See where every source reaches

Official NOAA chart data, drawn sharp at every zoom in Coastal Charts and free to download for offline use. Every chart cell OceanPulse ships is on the map.

Coverage: The US, the Great Lakes, and US territories.

Free, with no chart fees

NOAA Office of Coast Survey

The Corps of Engineers' electronic charts of the inland rivers, drawn in Coastal Charts alongside NOAA's: the channel, river-mile markers, lights and beacons, dams and lock gates, bridges with their clearances, and wing dikes. River depths are measured from each river's low-water reference level, not a tidal datum.

Coverage: The Mississippi, Ohio, Tennessee, Illinois, Missouri, Arkansas, and 15 more rivers.

Updated monthly · Free, with no chart fees

US Army Corps of Engineers (USACE)

NOAA's global weather model. Wind, gusts, rain, cloud, air temperature, and CAPE in Weather Maps, the wind overlay on the chart, and the GFS rows of Tables & Graphs.

Coverage: The whole world, land and sea.

25 km · Updated 4 times a day

NOAA National Centers for Environmental Prediction

The European Centre's global weather model. The same layers as GFS in Weather Maps and the chart's wind overlay, and the ECMWF rows of Tables & Graphs, so you can compare the two.

Coverage: The whole world, land and sea.

25 km · Updated 4 times a day

European Centre for Medium-Range Weather Forecasts (ECMWF), CC BY 4.0

ECMWF's AI weather model, a third opinion next to the physics models. Wind, rain, cloud, and air temperature in Weather Maps and Tables & Graphs; it doesn't forecast gusts or CAPE.

Coverage: The whole world, land and sea.

25 km · Updated 4 times a day · 6-hour steps on Maps

European Centre for Medium-Range Weather Forecasts (ECMWF), CC BY 4.0

The forecast behind Daily Summary, the forecast on Home, and the Apple rows of Tables & Graphs.

Coverage: The whole world.

Hourly and daily

Apple Weather

NOAA's WAVEWATCH III wave model, for wave height in Weather Maps and the wave overlay on the chart.

Coverage: The oceans from about 12°S to 52.5°N. It doesn't reach the Southern Ocean or the far north.

16 km · Updated 4 times a day

NOAA National Centers for Environmental Prediction

ECMWF's wave model, for wave height in Weather Maps and the wave overlay on the chart.

Coverage: All the world's oceans, out to the polar ice.

25 km · Updated 4 times a day

European Centre for Medium-Range Weather Forecasts (ECMWF), CC BY 4.0

Météo-France's wave model, published by Copernicus Marine. Wave height in Weather Maps and the wave overlay on the chart, in the finest detail of the three.

Coverage: All the world's oceans, out to the polar ice.

9 km · Updated daily

E.U. Copernicus Marine Service Information

NOAA's ocean model, for current speed in Weather Maps and the current overlay on the chart. It shows the big ocean currents, like the Gulf Stream, not the tide.

Coverage: All the world's oceans.

9 km · Updated daily

NOAA National Centers for Environmental Prediction

The ocean half of ECMWF's coupled model, for current speed in Weather Maps and the current overlay on the chart.

Coverage: All the world's oceans.

25 km · Updated 4 times a day

European Centre for Medium-Range Weather Forecasts (ECMWF), CC BY 4.0

Mercator Ocean's model, published by Copernicus Marine, for current speed in Weather Maps and the current overlay on the chart. Its currents include the tide and the drift from waves.

Coverage: All the world's oceans.

9 km · Updated daily

E.U. Copernicus Marine Service Information

NOAA's daily map of the sea's surface temperature, measured by several satellites, with the gaps under cloud filled in. It's the Sea Temp layer in Weather Maps and on the chart, and the Blended row of Tables & Graphs.

Coverage: All the world's oceans, out to the polar ice.

5 km · Updated daily · Observed, about a day old

NOAA CoastWatch (Geo-Polar Blended SST)

NOAA's ocean model, for a sea temperature forecast up to 8 days ahead in Weather Maps, on the chart, and in Tables & Graphs.

Coverage: All the world's oceans.

9 km · Updated daily · 8 days ahead

NOAA National Centers for Environmental Prediction

Live rain from NOAA's radar network, combined by the National Severe Storms Laboratory. It drives Rain Radar and the radar overlay on the chart.

Coverage: The contiguous US and its surrounding waters, out to parts of southern Canada and the Bahamas. Alaska as far as its radars reach, from the Southeast to the Bering Strait. Hawaii, Puerto Rico and the Virgin Islands, and Guam and the nearby Mariana Islands.

1 km · Every 10 minutes

NOAA National Severe Storms Laboratory

Infrared images of the clouds from five weather satellites, GOES-19, GOES-18, Himawari-9, Meteosat-12, and Meteosat-9, blended into one picture of the whole planet. It drives Satellite Clouds.

Coverage: The world from 72.7°N to 72.7°S. Beyond about 64°N and 64°S, NOAA's hourly GMGSI mosaic fills in where the satellites can't see.

2.4 km · Every 10 minutes · Observed, about 20 minutes old

NOAA GOES and GMGSI; Himawari-9 data (JMA) via NOAA, modified; contains modified EUMETSAT Meteosat data 2026

The official high-seas forecasts and warnings that ships receive by radio and satellite, from the national weather service for each METAREA. They fill GMDSS, the Hazard Map, and the Marine Alerts on Home.

Coverage: 20 of the 21 METAREAs. METAREA X, around Australia, isn't included.

Bulletins as issued, word for word

WMO WorldWide Met-Ocean Information and Warning Service