Lee Chesneau's Marine Weather

Announcements

Lee Chesneau’s Marine Weather Video

Watch our introductory video to learn what Lee Chesneau's Marine Weather is all about!

San Diego International Boat Show (June 20-23)

Mark your calendar! Lee will be conducting seminars at the San Diego International Boat Show on June 22nd & 23rd.

FREE Social & Marine Weather Seminar (June 29)

Join us for a FREE Social, including a one-hour Marine Weather seminar by Lee Chesneau!

FREE Social including seminar by Lee Chesneau! (July 20)

FREE Social, including a 45 min introduction to Marine Weather seminar by Lee Chesneau!

Developing Self Reliance in Marine Weather & Forecasting (Aug 3-4)

See Lee's two-day Developing Self Reliance in Marine Weather & Forecasting course, presented by Little Yacht Sales.

Two Can Sail Couples Cruising Seminar + Weather for Cruisers Course (Aug 10-11)

Lee will be teaching the marine weather portion of Two Can Sail's Couple's Cruising Seminar, as well as a full-day Weather for Cruisers course the next day.

Jimmy Cornell & Lee Chesneau! (October 13-14)

Jimmy & Lee team up for two days of powerful education & training!

Marine Weather Links

Click here to view our newly updated links section full of marine weather resources!

Available for Purchase Now: Heavy Weather Avoidance and Route Design

Download an order form or find out more about Lee S. Chesneau and Ma-Li Chen's book "Heavy Weather Avoidance and Route Design"!

Graphical Forecast Verification

Click here to open the 48/96 hour OPC Graphical Forecast Verification page.
Ensure that the valid times on both charts match each other.

Example:

Pacific 96 Hour Surface Forecast
12:00 UTC 24 May 2013
(click image to view)

Pacific Surface Analysis Verification
12:00 UTC 24 May 2013
(click image to view)

Atlantic 96 Hour Surface Forecast
12:00 UTC 24 May 2013
(click image to view)

Atlantic Surface Analysis Verification
12:00 UTC 24 May 2013
(click image to view)

View OPC weather charts in Google Maps and Google Earth

Click image for more info.

North Atlantic Analyses, Forecasts, and Loops

500 Mb Analysis
(click image to view)

Surface Analysis
(click image to view)

Sea State Analysis
(click image to view)

Reg. Sea State Anl.
(click image to view)

3-Day Loop

3-Day Loop
W Atlantic / E Atlantic

3-Day Loop

Updated every 3 hours (UTC): 00, 03, 06, 09, 12, 15, 18, 21

7-Day Loop

7-Day Loop
W Atlantic / E Atlantic

7-Day Loop

Gulf Stream

IR Sat. 500 Mb Overlay
7-Day / 14-Day

Analysis / Imagery

14-Day Loop

14-Day Loop
W Atlantic / E Atlantic

14-Day Loop

Velocities

500 Mb Forecasts

Surface Forecasts

Wind & Wave Forecasts

Atlantic Reg. Anl. & 24 Hour Forecast

24/48/96 Hour

Anl. & Forecast Composite Loop

North Pacific Analyses, Forecasts, and Loops

500 Mb Analysis
(click image to view)

Surface Analysis
(click image to view)

Sea State Analysis
(click image to view)

Reg. Sea State Anl.
(click image to view)

3-Day Loop

3-Day Loop
W Pacific / E Pacific

3-Day Loop

Updated every 3 hours (UTC): 00, 03, 06, 09, 12, 15, 18, 21

7-Day Loop

7-Day Loop
W Pacific / E Pacific

7-Day Loop

IR Sat. 500 Mb Overlay
7-Day / 14-Day

14-Day Loop

14-Day Loop
W Pacific / E Pacific

14-Day Loop

500 Mb Forecasts

Surface Forecasts

Wind & Wave Forecasts

Pacific Reg. Anl. & 24 Hour Forecast

24/48/96 Hour

Anl. & Forecast Composite Loop

Resources for Boat Races

E Pacific Boat Races
(click image to view map of area)

W Atlantic Boat Races
(click image to view map of area)

Text Forecast for Coastal Waters

Text Forecast for Offshore Waters

Pacific Graphical Map Briefing
(Scroll to view all of the latest forecast charts)

Atlantic Graphical Map Briefing
(Scroll to view all of the latest forecast charts)

Other Pacific Text Products

Other Atlantic Text Products

Pacific Marine Weather Discussion

Atlantic Marine Weather Discussion

Glossary of Weather Abbreviations

Important disclaimer about the weather chart products on this page.

Lee Chesneau's Marine Weather's vision is to provide every capable seagoing mariner with the knowledge, tools and culture required to embody self-reliance and independent decision-making in weather forecasting, route planning and heavy weather avoidance.
The goal of this vision is to be able to properly interpret, evaluate, and strategize the public domain marine analyses and forecast charts below through education and training.

United States

Total Visits:	42441

Professional member of the
American Meteorological Society

Lee Chesneau's Marine Weather would like to recognize and acknowledge the contributions of the following sailors who have made a difference in the lives and well being of their fellow cruising sailors and racing competitors, and who are concurrently at the top of their professional lives as well. Click here.

Announcements