01 (金)	00:30	05:52	10:18	17:57
	90cm	76cm	87cm	29cm
長潮 出 05:25 入 18:01 出 12:35 入 01:45 潮干狩り ○ 17:01～18:01

那珂湊（茨城）2050年04月01日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/1 00:00	88.9	↑0.4
4/1 00:10	89.1	↑0.2
4/1 00:20	89.2	↑0.1	満潮
4/1 00:30	89.3	↑0.1	満潮
4/1 00:40	89.2	↓-0.1
4/1 00:50	89.1	↓-0.1
4/1 01:00	88.9	↓-0.2
4/1 01:10	88.6	↓-0.3
4/1 01:20	88.2	↓-0.4
4/1 01:30	87.8	↓-0.4
4/1 01:40	87.3	↓-0.5
4/1 01:50	86.8	↓-0.5
4/1 02:00	86.3	↓-0.5
4/1 02:10	85.7	↓-0.6
4/1 02:20	85.1	↓-0.6
4/1 02:30	84.4	↓-0.7
4/1 02:40	83.8	↓-0.6
4/1 02:50	83.1	↓-0.7
4/1 03:00	82.5	↓-0.6
4/1 03:10	81.8	↓-0.7
4/1 03:20	81.2	↓-0.6
4/1 03:30	80.5	↓-0.7
4/1 03:40	79.9	↓-0.6
4/1 03:50	79.3	↓-0.6
4/1 04:00	78.7	↓-0.6
4/1 04:10	78.2	↓-0.5
4/1 04:20	77.7	↓-0.5
4/1 04:30	77.2	↓-0.5
4/1 04:40	76.8	↓-0.4
4/1 04:50	76.4	↓-0.4
4/1 05:00	76.0	↓-0.4
4/1 05:10	75.8	↓-0.2
4/1 05:20	75.5	↓-0.3
4/1 05:30	75.4	↓-0.1
4/1 05:40	75.3	↓-0.1
4/1 05:50	75.2	↓-0.1	干潮
4/1 06:00	75.3	↑0.1
4/1 06:10	75.4	↑0.1
4/1 06:20	75.5	↑0.1
4/1 06:30	75.8	↑0.3
4/1 06:40	76.0	↑0.2
4/1 06:50	76.4	↑0.4
4/1 07:00	76.8	↑0.4
4/1 07:10	77.3	↑0.5
4/1 07:20	77.8	↑0.5
4/1 07:30	78.4	↑0.6
4/1 07:40	79.0	↑0.6
4/1 07:50	79.6	↑0.6
4/1 08:00	80.3	↑0.7
4/1 08:10	81.0	↑0.7
4/1 08:20	81.7	↑0.7
4/1 08:30	82.3	↑0.6
4/1 08:40	83.0	↑0.7
4/1 08:50	83.7	↑0.7
4/1 09:00	84.3	↑0.6
4/1 09:10	84.9	↑0.6
4/1 09:20	85.4	↑0.5
4/1 09:30	85.8	↑0.4
4/1 09:40	86.2	↑0.4
4/1 09:50	86.5	↑0.3
4/1 10:00	86.8	↑0.3
4/1 10:10	86.9	↑0.1	満潮
4/1 10:20	86.9	0
4/1 10:30	86.8	↓-0.1
4/1 10:40	86.6	↓-0.2
4/1 10:50	86.3	↓-0.3
4/1 11:00	85.9	↓-0.4
4/1 11:10	85.3	↓-0.6
4/1 11:20	84.6	↓-0.7
4/1 11:30	83.8	↓-0.8
4/1 11:40	82.9	↓-0.9
4/1 11:50	81.8	↓-1.1
4/1 12:00	80.7	↓-1.1
4/1 12:10	79.4	↓-1.3
4/1 12:20	78.0	↓-1.4
4/1 12:30	76.5	↓-1.5
4/1 12:40	75.0	↓-1.5
4/1 12:50	73.3	↓-1.7
4/1 13:00	71.6	↓-1.7
4/1 13:10	69.8	↓-1.8
4/1 13:20	68.0	↓-1.8
4/1 13:30	66.1	↓-1.9
4/1 13:40	64.1	↓-2.0
4/1 13:50	62.2	↓-1.9
4/1 14:00	60.2	↓-2.0
4/1 14:10	58.2	↓-2.0
4/1 14:20	56.2	↓-2.0
4/1 14:30	54.2	↓-2.0
4/1 14:40	52.2	↓-2.0
4/1 14:50	50.2	↓-2.0
4/1 15:00	48.3	↓-1.9
4/1 15:10	46.4	↓-1.9
4/1 15:20	44.5	↓-1.9
4/1 15:30	42.8	↓-1.7
4/1 15:40	41.1	↓-1.7
4/1 15:50	39.4	↓-1.7
4/1 16:00	37.9	↓-1.5
4/1 16:10	36.4	↓-1.5
4/1 16:20	35.0	↓-1.4
4/1 16:30	33.8	↓-1.2
4/1 16:40	32.6	↓-1.2
4/1 16:50	31.6	↓-1.0
4/1 17:00	30.7	↓-0.9
4/1 17:10	30.0	↓-0.7
4/1 17:20	29.3	↓-0.7
4/1 17:30	28.9	↓-0.4
4/1 17:40	28.5	↓-0.4
4/1 17:50	28.3	↓-0.2	干潮
4/1 18:00	28.3	0
4/1 18:10	28.5	↑0.2
4/1 18:20	28.8	↑0.3
4/1 18:30	29.2	↑0.4
4/1 18:40	29.8	↑0.6
4/1 18:50	30.6	↑0.8
4/1 19:00	31.6	↑1.0
4/1 19:10	32.7	↑1.1
4/1 19:20	33.9	↑1.2
4/1 19:30	35.3	↑1.4
4/1 19:40	36.9	↑1.6
4/1 19:50	38.6	↑1.7
4/1 20:00	40.4	↑1.8
4/1 20:10	42.3	↑1.9
4/1 20:20	44.3	↑2.0
4/1 20:30	46.4	↑2.1
4/1 20:40	48.6	↑2.2
4/1 20:50	50.9	↑2.3
4/1 21:00	53.2	↑2.3
4/1 21:10	55.6	↑2.4	最大潮位差
4/1 21:20	58.0	↑2.4	最大潮位差
4/1 21:30	60.4	↑2.4	最大潮位差
4/1 21:40	62.8	↑2.4	最大潮位差
4/1 21:50	65.2	↑2.4	最大潮位差
4/1 22:00	67.6	↑2.4	最大潮位差
4/1 22:10	69.9	↑2.3
4/1 22:20	72.1	↑2.2
4/1 22:30	74.3	↑2.2
4/1 22:40	76.5	↑2.2
4/1 22:50	78.5	↑2.0
4/1 23:00	80.4	↑1.9
4/1 23:10	82.2	↑1.8
4/1 23:20	83.9	↑1.7
4/1 23:30	85.5	↑1.6
4/1 23:40	86.9	↑1.4
4/1 23:50	88.3	↑1.4