meridian
Guru
My buddy, a 30 year retired Navy Captain gave me this info for weather forecasting. It is updated twice a day and shows the forecast for 6 days ahead in 6 hour increments. We use the instructions for Bahama crossing but the info is world-wide.
WAVES
https://www.fnmoc.navy.mil/wxmap_cgi/
Click "continue to this website" (just go!!!)
Click on tropical/WW3 to the right of "Global."
Find W Atlantic chart.
Under this chart click on WW3 (wind wave)
always click on
"Continue to website"
Click on very small word "all" to the right of "significant wave height and direction"
Page down using Z time (subtract 5 hours).
Dates and times are at bottom of each chart.
Dark Blue is GREAT!
=============================================================
WINDS
Click at top left on Models for drop down menu ... Click on "Tropical/Ofcl Areas"
Go to far left chart labeled Trop Atlantic.
Click on "GFS" under this chart. It is between the NVG and WW3.
Go to second from bottom item: Surface Streamlines"
Click on small "all" just to the right of green dot .
Page down through 6 hour increments.
Re check both winds and waves every twelve hours... Updated twice a day at 1AM and 1PM EST.
No winds (white areas) or Purple windlines are great.
Also go back and find "periods" between peaks ... Very important info.
WAVES
https://www.fnmoc.navy.mil/wxmap_cgi/
Click "continue to this website" (just go!!!)
Click on tropical/WW3 to the right of "Global."
Find W Atlantic chart.
Under this chart click on WW3 (wind wave)
always click on
"Continue to website"
Click on very small word "all" to the right of "significant wave height and direction"
Page down using Z time (subtract 5 hours).
Dates and times are at bottom of each chart.
Dark Blue is GREAT!
=============================================================
WINDS
Click at top left on Models for drop down menu ... Click on "Tropical/Ofcl Areas"
Go to far left chart labeled Trop Atlantic.
Click on "GFS" under this chart. It is between the NVG and WW3.
Go to second from bottom item: Surface Streamlines"
Click on small "all" just to the right of green dot .
Page down through 6 hour increments.
Re check both winds and waves every twelve hours... Updated twice a day at 1AM and 1PM EST.
No winds (white areas) or Purple windlines are great.
Also go back and find "periods" between peaks ... Very important info.