1 (日)	09:20	01:57	19:12	13:25
	108cm	42cm	121cm	95cm
小潮 出 05:34 入 17:22 出 22:05 入 11:59

那珂湊（茨城）2056年10月1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
10/1 00:00	55.5	↓-2.3
10/1 00:10	53.3	↓-2.2
10/1 00:20	51.3	↓-2.0
10/1 00:30	49.4	↓-1.9
10/1 00:40	47.7	↓-1.7
10/1 00:50	46.3	↓-1.4
10/1 01:00	45.0	↓-1.3
10/1 01:10	44.0	↓-1.0
10/1 01:20	43.1	↓-0.9
10/1 01:30	42.5	↓-0.6
10/1 01:40	42.1	↓-0.4
10/1 01:50	41.9	↓-0.2	干潮
10/1 02:00	41.9	0
10/1 02:10	42.0	↑0.1
10/1 02:20	42.4	↑0.4
10/1 02:30	43.0	↑0.6
10/1 02:40	43.8	↑0.8
10/1 02:50	44.7	↑0.9
10/1 03:00	45.8	↑1.1
10/1 03:10	47.0	↑1.2
10/1 03:20	48.4	↑1.4
10/1 03:30	49.9	↑1.5
10/1 03:40	51.6	↑1.7
10/1 03:50	53.3	↑1.7
10/1 04:00	55.2	↑1.9
10/1 04:10	57.2	↑2.0
10/1 04:20	59.2	↑2.0
10/1 04:30	61.3	↑2.1
10/1 04:40	63.5	↑2.2
10/1 04:50	65.7	↑2.2
10/1 05:00	68.0	↑2.3
10/1 05:10	70.3	↑2.3
10/1 05:20	72.6	↑2.3
10/1 05:30	74.9	↑2.3
10/1 05:40	77.2	↑2.3
10/1 05:50	79.5	↑2.3
10/1 06:00	81.8	↑2.3
10/1 06:10	84.1	↑2.3
10/1 06:20	86.3	↑2.2
10/1 06:30	88.4	↑2.1
10/1 06:40	90.5	↑2.1
10/1 06:50	92.5	↑2.0
10/1 07:00	94.4	↑1.9
10/1 07:10	96.2	↑1.8
10/1 07:20	97.9	↑1.7
10/1 07:30	99.5	↑1.6
10/1 07:40	100.9	↑1.4
10/1 07:50	102.3	↑1.4
10/1 08:00	103.5	↑1.2
10/1 08:10	104.5	↑1.0
10/1 08:20	105.4	↑0.9
10/1 08:30	106.2	↑0.8
10/1 08:40	106.8	↑0.6
10/1 08:50	107.3	↑0.5
10/1 09:00	107.7	↑0.4
10/1 09:10	107.9	↑0.2	満潮
10/1 09:20	107.9	0	満潮
10/1 09:30	107.8	↓-0.1
10/1 09:40	107.6	↓-0.2
10/1 09:50	107.3	↓-0.3
10/1 10:00	106.9	↓-0.4
10/1 10:10	106.4	↓-0.5
10/1 10:20	105.7	↓-0.7
10/1 10:30	105.1	↓-0.6
10/1 10:40	104.3	↓-0.8
10/1 10:50	103.5	↓-0.8
10/1 11:00	102.7	↓-0.8
10/1 11:10	101.8	↓-0.9
10/1 11:20	100.9	↓-0.9
10/1 11:30	100.1	↓-0.8
10/1 11:40	99.3	↓-0.8
10/1 11:50	98.5	↓-0.8
10/1 12:00	97.7	↓-0.8
10/1 12:10	97.0	↓-0.7
10/1 12:20	96.3	↓-0.7
10/1 12:30	95.8	↓-0.5
10/1 12:40	95.3	↓-0.5
10/1 12:50	94.9	↓-0.4
10/1 13:00	94.6	↓-0.3
10/1 13:10	94.4	↓-0.2
10/1 13:20	94.3	↓-0.1	干潮
10/1 13:30	94.3	0
10/1 13:40	94.5	↑0.2
10/1 13:50	94.7	↑0.2
10/1 14:00	95.0	↑0.3
10/1 14:10	95.4	↑0.4
10/1 14:20	95.9	↑0.5
10/1 14:30	96.5	↑0.6
10/1 14:40	97.2	↑0.7
10/1 14:50	98.0	↑0.8
10/1 15:00	98.8	↑0.8
10/1 15:10	99.7	↑0.9
10/1 15:20	100.7	↑1.0
10/1 15:30	101.7	↑1.0
10/1 15:40	102.8	↑1.1
10/1 15:50	103.9	↑1.1
10/1 16:00	105.0	↑1.1
10/1 16:10	106.1	↑1.1
10/1 16:20	107.2	↑1.1
10/1 16:30	108.3	↑1.1
10/1 16:40	109.5	↑1.2
10/1 16:50	110.6	↑1.1
10/1 17:00	111.7	↑1.1
10/1 17:10	112.7	↑1.0
10/1 17:20	113.7	↑1.0
10/1 17:30	114.7	↑1.0
10/1 17:40	115.6	↑0.9
10/1 17:50	116.4	↑0.8
10/1 18:00	117.2	↑0.8
10/1 18:10	117.9	↑0.7
10/1 18:20	118.5	↑0.6
10/1 18:30	119.0	↑0.5
10/1 18:40	119.4	↑0.4
10/1 18:50	119.7	↑0.3
10/1 19:00	119.9	↑0.2
10/1 19:10	120.0	↑0.1	満潮
10/1 19:20	120.0	0
10/1 19:30	119.8	↓-0.2
10/1 19:40	119.4	↓-0.4
10/1 19:50	119.0	↓-0.4
10/1 20:00	118.4	↓-0.6
10/1 20:10	117.6	↓-0.8
10/1 20:20	116.7	↓-0.9
10/1 20:30	115.6	↓-1.1
10/1 20:40	114.4	↓-1.2
10/1 20:50	113.0	↓-1.4
10/1 21:00	111.5	↓-1.5
10/1 21:10	109.8	↓-1.7
10/1 21:20	108.0	↓-1.8
10/1 21:30	106.1	↓-1.9
10/1 21:40	104.0	↓-2.1
10/1 21:50	101.8	↓-2.2
10/1 22:00	99.5	↓-2.3
10/1 22:10	97.0	↓-2.5
10/1 22:20	94.5	↓-2.5
10/1 22:30	91.9	↓-2.6
10/1 22:40	89.3	↓-2.6
10/1 22:50	86.6	↓-2.7
10/1 23:00	83.8	↓-2.8	最大潮位差
10/1 23:10	81.1	↓-2.7
10/1 23:20	78.3	↓-2.8	最大潮位差
10/1 23:30	75.6	↓-2.7
10/1 23:40	72.9	↓-2.7
10/1 23:50	70.2	↓-2.7