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
conditions inside San Francisco Bay more
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.
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?
Local Beach data
Buoy summary, updated every 15 minutes
Coast buoy summary Includes some Alaska and Canadian
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:
Maverick's near Half Moon Bay
Big Sur from Nepenthe
Sugar Pine Point State Park Lake Tahoe
Half Dome Yosemite
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
NWS Marine page
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.
Bay Area alternate site
Disussion With clickable links
All of Calif.
Another Calif. weather discussion but you have to sign up to receive it by e-mail.
Weather forecasts for Calif.
Western US Warnings/Watches and forecastsMarine and land areas
Weather forecasts for anywhere in the USA
Weather forecasts for anywhere in the world
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-
Forecast Meteograms-experimental *How to read
Forecasts and discussions
When should I go to Hawaii?
10 day rainfall
Tropical Eastern Pacific data look under Eastern Pacific
15 day forecasts
Surf reports and forecasts
More detailed swell forecast discussion
buoy surf forecast
5 day surfcast
Pacific Wave Height*
Pacific Wave Period*
Loop showing Peak wave period and direction*
3 day surf forecasting
These models do not verify well but they do show how a particular swell breaks along the coast
Experimental long range surf forecast
Local water temps
Are Eastern Pacific water temperatures warmer or colder than Normal? Temp link
Tsunami Warning Center
24 hour wind aninmator*
7 day wind forecasting*
Wind and water vapor
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
day Coastweather outlook Very accurate for the first 3-4 days
7 day trend*--pick your state and city
10 day precipation
10 day temperatures
day MRF Temperature, Precipitation, wind speed, cloudiness and chances
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
30 day outlook
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.
Recent climate developments
Last month's climate analysis
Forecasted Natural Phenomena
Lunar eclipse computer
Tides and current forecast for US west coast North to South:
Forecasted Moon Phases:
West Coast fog
Southerly Stratus Surges
Online weather guides
Barometer and wind direction
Diving weather guide
Danger in the marsh
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.
North Pacific Ocean Currents
Local upwelling info
Upwelling March till Sept
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.
Local buoy locations
Central Coast Water temperatures Recent data and what to expect Climatology
Climate Data for Cities
Western Region climate data
National climate data
Canadian Climate Normals
Worldwide Climate Search by city
Can't find the climate data you're looking for try here
Webpages of interest to the mariner
SF Bay shipping lanes
Coast Guard Cruising GuidesWant someone else to figure it out for you?