A sighting after sunset (19:53) in clear, dark weather gives a small chance (43%). Conditions on the coast of Katwijk tonight (September 18) are only mildly favourable:
Ideal water temperature (17.7°C)
Unfavourable:
not yet at the peak of the season (that is in late August)
wind gusts too heavy (36 km/h)
high waves (1.5 m)
high tide is 42 minutes after sunset, so not at the best moment
Cloudiness
Wind
Pressure
Humidity
15-day weather forecast in Katwijk
The weather for the next 15 days in Katwijk.
Today
18 Sep
15,9° / 18,4°
0 mm
4 WSW
9
Night
16,0°
feels like 12,9°
4 W
Morning
16,7°
feels like 13,5°
4 W
Afternoon
18,4°
feels like 14,5°
4 WSW
Evening
17,9°
feels like 14,9°
4 SW
9
Weather score
A 10 is a perfect day: full sunshine, no wind. Points are deducted for wind, rain, clouds and thunderstorms.
Rain chance
32%
Precipitation
0 mm
Humidity
64%
Pressure
1012 hPa
Daylight
12 hrs and 30 min.
Sun hours
10 hrs and 12 min.
Cloudiness
47%
UV index
4.2 Moderate
Tomorrow
19 Sep
16,8° / 19,0°
0.2 mm
5 SW
7,5
Night
18,2°
feels like 15,4°
5 WSW
Morning
18,6°
feels like 15,8°
5 WSW
Afternoon
18,9°
feels like 16,5°
5 SW
Evening
18,8°
feels like 16,1°
5 SW
7,5
Weather score
Moderate wind (Bft 5) · High chance of rain (63%) · Mostly cloudy
Rain chance
63%
Precipitation
0.2 mm
Humidity
81%
Pressure
1014 hPa
Daylight
12 hrs and 24 min.
Sun hours
0 hrs and 0 min.
Cloudiness
100%
UV index
4 Moderate
Sunday
20 Sep
17,0° / 18,9°
0 mm
5 WNW
8
Night
18,2°
feels like 15,8°
4 W
Morning
17,6°
feels like 13,4°
5 WNW
Afternoon
18,0°
feels like 13,2°
4 NW
Evening
17,1°
feels like 13,8°
3 NW
8
Weather score
Moderate wind (Bft 5) · High chance of rain (65%)
Rain chance
65%
Precipitation
0 mm
Humidity
64%
Pressure
1022 hPa
Daylight
12 hrs and 24 min.
Sun hours
8 hrs and 18 min.
Cloudiness
44%
UV index
3.9 Moderate
Monday
21 Sep
14,1° / 17,8°
0 mm
3 W
9,5
Night
14,9°
feels like 13,6°
2 WNW
Morning
17,0°
feels like 15,7°
2 W
Afternoon
17,3°
feels like 15,4°
3 W
Evening
15,6°
feels like 14,1°
2 W
9,5
Weather score
A 10 is a perfect day: full sunshine, no wind. Points are deducted for wind, rain, clouds and thunderstorms.
Rain chance
8%
Precipitation
0 mm
Humidity
65%
Pressure
1030 hPa
Daylight
12 hrs and 18 min.
Sun hours
11 hrs and 18 min.
Cloudiness
42%
UV index
4.3 Moderate
Tuesday
22 Sep
16,6° / 20,1°
0.3 mm
2 NW
9,5
Night
17,0°
feels like 17,6°
2 WNW
Morning
18,5°
feels like 19,6°
2 NNW
Afternoon
20,0°
feels like 21,0°
2 NW
Evening
16,9°
feels like 18,4°
1 NNE
9,5
Weather score
A 10 is a perfect day: full sunshine, no wind. Points are deducted for wind, rain, clouds and thunderstorms.
Rain chance
10%
Precipitation
0.3 mm
Humidity
88%
Pressure
1027 hPa
Daylight
12 hrs and 12 min.
Sun hours
11 hrs and 18 min.
Cloudiness
50%
UV index
2.5 Low
Wednesday
23 Sep
13,9° / 20,6°
0 mm
3 SE
9,5
Night
14,2°
feels like 14,2°
2 SE
Morning
16,4°
feels like 16,4°
2 SE
Afternoon
20,1°
feels like 19,9°
3 SE
Evening
17,3°
feels like 16,7°
3 SE
9,5
Weather score
A 10 is a perfect day: full sunshine, no wind. Points are deducted for wind, rain, clouds and thunderstorms.
