Water temperature in Aho-dong
Sea surface temperature · updated today, Thursday, October 29, at 3:05 pm (GMT+9)- Today
- 62.6–63.5 °F
- Air today
- 42 / 54 °F
- Wed 4
- 58.6 °F
- Wetsuit
- 3/2 mm
Today the water in Aho-dong is 63.0 °F and ranges 62.6–63.5 °F through the day, with the air between 42 °F and 54 °F. It cools over the next few days: about 58.6 °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 Aho-dong (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.
Big gap with the model, which gives 63.0 °F right now (2.7 °F lower). The forecast is a calculation and this is a measurement: the water is probably warmer than the model says.
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 18.5 °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 Aho-dong is about normal for late October today.
- 40.9° 41°JanJ
- 38.5° 38°FebF
- 40.9° 41°MarM
- 47.1° 47°AprA
- 54.7° 55°MayM
- 63.2° 63°JunJ
- 70.4° 70°JulJ
- 75.8° 76°AugA
- 74.0° 74°SepS
- 66.7° 67°OctO
- 57.2° 57°NovN
- 47.5° 48°DecD
- Monthly normal
- Today
- Best time
The best time to swim in Aho-dong is from July to September, when the water averages 70.4–75.8 °F.
The water is warmest in August (75.8 °F on average) and coldest in February (38.5 °F).
Monthly averages for 1991–2020 (NOAA OISST, from satellites and buoys; nearest data point 19 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 | 62.6–63.5 °F | 42 / 54 °F | 1.7 ft |
| Fri 30 | 62.2–63.0 °F | 44 / 64 °F | 1.0 ft |
| Sat 31 | 61.5–62.4 °F | 41 / 52 °F | 0.9 ft |
| Sun 1 | 60.4–61.3 °F | 41 / 53 °F | 0.7 ft |
| Mon 2 | 59.9–60.4 °F | 41 / 58 °F | 0.8 ft |
| Tue 3 | 59.2–59.9 °F | 37 / 60 °F | 0.7 ft |
| Wed 4 | 58.1–59.2 °F | 40 / 60 °F | 0.5 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 | 64.2 °F | 63.7–65.1 °F |
| Tue 27 | 65.8 °F | 65.3–66.2 °F |
| Mon 26 | 66.4 °F | 66.2–66.7 °F |
| Sun 25 | 66.6 °F | 66.0–67.3 °F |
| Sat 24 | 66.9 °F | 66.6–67.1 °F |
| Fri 23 | 67.6 °F | 67.1–68.0 °F |
| Thu 22 | 68.5 °F | 68.2–69.3 °F |
Show all 60 days
| Day | Water | Low / high |
|---|---|---|
| Wed 21 | 69.1 °F | 68.2–70.3 °F |
| Tue 20 | 69.1 °F | 68.5–69.6 °F |
| Mon 19 | 70.0 °F | 69.6–70.7 °F |
| Sun 18 | 71.2 °F | 70.7–71.8 °F |
| Sat 17 | 71.8 °F | 71.4–72.1 °F |
| Fri 16 | 72.1 °F | 71.8–72.5 °F |
| Thu 15 | 72.7 °F | 72.3–73.2 °F |
| Wed 14 | 72.3 °F | 70.9–73.6 °F |
| Tue 13 | 72.3 °F | 72.1–72.5 °F |
| Mon 12 | 72.3 °F | 71.2–73.2 °F |
| Sun 11 | 72.0 °F | 71.2–72.9 °F |
| Sat 10 | 71.8 °F | 71.2–72.5 °F |
| Fri 9 | 72.0 °F | 71.6–72.7 °F |
| Thu 8 | 72.5 °F | 72.1–72.9 °F |
| Wed 7 | 72.5 °F | 71.6–73.6 °F |
| Tue 6 | 72.5 °F | 72.1–72.9 °F |
| Mon 5 | 73.8 °F | 73.0–74.3 °F |
