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Gray/Portland, ME
Gulf of Maine Sebago Lake Lake Winnipesaukee Model Config Disclaimer 
Significant Wave Height and Winds
Peak Wave Period
Sea Depth

The data and information that is contained in these SWAN forecasts should be considered for informational and planning purposes only. It does not represent the official forecast, nor does it constitute an endorsement by the National Weather Service as an accurate representation of true meteorological phenomena across the model domain. The SWAN output is used as guidance to produce marine forecasts at the coastal forecast offices. NOTE: The SWAN output is only experimental and it may differ from the official forecast. For the official marine forecast graphics on the Web go to:

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Gray/Portland, ME
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