updated
11-03
Current San Francisco Bay Conditions
Times for web pages marked by an asterisk (*) must be corrected to get local time in San Francisco, CA: subtract 8 hours from Oct to April to get Pacific Standard Time PST or subtract 7 hours April to Oct. to get Pacific Daylight Time PDT.To understand the UTC better click here
Present
conditions inside San Francisco Bay more
detailed conditions
Visible
Satellite Bay Area*
Wind Flow
on San Francisco Bay
Wind
Reports
*How
to interpret
Pressure
Gradient*
at the bottom of the page is a table which shows the air pressure
differences between airports in millibars. To determine if flow is onshore
or offshore, look at the difference between SFO-SAC (SFO is SF Airport
and SAC is Sacramento Airport) A +symbol
= onshore, A -symbol = offshore.
For more info
on Pressure Gradients.
Current conditions at SF Airport Click on the down arrow for local time which is PDT or Pacifc Daylight Time. Great for looking at the past 24 hour weather conditions.
Calif,
fog*
Fog
depth Bay Area*
Near
real-time current velocity map
For
the bay
Local
Radar for Current Rainfall*
North Pacific Ocean Data
Offshore conditions what's coming our way?
Buoy summary, updated every 15 minutes
West
Coast buoy summary Includes some Alaska and Canadian
buoys
Buoy
Forecast*Explanation
here
Pacific
flow pattern*
Profiler and surface winds for S. F. Bay Region
The latest 24 hour Buoy meteogram on a graph showing air-sea temperature, wind speed and direction, sea level pressure and wave height:
Top ten current weather images
Live Camera Views
A great way to check current weather conditions is to see for yourself:
Sugar Pine Point State Park Lake Tahoe
Forecasted Weather Conditions
The local Pacific marine forecast is issued every 6 hours: 3am, 9am, 3pm and 9 pm; look at the bottom of page for the extended marine forecast for trends
SF Bay current marine forecast
Bay Area Fog and Low Cloud forecast mapWill it clear up tomorrow?
Monterey to Mendocino 24 hour cloud
For other Calif. marine forecast
Marine forecasts for anywhere in the USA
The current weather forecast discussion. Updated every 6 hours: 3am, 9am, 3pm and 9pm.
Disussion With clickable links
Another Calif. weather discussion but you have to sign up to receive it by e-mail.
Western US Warnings/Watches and forecastsMarine and land areas
Weather forecasts for anywhere in the USA
Weather forecasts for anywhere in the world
Accuracy
of weather forecasts
Fog
forecasts North Pacific*April
to Sept.only
You can call a NWS marine forecaster at 831-656-1725.
Press 0 and ask for the marine forecaster on duty available 8AM-4PM Mon-
Fri.
Forecast
Meteograms-experimental *How
to read
Hawaii
Mexico
Tropical Eastern Pacific data look under Eastern Pacific
Surf
Stormsurf's Quickcast-excellent
More detailed swell forecast discussion
Detailed
surf forecasting
Pacific
Wave Height*
Pacific
Wave Period*
Wave
watch III
Loop
showing Peak wave period and direction*
These models do not verify well but they do show how a particular swell breaks along the coast
Experimental long range surf forecast
Are Eastern Pacific water temperatures warmer or colder than Normal? Temp link
Wind
Winds
for Central Coast
Ocean
Conditions*
forecasting: click on "NGP" under "East Pac."
36 hour Central Calif Coast Wind Forecast*
Click on the area you're interested in, and then click on "Sailcast" and "Windcast".
Wind forecasting every 6 hours for 5 days
USA
Wind Forecasting
Wind
patterns*
Weekly Planning
7
day Coastweather outlook Very accurate for the first 3-4 days
7
day trend*--pick
your state and city
10
day MRF Temperature, Precipitation, wind speed, cloudiness and chances
for snow
10
day sea level pressure guide;*
the closer the lines, the higher the wind.
15 day forecast anywhere in the USA and the world
16 day graph click on your city of interest, not specifically accurate but excellent for trends. Great for weekly paddle planning.
30 day by day Wet or dry? Continental US 85-90% accurate
60 day outlook Farmer's Almanac
Movie Blue shades show air that is subsiding, which means usually stable and warming air. Brighter blue can mean windy conditions. Pink shades indicate rising or unstable air. Brighter pink shading indicates possible windy conditions. Click on frame to stop movie.
Weekly threats anything major coming? Issued every Tuesday.
Forecasted Natural Phenomena
Tides and current forecast for US west coast North to South:
While paddling in March 2001 I was lucky enough to see the Northerns Lights off the coast of Marin. Astro alert informed me and this site helped to track them;
Astro alert is a great service, Free and your privacy is protected-I highly recomended if interested in outer space phenomena!
Local Tsunami history Click on tsunami Then click on Runup database Then enter San Francisco for location.
Pacific Dust Express We usually get this every spring.
Weather variety Does SF really have the least variety of weather?
Past Weather History
Reporting stations worldwide click on state you're interested in. Then click on your city of interest then scroll down to the bottom of current conditions for the previous 10 year record for that station.
Although buoys are further out than where most sea kayakers paddle, they still provide a record of sea state conditions. Have you ever wondered when to paddle a particular place? This lets you know what you could expect. Most buoys worldwide, except buoys found in Canadian waters and maintained by Environment Canada have this infomation, just look under Historical Data.
Click on area of interest then on your buoy. You can look up among other items,Air and Sea temps,Peak wind,Wind gusts, Significant wave heights and Average wave period.
Central Coast Water temperatures Recent data and what to expect Climatology
Climate Data for Cities
Worldwide Climate Search by city
Can't find the climate data you're looking for try here
Webpages of interest to the mariner
US
Coast Guard Cruising GuidesWant someone else to figure it out for you?
Site Map
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updated
11-03