from the US navy!
It gives all you need to know about wave height, Swells expected etc. for up to 5 days.
It might just save you from being swept off a rock.
Index
[url]https://www.fnmoc.navy.mil/CGI/ww3_area.cgi?color=w&area=natl[/url]
Wave Height
[url]https://www.fnmoc.navy.mil/CGI/ww3_all.cgi?color=w&type=prod&area=natl&prod=sig_wav_ht[/url]
Swell Height
https://www.fnmoc.navy.mil/CGI/ww3_all. ... swl_wav_ht
Enjoy,
Colin
:D