Rain chance
16%
Precipitation
0 mm
Humidity
87%
Pressure
1021 hPa
Daylight
12 hrs and 12 min.
Sun hours
11 hrs and 12 min.
Cloudiness
92%
UV index
3 Moderate
Thursday
24 Sep
12,4° / 18,0°
0.6 mm
5 W
8,5
Night
14,6°
feels like 10,1°
5 W
Morning
15,4°
feels like 14,0°
3 NNW
Afternoon
16,8°
feels like 16,0°
2 NNW
Evening
13,2°
feels like 12,7°
1 ENE
8,5
Weather score
Moderate wind (Bft 5)
Rain chance
17%
Precipitation
0.6 mm
Humidity
76%
Pressure
1017 hPa
Daylight
12 hrs and 6 min.
Sun hours
11 hrs and 24 min.
Cloudiness
38%
UV index
3.9 Moderate
Friday
25 Sep
10,3° / 22,2°
0 mm
3 SSE
9,5
Night
10,3°
feels like 8,4°
2 SE
Morning
14,2°
feels like 12,9°
2 SSE
Afternoon
22,2°
feels like 22,7°
2 SSE
Evening
19,8°
feels like 20,4°
2 SSW
9,5
Weather score
A 10 is a perfect day: full sunshine, no wind. Points are deducted for wind, rain, clouds and thunderstorms.
Rain chance
18%
Precipitation
0 mm
Humidity
81%
Pressure
1016 hPa
Daylight
12 hrs and 0 min.
Sun hours
11 hrs and 18 min.
Cloudiness
21%
UV index
3.9 Moderate
Saturday
26 Sep
14,4° / 17,9°
0 mm
4 NNW
9
Night
15,2°
feels like 13,9°
3 NW
Morning
16,0°
feels like 15,3°
2 NW
Afternoon
17,8°
feels like 17,3°
2 NW
Evening
14,8°
feels like 14,4°
2 NE
9
Weather score
A 10 is a perfect day: full sunshine, no wind. Points are deducted for wind, rain, clouds and thunderstorms.
Rain chance
12%
Precipitation
0 mm
Humidity
77%
Pressure
1021 hPa
Daylight
12 hrs and 0 min.
Sun hours
6 hrs and 48 min.
Cloudiness
100%
UV index
3.9 Moderate
Sunday
27 Sep
11,8° / 21,5°
0 mm
3 ESE
9,5
Night
11,9°
feels like 10,3°
2 ESE
Morning
14,3°
feels like 13,1°
3 ESE
Afternoon
21,0°
feels like 21,1°
3 SE
Evening
21,3°
feels like 22,2°
2 SE
9,5
Weather score
A 10 is a perfect day: full sunshine, no wind. Points are deducted for wind, rain, clouds and thunderstorms.
Rain chance
20%
Precipitation
0 mm
Humidity
81%
Pressure
1016 hPa
Daylight
11 hrs and 54 min.
Sun hours
11 hrs and 0 min.
Cloudiness
83%
UV index
3.8 Moderate
Monday
28 Sep
16,7° / 20,9°
0 mm
4 SSW
9
Night
17,8°
feels like 16,7°
3 SE
Morning
18,4°
feels like 17,7°
2 SSW
Afternoon
20,7°
feels like 19,3°
4 SW
Evening
17,4°
feels like 14,6°
4 SW
9
Weather score
A 10 is a perfect day: full sunshine, no wind. Points are deducted for wind, rain, clouds and thunderstorms.
Rain chance
20%
Precipitation
0 mm
Humidity
71%
Pressure
1011 hPa
Daylight
11 hrs and 48 min.
Sun hours
9 hrs and 54 min.
Cloudiness
84%
UV index
3.6 Moderate
Tuesday
29 Sep
14,0° / 17,1°
0 mm
3 WSW
9,5
Night
14,3°
feels like 12,3°
3 W
Morning
14,9°
feels like 12,9°
3 WSW
Afternoon
16,9°
feels like 14,7°
3 WSW
Evening
14,5°
feels like 13,0°
2 S
9,5
Weather score
A 10 is a perfect day: full sunshine, no wind. Points are deducted for wind, rain, clouds and thunderstorms.
