8 Dec 2025: Tsunami Alert Issued for NE Japan

A magnitude-7.6 earthquake off the coast of Aomori Prefecture has triggered a tsunami warning. Early reports of 40cm waves, tsunamis up to 3m possible latest updates

Hornhole surfForecast / Sjelland / Denmark

information circle48hr Weather and Surf, issued 6 am Tuesday 09 Dec 2025 CET
Forecast update in hr  min  s Forecast update imminent
Hornhole surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hornhole sea temperature is
6.6° C
(Which is 2.3°C warmer than normal for this time of year)


How big are the waves at Hornhole today?

The current surf forecast for Hornhole at 8AM is: 0.1m 9s primary swell from a North direction (forecast issued at 06:00am December 09). An open ocean swell of 0.8m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (CET) & DateWave HeightWave Period
Morning (09 Dec)0.5ft (0.1m)9s
Afternoon (09 Dec)1.5ft (0.5m)4s
Evening (09 Dec)0.5ft (0.2m)4s

Table - waves today at Hornhole. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Tuesday
09
Wednesday
10
Thursday
11
Fri
12
4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
N
0.1
N
0.1
N
0.1
N
0.5
W
0.3
WSW
0.2
W
0.1
NW
0.1
NW
0.8
WSW
0.9
WSW
0.9
WSW
0.8
WSW
0.1
N
0.1
N
0.1
N
0.1
N
0.1
NW
0.1
NW
0.2
NNW
1.8
W
1.7
W
1.6
WNW
1.4
WNW
Period(s) (?)10998443445555101010101010106666
Wave
Graph
(?)Metric surfscale
Energy kJ (?)222183111000022224410229210171131
Wind
(km/h)
30
WSW
25
WSW
25
SW
25
WSW
15
SW
15
SSE
20
S
25
S
30
SW
30
WSW
30
WSW
30
WSW
25
SW
30
SW
35
WSW
35
WSW
35
WSW
40
WSW
40
WSW
45
WSW
40
W
40
W
35
W
30
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross
High Tide
/ height (m)
12:36PM
0.17
1:21AM
0.17
1:37PM
0.17
2:20AM
0.15
2:37PM
0.16
Low Tide
/ height (m)
6:29AM
0.04
6:59PM
0.02
7:29AM
0.03
8:08PM
0.01
8:26AM
0.03
9:13PM
0.01
Tuesday
09
Wednesday
10
Thursday
11
Fri
12
Sunrise--8:27-------8:30-------8:30-----
Sunset---3:34-------3:34-------3:34----
part cloud
clear
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
part cloud
clear
clear
part cloud
Rain (mm)
-----1142----------1----
Temp. °C88788910910999999888888877
Feels °C (?)23234664423333200-1-1-1-1-1-10
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Hornhole surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest