Warning issued Sunday March 14th 10:45am Brisbane Time: Cyclone Tomas will soon affect Fiji and winds will intensify to 140 km/h in the next 24 hours. Another Cyclone, Ului, is likely to become much more significant as it develops to perhaps category 5 over the warm waters of the Coral Sea this week. Expect building surf to affect The Solomon Islands, New Caledonia, Vanuatu and Queensland (especially the Great Barrier Reef). Storm swell reaching the the coast of northern New South Wales by Friday. View the animated swell maps

Nantasket Beach Swell Map, Massachusetts. Wave and Weather Maps for Massachusetts

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* Only a subset of locations is displayed on the map due to the space limit.

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Please enable JavaScript to access the following map views: All map types that you can enable here: Massachusetts Colour Base Map, Shaded Relief Base Map, Precipitation Forecast (Use Time Slider), Massachusetts Wind Forecast (Use Time Slider), Temperature Forecast (Use Time Slider), Cloud Forecast (Use Time Slider), Massachusetts Significant Wave Height (Use Time Slider), Maximum Wave Energy (Use Time Slider), Swell 1 (Use Time Slider), Massachusetts Swell 2 (Use Time Slider), Swell 1 Energy (Use Time Slider), Swell 2 Energy (Use Time Slider), Massachusetts Windwave Amplitude (Use Time Slider), Windwave Energy (Use Time Slider). Map overlays available for display: Massachusetts Pressure, Wind, Freezing level. Symbols shown on the map: Massachusetts Ski Resorts, Surf Breaks, Cities, Massachusetts Tide Forecasts, Current Temperature Observations, Current Wind Observations, Massachusetts Current Weather Observations, Wave Buoy Observations, Live Webcams, Massachusetts All snow, city, surf, tide forecasts.

List of all animated swell maps

Important: JavaScript support must be turned on in order to use these animated swell maps. Alternatively, visit our basic swell maps of Massachusetts where each view becomes a separate image.

SURF BREAKS: The maps contain links to a small selection of our detailed surf break pages. Select surf breaks from the information overlay menu and click light blue symbol for a detailed surf forecast a location closest to the place you are interested in. From there you will be able to select surf forecasts for nearby places that we can't display on this map.

TIDE PREDICTIONS: Dark blue symbols show just a few of the 10,000 locations where detailed tidal forecasts are available, together with marine forecasts at these locations

CITY FORECASTS: You can select an overlay of towns and cities from the pulldown menu above. Click a location closest to the place you are interested in. From there you will be able to see weather forecasts for nearby places.

SKI RESORTS: Major ski areas within the map region can be shown by choosing the ski resort overlay. Click a red symbol for a detailed forecast from Snow-Forecast.com

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Nantasket Beach Swell Map, Massachusetts. Wave and Weather Maps for Massachusetts