MARINE WEATHER

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Marine Weather

Marine weather for Heap-San

Lat: 38.68334, Lon: 125.56670

St. Kitts and Nevis, Global Ports

DATE WIND WAVES SWELL WEATHER TEMPERATURE  
Date Local Time Dir Speed Gust Hsig Ht. Dir Height Period Icon Air Feels Like Cloud Precip RH Pressure Vis
Units =>degmphmphmdegmsecs °F°F%In%mbmiles
Wed 22
May
06:00

191°

480.0N/A0.0N/A575700.09710181
 09:00

207°

8110.1N/A0.0N/A676700.07110176
 12:00

220°

9110.1N/A0.0N/A757700.05310166
 15:00

217°

8100.1N/A0.0N/A737600.05810146
 18:00

221°

8100.1N/A0.0N/A686800.06610136
 21:00

193°

9120.1N/A0.0N/A606000.08410146
Thu 23
May
00:00

181°

9110.1N/A0.0N/A595900.08710136
 03:00

134°

880.1N/A0.0N/A575800.08910126
 06:00

138°

680.1N/A0.0N/A575700.08910126
 09:00

178°

7100.1N/A0.0N/A686800.06010116
 12:00

209°

8100.1N/A0.0N/A787800.04010106
 15:00

215°

11170.1N/A0.0N/A797930.03910096
 18:00

220°

12120.1N/A0.0N/A737600.05010096
 21:00

240°

770.1N/A0.0N/A646410.06910096
The 7 day weather forecast summary for Heap-San, St. Kitts and Nevis, Global Ports:

Taking a look at the forecast over the coming week and the average daytime maximum will be around 23°C, with a high of 27°C expected on Saturday morning. The average minimum temperature for the week ahead will be around 16°C, dipping to its lowest on Tuesday morning at 12°C. Sunday is expected to see the most precipitation with around 13mm, or about 0.5inches anticipated. The strongest wind will be felt on Sunday morning, coming from the south, and reaching around 15mph, that's about 25km/h.

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure