All data are in degrees Fahrenheit

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Netherlands > Katwijk aan Zee

Water temperature in Katwijk aan Zee

Detailed information about the current water temperature in Katwijk aan Zee. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Katwijk aan Zee now

46.8

°F

December 15, 23:15

Trend:

decreasing

Yesterday:

47.7°F

Tomorrow:

46.6°F

Sunrise:

08:45

Sunset:

16:30

Day Length:

7 h. 45 min.

Katwijk aan Zee in December

Minimum:

42.7°F

Average:

44.1°F

Maximum:

45.8°F

Sea water temperature in Katwijk aan Zee today

As of now, in Katwijk aan Zee, the water temperature is 46.8°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is about the same as 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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 48.5°F on 2020, while the historical minimum was 45.9°F on 2017.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the histoorical minimum and others when it was close to the historical maximum. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 46.5°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Katwijk aan Zee

Date Current Year

actual* / forecast**

 last year 10 years average
Dec 1 49.2°F 48.2°F 49.4°F
Dec 2 49.0°F 47.9°F 49.1°F
Dec 3 48.8°F 48.3°F 48.9°F
Dec 4 48.3°F 48.6°F 48.7°F
Dec 5 47.7°F 47.4°F 48.4°F
Dec 6 47.8°F 47.5°F 48.3°F
Dec 7 47.7°F 47.4°F 48.1°F
Dec 8 47.8°F 48.2°F 47.9°F
Dec 9 47.4°F 48.1°F 47.9°F
Dec 10 47.3°F 47.9°F 47.8°F
Dec 11 48.3°F 47.7°F 47.7°F
Dec 12 48.5°F 47.5°F 47.5°F
Dec 13 48.2°F 47.3°F 47.2°F
Dec 14 47.7°F 47.2°F 47.1°F
Dec 15 46.8°F 46.6°F 47.0°F
Dec 16 46.6°F 46.7°F 46.8°F
Dec 17 46.4°F 46.4°F 46.5°F
Dec 18 46.5°F 46.4°F 46.7°F
Dec 19 46.2°F 45.8°F 46.4°F
Dec 20 46.4°F 47.1°F 46.5°F
Dec 21 46.6°F 47.1°F 46.7°F
Dec 22 46.5°F 47.3°F 46.6°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.

Sea water temperature in Katwijk aan Zee by month

January

February

March

April

May

June

July

August

September

October

November

December

In an average year, Katwijk aan Zee offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Katwijk aan Zee was recorded on September 11, 2023, reaching a 71.7°F. While the coldest temperature occurred on March 4, 2018, dipping to 37.3°F. The average readings by season are 44.5°F in Winter, 48.8°F in Spring, 64.5°F in Summer, and 59.3°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Leiden 46.8°F 5mi
Scheveningen 46.9°F 9mi
The Hague 46.8°F 10mi
Amsterdam 44.4°F 24mi

* current water temperature in this city

** straight line distance from Katwijk aan Zee