9 (金)	10:56	03:11	20:33	15:31
	110cm	44cm	111cm	100cm
小潮 出 05:40 入 17:11 出 13:02 入 23:27

那珂湊（茨城）2054年10月9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
10/9 00:00	70.8	↓-2.6	最大潮位差
10/9 00:10	68.2	↓-2.6	最大潮位差
10/9 00:20	65.8	↓-2.4
10/9 00:30	63.4	↓-2.4
10/9 00:40	61.1	↓-2.3
10/9 00:50	58.9	↓-2.2
10/9 01:00	56.8	↓-2.1
10/9 01:10	54.9	↓-1.9
10/9 01:20	53.1	↓-1.8
10/9 01:30	51.4	↓-1.7
10/9 01:40	49.9	↓-1.5
10/9 01:50	48.5	↓-1.4
10/9 02:00	47.3	↓-1.2
10/9 02:10	46.2	↓-1.1
10/9 02:20	45.3	↓-0.9
10/9 02:30	44.6	↓-0.7
10/9 02:40	44.0	↓-0.6
10/9 02:50	43.6	↓-0.4
10/9 03:00	43.3	↓-0.3
10/9 03:10	43.3	0	干潮
10/9 03:20	43.3	0
10/9 03:30	43.6	↑0.3
10/9 03:40	44.0	↑0.4
10/9 03:50	44.5	↑0.5
10/9 04:00	45.2	↑0.7
10/9 04:10	46.0	↑0.8
10/9 04:20	47.0	↑1.0
10/9 04:30	48.1	↑1.1
10/9 04:40	49.4	↑1.3
10/9 04:50	50.8	↑1.4
10/9 05:00	52.2	↑1.4
10/9 05:10	53.9	↑1.7
10/9 05:20	55.6	↑1.7
10/9 05:30	57.4	↑1.8
10/9 05:40	59.3	↑1.9
10/9 05:50	61.3	↑2.0
10/9 06:00	63.4	↑2.1
10/9 06:10	65.5	↑2.1
10/9 06:20	67.7	↑2.2
10/9 06:30	69.9	↑2.2
10/9 06:40	72.2	↑2.3
10/9 06:50	74.5	↑2.3
10/9 07:00	76.8	↑2.3
10/9 07:10	79.1	↑2.3
10/9 07:20	81.4	↑2.3
10/9 07:30	83.7	↑2.3
10/9 07:40	86.0	↑2.3
10/9 07:50	88.2	↑2.2
10/9 08:00	90.3	↑2.1
10/9 08:10	92.4	↑2.1
10/9 08:20	94.3	↑1.9
10/9 08:30	96.2	↑1.9
10/9 08:40	98.0	↑1.8
10/9 08:50	99.7	↑1.7
10/9 09:00	101.3	↑1.6
10/9 09:10	102.7	↑1.4
10/9 09:20	104.0	↑1.3
10/9 09:30	105.2	↑1.2
10/9 09:40	106.2	↑1.0
10/9 09:50	107.1	↑0.9
10/9 10:00	107.8	↑0.7
10/9 10:10	108.5	↑0.7
10/9 10:20	108.9	↑0.4
10/9 10:30	109.3	↑0.4
10/9 10:40	109.5	↑0.2
10/9 10:50	109.6	↑0.1	満潮
10/9 11:00	109.6	0
10/9 11:10	109.5	↓-0.1
10/9 11:20	109.3	↓-0.2
10/9 11:30	109.1	↓-0.2
10/9 11:40	108.7	↓-0.4
10/9 11:50	108.3	↓-0.4
10/9 12:00	107.8	↓-0.5
10/9 12:10	107.3	↓-0.5
10/9 12:20	106.7	↓-0.6
10/9 12:30	106.2	↓-0.5
10/9 12:40	105.6	↓-0.6
10/9 12:50	105.0	↓-0.6
10/9 13:00	104.4	↓-0.6
10/9 13:10	103.8	↓-0.6
10/9 13:20	103.2	↓-0.6
10/9 13:30	102.6	↓-0.6
10/9 13:40	102.1	↓-0.5
10/9 13:50	101.6	↓-0.5
10/9 14:00	101.2	↓-0.4
10/9 14:10	100.8	↓-0.4
10/9 14:20	100.4	↓-0.4
10/9 14:30	100.1	↓-0.3
10/9 14:40	99.8	↓-0.3
10/9 14:50	99.6	↓-0.2
10/9 15:00	99.4	↓-0.2
10/9 15:10	99.3	↓-0.1
10/9 15:20	99.2	↓-0.1
10/9 15:30	99.2	0	干潮
10/9 15:40	99.2	0
10/9 15:50	99.3	↑0.1
10/9 16:00	99.4	↑0.1
10/9 16:10	99.6	↑0.2
10/9 16:20	99.8	↑0.2
10/9 16:30	100.1	↑0.3
10/9 16:40	100.4	↑0.3
10/9 16:50	100.7	↑0.3
10/9 17:00	101.1	↑0.4
10/9 17:10	101.5	↑0.4
10/9 17:20	102.0	↑0.5
10/9 17:30	102.5	↑0.5
10/9 17:40	103.0	↑0.5
10/9 17:50	103.6	↑0.6
10/9 18:00	104.1	↑0.5
10/9 18:10	104.7	↑0.6
10/9 18:20	105.3	↑0.6
10/9 18:30	105.9	↑0.6
10/9 18:40	106.5	↑0.6
10/9 18:50	107.1	↑0.6
10/9 19:00	107.7	↑0.6
10/9 19:10	108.3	↑0.6
10/9 19:20	108.8	↑0.5
10/9 19:30	109.3	↑0.5
10/9 19:40	109.7	↑0.4
10/9 19:50	110.1	↑0.4
10/9 20:00	110.4	↑0.3
10/9 20:10	110.7	↑0.3
10/9 20:20	110.8	↑0.1
10/9 20:30	110.9	↑0.1	満潮
10/9 20:40	110.8	↓-0.1
10/9 20:50	110.7	↓-0.1
10/9 21:00	110.5	↓-0.2
10/9 21:10	110.1	↓-0.4
10/9 21:20	109.6	↓-0.5
10/9 21:30	109.0	↓-0.6
10/9 21:40	108.2	↓-0.8
10/9 21:50	107.3	↓-0.9
10/9 22:00	106.3	↓-1.0
10/9 22:10	105.2	↓-1.1
10/9 22:20	103.9	↓-1.3
10/9 22:30	102.5	↓-1.4
10/9 22:40	101.0	↓-1.5
10/9 22:50	99.4	↓-1.6
10/9 23:00	97.7	↓-1.7
10/9 23:10	95.9	↓-1.8
10/9 23:20	94.0	↓-1.9
10/9 23:30	92.0	↓-2.0
10/9 23:40	89.9	↓-2.1
10/9 23:50	87.8	↓-2.1