °F |
| Wed 30 | 73.2 °F | 73.0–73.6 °F |
| Tue 29 | 73.6 °F | 73.0–74.1 °F |
| Mon 28 | 73.4 °F | 73.2–73.8 °F |
| Sun 27 | 73.8 °F | 73.4–74.5 °F |
| Sat 26 | 73.8 °F | 73.4–74.5 °F |
| Fri 25 | 73.8 °F | 73.6–73.9 °F |
| Thu 24 | 74.1 °F | 73.6–75.0 °F |
| Wed 23 | 74.3 °F | 73.6–75.0 °F |
| Tue 22 | 74.1 °F | 73.6–74.8 °F |
| Mon 21 | 74.1 °F | 73.6–75.0 °F |
| Sun 20 | 74.3 °F | 73.8–75.0 °F |
| Sat 19 | 74.1 °F | 73.9–74.5 °F |
| Fri 18 | 74.3 °F | 74.1–74.5 °F |
| Thu 17 | 74.7 °F | 74.3–75.2 °F |
| Wed 16 | 74.8 °F | 74.5–75.6 °F |
| Tue 15 | 75.0 °F | 74.7–75.4 °F |
| Mon 14 | 75.0 °F | 74.7–75.6 °F |
| Sun 13 | 75.2 °F | 74.7–76.1 °F |
| Sat 12 | 75.2 °F | 74.7–75.9 °F |
| Fri 11 | 75.2 °F | 74.7–75.9 °F |
| Thu 10 | 75.4 °F | 75.2–75.6 °F |
| Wed 9 | 75.6 °F | 75.4–75.7 °F |
| Tue 8 | 76.1 °F | 75.7–76.6 °F |
| Mon 7 | 76.1 °F | 75.6–76.8 °F |
| Sun 6 | 75.9 °F | 75.6–76.1 °F |
| Sat 5 | 76.1 °F | 75.7–76.3 °F |
| Fri 4 | 76.5 °F | 76.1–76.8 °F |
| Thu 3 | 76.6 °F | 75.9–77.5 °F |
| Wed 2 | 76.3 °F | 75.6–77.2 °F |
| Tue 1 | 76.5 °F | 75.9–77.0 °F |
| Mon 31 | 77.4 °F | 77.2–78.1 °F |
| Sun 30 | 78.1 °F | 77.7–78.6 °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 T’ongch’ŏn-ŭpQuestions
What's the water temperature today in T’ongch’ŏn-ŭp?
63.0 °F; through the day it ranges 63.0–63.3 °F.
Will the water get warmer or colder?
It cools over the next few days: about 60.7 °F by Wednesday 4.
Which wetsuit do I need today?
With the water as it is today, 3/2 mm (mild). It's a rough guide: it depends on the wind and each person.
How warm is the water in T’ongch’ŏn-ŭp in October?
In October, the water in T’ongch’ŏn-ŭp averages 64.4 °F (1991–2020). For a long swim: 3/2 mm (mild).
How warm is the water in T’ongch’ŏn-ŭp in August?
In August, the water in T’ongch’ŏn-ŭp averages 75.6 °F (1991–2020), the warmest of the year. For a long swim: no wetsuit (warm).
When is the best time to swim in T’ongch’ŏn-ŭp?
The best time to swim in T’ongch’ŏn-ŭp is from July to September, when the water averages 71.4–75.6 °F. The water is warmest in August (75.6 °F on average) and coldest in February (39.9 °F).
Is the water warmer or colder than normal?
The water off T’ongch’ŏn-ŭp is warmer than normal for late October today (+3.0 °F).
More about T’ongch’ŏn-ŭp today
Water temperature near T’ongch’ŏn-ŭp
- Wŏnsan 62.2 °F · 28 mi
- Kosong 64.4 °F · 50 mi
- Sinsang-ni 61.5 °F · 55 mi
- Hŭngnam 60.4 °F · 63 mi
- Sokcho 64.8 °F · 64 mi
- Samho-rodongjagu 60.3 °F · 69 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 7.0 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 1:58 pm (local time).
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