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Author Topic:   Wave height site
tabasco posted 02-11-2002 10:11 AM ET (US)   Profile for tabasco   Send Email to tabasco  
This was posted a long time ago and I think it deserves to be reposted. You can check out the weather "wave heights" in your area .......thanks to our tax dollars it 's free

http://www.fnmoc.navy.mil/PUBLIC/WAM/wam.html

Smallfrye posted 02-11-2002 10:38 AM ET (US)     Profile for Smallfrye  Send Email to Smallfrye     
Try this site for all your boating/weather needs:
http://www.ndbc.noaa.gov/Maps/WestGulf.shtml
jimp posted 02-11-2002 11:04 AM ET (US)     Profile for jimp  Send Email to jimp     
Might as well throw in this NOAA site also.

http://www.ndbc.noaa.gov/index.shtml

jimh posted 02-11-2002 08:37 PM ET (US)     Profile for jimh  Send Email to jimh     
Wave heights are usually predicted based on three parameters:

--wind speed
--fetch
--duration

The faster a wind blows over a longer stretch of water, the larger the waves get with time.

The Canadian Coast Guard broadcasts this qualifier at the end of every weather prediction which includes wave heights reports:

"Wave heights are for offshore and are measured from trough to crest. Winds and waves can vary considerably due to shoreline effects."

Waves are subject to statistical analysis, and for any predicted "average" wave height, it can be expected that a wave of twice the average height will occur in 1,000 waves.

triblet posted 02-11-2002 10:11 PM ET (US)     Profile for triblet  Send Email to triblet     
Here in California, CDIP (Coastal Data
Information Program, "Sea-Dip") at Scripps
Institute of Oceanography models near shore
swells, and puts them on a website. They
do three-day predictions based on swell
arrivals preditected by the Navy's WAM
model and factor in bottom shape and
shoreline effects. They also do a real-time
model based on current data from the offshore
buoys and apply the same bottom shape and
shore effects.

If you are salt-water boater, it's really
worth your while to find this sort of data
for your area. It will greatly improve the
ratio of good days on the water to bad.
The problem is that this data is scattered
about. For the Monterey area, I put together
a page that pulls everything together in
one place:

http://www.garlic.com/~triblet/swell/wamglance.html

It has links to similar pages for the north
coast (north of SF) and central coast
(Morro Bay and such).


Chuck

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