Weather diving spot Thermopylae Wreck

Cascais PRTLon : -9°27’,2238 W Lat : 38°39’,846 N Alt : 0m
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BULLETIN

Reliability 75%
Tuesday 19 may Tuesday 19 may
METEO CONSULT Run : 18/05 00Z Mesh : 1km Updated, 34min ago Update in 5h

Wind

Average winds Average winds
Gusts
10m above ground level:
Direction
Speed
Gusts

Waves

Total sea (m) (m)
Swell height Swell (m) (m)
legend.title.wave_height
Total sea (m)
legend.title.wind_sea
Wind (m)
legend.title.swell
Swell direction
Swell height (m)
Swell period (s)
Wave length (m)
High tide (m)
Sea temp

Weather

Rain (mm) (mm)
Clouds:
Cloud cover (%)
Precipitation:
Amount of precipitation Amount of precipitation (mm)
Type of precipitation Type of precipitation
Risks:
Precipitation risk Precipitation risk (%)
Storm risk. (%)
Brightness:
Visibility (km)
Pressure (hPa)
UV

Temperature

Air temp Air temp
Perceived temp
Air temp
Perceived temp
20
15
10
5
0
40
30
20
10
0
10
5
0
30
20
10
0
10
5
0
2
1.5
1
0.5
3
0
30
25
20
15
10
90
80
70
60
50
  • Wed 20
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Run : 18/05 00Z Mesh : 1km Updated, 34min ago Update in 5h
  • Wed 20
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  • 310° NW NW
  • 310° NW NW
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  • 295° NW WNW
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  • 285° W WNW
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  • 320° NW NW
  • 330° NW NNW
  • 335° NW NNW
  • 340° N NNW
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  • 350° N N
  • 355° N N
  • 360° N N
  • 5° N N
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  • 3 6 2 4 2
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  • 0.9
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  • 0.2
  • 295° NW WNW
  • 290° W WNW
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  • 280° W W
  • 285° W WNW
  • 280° W W
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  • 280° W WNW
  • 290° W WNW
  • 280° W WNW
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  • 1.0
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Forecasts established in local time
Caption   Glossary

Expert opinion

For Thermopylae Wreck :
No gale warning.

We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.

Good clear periods but with plenty of cloud in the morning, cloud and sun in the afternoon. No precipitation. In the evening, skies with few clouds.
WNW force 2 becoming force 3 in the middle of the day then NNW. Gusts reaching 18 knots in the evening. Slight sea. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day then good.

semaphore stations

Station Lisbon located 27 km from Thermopylae Wreck
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
23h
-
-
-
-
1023
0
11h
-
-
-
-
1021
0
09h
-
-
-
-
1020
0
observation.semaphores_link
Réseau observation SYNOP
observation.semaphore_link

Tides at Cascais

95
High tide 06h03 3.37m
Low tide 12h01 0.85m
91
High tide 18h21 3.54m
© METEOCONSULT 2026 - Local times
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* +33 1 77 86 86 86: short number of forecasts for France accessible from France - €2.99 per call** 0899 70 12 34: number of forecasts for France and the World accessible from France - €2.99 per call



        
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