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http://weather.yahoo.co.jp/weather/
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http://www.data.kishou.go.jp/kaiyou/db/tide/suisan/s_hokkaido.php
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http://www.data.kishou.go.jp/marine/wave/chart/fwjp.html
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http://www.sp-etm.hkd.mlit.go.jp/koutu/douro/douro.htm