| Sun 4 | 74.7 °F | 74.3–75.0 °F |
| Sat 3 | 75.4 °F | 75.0–75.9 °F |
| Fri 2 | 76.5 °F | 75.9–77.2 °F |
| Thu 1 | 77.7 °F | 77.2–78.4 °F |
| Wed 30 | 76.5 °F | 74.5–78.6 °F |
| Tue 29 | 76.5 °F | 75.6–77.0 °F |
| Mon 28 | 77.5 °F | 77.2–77.9 °F |
| Sun 27 | 77.7 °F | 77.2–78.4 °F |
| Sat 26 | 77.9 °F | 77.5–78.8 °F |
| Fri 25 | 77.7 °F | 77.5–78.1 °F |
| Thu 24 | 78.3 °F | 77.9–79.0 °F |
| Wed 23 | 77.9 °F | 76.6–79.2 °F |
| Tue 22 | 77.4 °F | 76.6–78.1 °F |
| Mon 21 | 77.7 °F | 77.2–78.6 °F |
| Sun 20 | 78.1 °F | 77.4–78.8 °F |
| Sat 19 | 78.3 °F | 77.7–79.2 °F |
| Fri 18 | 78.3 °F | 77.7–78.8 °F |
| Thu 17 | 77.2 °F | 76.6–77.7 °F |
| Wed 16 | 76.1 °F | 74.3–78.1 °F |
| Tue 15 | 76.1 °F | 75.4–76.6 °F |
| Mon 14 | 77.0 °F | 76.5–77.5 °F |
| Sun 13 | 76.8 °F | 76.6–77.0 °F |
| Sat 12 | 77.5 °F | 76.8–78.1 °F |
| Fri 11 | 78.8 °F | 78.3–79.2 °F |
| Thu 10 | 79.5 °F | 79.0–80.2 °F |
| Wed 9 | 80.6 °F | 80.4–81.0 °F |
| Tue 8 | 81.0 °F | 80.4–81.7 °F |
| Mon 7 | 81.3 °F | 81.0–81.9 °F |
| Sun 6 | 81.9 °F | 81.7–82.2 °F |
| Sat 5 | 82.6 °F | 82.4–82.9 °F |
| Fri 4 | 82.0 °F | 81.5–82.6 °F |
| Thu 3 | 81.7 °F | 81.0–82.4 °F |
| Wed 2 | 81.5 °F | 81.0–82.0 °F |
| Tue 1 | 81.7 °F | 81.0–82.4 °F |
| Mon 31 | 82.0 °F | 81.5–82.6 °F |
| Sun 30 | 82.8 °F | 82.2–83.3 °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 Aho-dongQuestions
What's the water temperature today in Aho-dong?
63.0 °F; through the day it ranges 62.6–63.5 °F.
Will the water get warmer or colder?
It cools over the next few days: about 58.6 °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 Aho-dong in October?
In October, the water in Aho-dong averages 66.7 °F (1991–2020). For a long swim: shorty (springsuit) (pleasant).
How warm is the water in Aho-dong in August?
In August, the water in Aho-dong averages 75.8 °F (1991–2020), the warmest of the year. For a long swim: no wetsuit (warm).
When is the best time to swim in Aho-dong?
The best time to swim in Aho-dong is from July to September, when the water averages 70.4–75.8 °F. The water is warmest in August (75.8 °F on average) and coldest in February (38.5 °F).
Is the water warmer or colder than normal?
The water off Aho-dong is about normal for late October today.
More about Aho-dong today
Water temperature near Aho-dong
- Ganghwa-gun 62.8 °F · 12 mi
- Incheon 64.9 °F · 35 mi
- Haeju 61.9 °F · 37 mi
- Seoul 66.9 °F · 40 mi
- Pyŏksŏng-ŭp 61.9 °F · 46 mi
- T’aet’an-ŭp 60.4 °F · 60 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 7.1 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 3:05 pm (local time).
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