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2026-04-08
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0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
海面の高さ
[cm]
00:00
03:00
06:00
09:00
12:00
15:00
18:00
21:00
24:00
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・・・海面の高さ
・・・砂浜の高さ