Water temperature in Katsuura
80.7
°F
August 15, 14:46
Trend:
stableYesterday:
81.2°FTomorrow:
81.1°F
Sunrise:
Sunset:
Day Length:
13 h. 30 min.Katsuura in August
Minimum:
61.7°FAverage:
63.8°FMaximum:
66.0°FSea water temperature in Katsuura today
As of now, in Katsuura, the water temperature is 80.7°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.2°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.Recent sea temperature and forecast
The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 81.8°F on 2019, while the historical minimum was 76.8°F on 2025.
Daily water temperature in Katsuura
| Date |
Current Year
actual* / forecast** |
last year | 10 years average |
|---|---|---|---|
| Aug 1 | 78.5°F | 82.1°F | 77.7°F |
| Aug 2 | 80.8°F | 82.1°F | 78.2°F |
| Aug 3 | 79.4°F | 81.0°F | 78.0°F |
| Aug 4 | 78.3°F | 82.0°F | 78.5°F |
| Aug 5 | 77.9°F | 81.3°F | 78.8°F |
| Aug 6 | 75.3°F | 81.8°F | 79.0°F |
| Aug 7 | 80.9°F | 81.0°F | 79.9°F |
| Aug 8 | 81.4°F | 80.9°F | 80.0°F |
| Aug 9 | 81.9°F | 80.8°F | 79.9°F |
| Aug 10 | 80.0°F | 80.3°F | 79.4°F |
| Aug 11 | 81.6°F | 80.2°F | 79.3°F |
| Aug 12 | 80.9°F | 79.8°F | 79.5°F |
| Aug 13 | 80.7°F | 80.0°F | 79.9°F |
| Aug 14 | 81.2°F | 80.1°F | 80.1°F |
| Aug 15 | 80.7°F | 76.8°F | 79.5°F |
| Aug 16 | 81.1°F | 77.6°F | 79.9°F |
| Aug 17 | 80.9°F | 77.9°F | 79.7°F |
| Aug 18 | 80.6°F | 78.8°F | 79.4°F |
| Aug 19 | 80.4°F | 77.9°F | 79.2°F |
| Aug 20 | 80.6°F | 78.5°F | 79.4°F |
| Aug 21 | 80.5°F | 79.2°F | 79.3°F |
| Aug 22 | 80.4°F | 78.8°F | 79.2°F |
* actual - actual temperature values
** forecast - projected values for the next week
Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.
Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Isumi |
79.8°F
|
8mi |
| Kisarazu |
80.6°F
|
27mi |
| Ichihara |
78.9°F
|
29mi |
| Kimitsu |
80.9°F
|
29mi |
| Futtsu |
81.1°F
|
30mi |
| Chiba |
78.8°F
|
33mi |
| Yokosuka |
80.7°F
|
38mi |
| Yokohama |
81.3°F
|
42mi |
| Kawasaki |
80.8°F
|
42mi |
| Honchō |
78.7°F
|
43mi |
* current water temperature in this city
** straight line distance from Katsuura