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12-30-2014, 11:02 AM
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#1
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Guru
City: Full Time Cruising East Coast
Vessel Name: Meridian
Vessel Model: Krogen-42
Join Date: Aug 2011
Posts: 1,014
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Navy Weather
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.
__________________
-------------------------
Terry
Meridian
KK-42097
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12-30-2014, 12:03 PM
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#2
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,566
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Mr. m. Got a warning about the link "This connection is untrusted"
__________________
RTF
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12-30-2014, 12:26 PM
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#3
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Senior Member
City: Gainesville, FL
Join Date: Jun 2014
Posts: 243
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RTF,
That link has ALWAYS given the warning. Don't worry about it. I have been using it for many years with absolutely no problems. Excellent site - I am fairly certain that the generally reliable Passageweather.com - among other sites - gets their data directly from the Navy site.
ERIC
__________________
"Before you criticize someone, you should first walk a mile in their shoes. That way, when you DO criticize them, you'll be a mile away and you'll have their shoes." Stephen Wright.
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12-30-2014, 12:27 PM
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#4
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Guru
City: New Orleans
Vessel Name: Panache
Vessel Model: Viking 43 Double Cabin '76
Join Date: Mar 2011
Posts: 1,253
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Prettty typical for a lot of mil websites - they won't go through the hoops to "prove" they're "trustworthy". That's my go to for storm info. Seems to consistently beat the socks off NWS and other storm forecasts.
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12-30-2014, 12:37 PM
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#5
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Guru
City: Satsuma FL
Vessel Name: No Mo Trawla
Vessel Model: Hurricane SS188
Join Date: Jul 2014
Posts: 2,300
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Quote:
Originally Posted by sbu22
Prettty typical for a lot of mil websites - they won't go through the hoops to "prove" they're "trustworthy". That's my go to for storm info. Seems to consistently beat the socks off NWS and other storm forecasts.
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DOD has their own Public Key Infrastructure (PKI) certification authorities with their own chain of trust. For whatever reason, they do not get incorporated into the chain of trust of general purpose computing. Just ignore the warnings as DOD sites are more trustable than ANY commercial site you will reach. You can also choose to include the DOD site as trusted with your browser.
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12-30-2014, 12:42 PM
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#6
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Guru
City: Inside Passage Summer/Columbia River Winter
Vessel Name: Alaskan Sea-Duction
Vessel Model: 1988 M/Y Camargue YachtFisher
Join Date: Jul 2012
Posts: 8,050
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So if I wanted to zoom into the PNW is there a way to get there or is it just the E Pacific?
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12-30-2014, 02:01 PM
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#7
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TF Site Team
City: California Delta
Vessel Name: FlyWright
Vessel Model: 1977 Marshall Californian 34 LRC
Join Date: Apr 2008
Posts: 13,728
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12-30-2014, 02:13 PM
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#8
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Guru
City: Inside Passage Summer/Columbia River Winter
Vessel Name: Alaskan Sea-Duction
Vessel Model: 1988 M/Y Camargue YachtFisher
Join Date: Jul 2012
Posts: 8,050
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Quote:
Originally Posted by FlyWright
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Yeah I saw that, but no way to zoom into say the Washington coast?
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12-30-2014, 04:36 PM
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#9
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Guru
City: Montgomery, TX
Vessel Name: Encore
Vessel Model: Whitby 42
Join Date: Feb 2012
Posts: 844
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Dumb question, but what does Tau stand for? Looks like some really good data.
Bob
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12-30-2014, 09:51 PM
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#10
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Guru
City: Little River SC
Vessel Name: JAZ
Vessel Model: Ta Chaio/CT35
Join Date: Jan 2011
Posts: 716
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Not very user friendly.
__________________
Tracy & Susie Hellman 1985 Ta Chiao CT 35
Twin Lehman Super 90's Cummins Onan 5kw
Lightkeepers Marina -Little River, SC
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12-30-2014, 10:15 PM
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#11
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Guru
City: League City, TX
Vessel Name: Pelago
Vessel Model: Wellcraft 3300 Coastal
Join Date: Aug 2011
Posts: 1,069
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Quote:
Originally Posted by Alaskan Sea-Duction
Yeah I saw that, but no way to zoom into say the Washington coast?
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Try this https://www.fnmoc.navy.mil/wxmap_cgi..._nepac&set=All
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12-31-2014, 01:50 AM
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#12
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Dauntless Award
City: Wrangell, Alaska
Vessel Name: Dauntless
Vessel Model: Kadey Krogen 42 - 148
Join Date: Jan 2013
Posts: 2,820
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Wow.
Great.
Thanks.
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