20 (火)	07:44	02:42	22:09	14:45
	104cm	85cm	113cm	35cm
小潮 出 04:21 入 19:00 出 10:53 入 23:54

那珂湊（茨城）2056年06月20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
6/20 00:00	97.7	↓-1.4
6/20 00:10	96.2	↓-1.5
6/20 00:20	94.9	↓-1.3
6/20 00:30	93.5	↓-1.4
6/20 00:40	92.2	↓-1.3
6/20 00:50	91.0	↓-1.2
6/20 01:00	89.9	↓-1.1
6/20 01:10	88.8	↓-1.1
6/20 01:20	87.9	↓-0.9
6/20 01:30	87.0	↓-0.9
6/20 01:40	86.3	↓-0.7
6/20 01:50	85.7	↓-0.6
6/20 02:00	85.2	↓-0.5
6/20 02:10	84.8	↓-0.4
6/20 02:20	84.5	↓-0.3
6/20 02:30	84.3	↓-0.2
6/20 02:40	84.3	0	干潮
6/20 02:50	84.3	0
6/20 03:00	84.5	↑0.2
6/20 03:10	84.7	↑0.2
6/20 03:20	85.1	↑0.4
6/20 03:30	85.5	↑0.4
6/20 03:40	86.0	↑0.5
6/20 03:50	86.6	↑0.6
6/20 04:00	87.3	↑0.7
6/20 04:10	88.0	↑0.7
6/20 04:20	88.8	↑0.8
6/20 04:30	89.7	↑0.9
6/20 04:40	90.5	↑0.8
6/20 04:50	91.5	↑1.0
6/20 05:00	92.4	↑0.9
6/20 05:10	93.4	↑1.0
6/20 05:20	94.4	↑1.0
6/20 05:30	95.4	↑1.0
6/20 05:40	96.3	↑0.9
6/20 05:50	97.3	↑1.0
6/20 06:00	98.2	↑0.9
6/20 06:10	99.1	↑0.9
6/20 06:20	100.0	↑0.9
6/20 06:30	100.8	↑0.8
6/20 06:40	101.5	↑0.7
6/20 06:50	102.1	↑0.6
6/20 07:00	102.7	↑0.6
6/20 07:10	103.1	↑0.4
6/20 07:20	103.5	↑0.4
6/20 07:30	103.7	↑0.2
6/20 07:40	103.8	↑0.1	満潮
6/20 07:50	103.8	0
6/20 08:00	103.6	↓-0.2
6/20 08:10	103.3	↓-0.3
6/20 08:20	102.8	↓-0.5
6/20 08:30	102.2	↓-0.6
6/20 08:40	101.4	↓-0.8
6/20 08:50	100.4	↓-1.0
6/20 09:00	99.3	↓-1.1
6/20 09:10	98.0	↓-1.3
6/20 09:20	96.5	↓-1.5
6/20 09:30	94.9	↓-1.6
6/20 09:40	93.1	↓-1.8
6/20 09:50	91.2	↓-1.9
6/20 10:00	89.2	↓-2.0
6/20 10:10	87.0	↓-2.2
6/20 10:20	84.7	↓-2.3
6/20 10:30	82.3	↓-2.4
6/20 10:40	79.9	↓-2.4
6/20 10:50	77.3	↓-2.6
6/20 11:00	74.7	↓-2.6
6/20 11:10	72.1	↓-2.6
6/20 11:20	69.4	↓-2.7
6/20 11:30	66.7	↓-2.7
6/20 11:40	64.1	↓-2.6
6/20 11:50	61.5	↓-2.6
6/20 12:00	58.9	↓-2.6
6/20 12:10	56.3	↓-2.6
6/20 12:20	53.9	↓-2.4
6/20 12:30	51.6	↓-2.3
6/20 12:40	49.3	↓-2.3
6/20 12:50	47.2	↓-2.1
6/20 13:00	45.2	↓-2.0
6/20 13:10	43.4	↓-1.8
6/20 13:20	41.7	↓-1.7
6/20 13:30	40.2	↓-1.5
6/20 13:40	38.9	↓-1.3
6/20 13:50	37.8	↓-1.1
6/20 14:00	36.8	↓-1.0
6/20 14:10	36.0	↓-0.8
6/20 14:20	35.5	↓-0.5
6/20 14:30	35.1	↓-0.4
6/20 14:40	34.9	↓-0.2	干潮
6/20 14:50	34.9	0
6/20 15:00	35.1	↑0.2
6/20 15:10	35.5	↑0.4
6/20 15:20	36.1	↑0.6
6/20 15:30	36.9	↑0.8
6/20 15:40	37.9	↑1.0
6/20 15:50	39.0	↑1.1
6/20 16:00	40.3	↑1.3
6/20 16:10	41.8	↑1.5
6/20 16:20	43.4	↑1.6
6/20 16:30	45.2	↑1.8
6/20 16:40	47.1	↑1.9
6/20 16:50	49.1	↑2.0
6/20 17:00	51.3	↑2.2
6/20 17:10	53.5	↑2.2
6/20 17:20	55.9	↑2.4
6/20 17:30	58.4	↑2.5
6/20 17:40	60.9	↑2.5
6/20 17:50	63.6	↑2.7
6/20 18:00	66.2	↑2.6
6/20 18:10	68.9	↑2.7
6/20 18:20	71.7	↑2.8	最大潮位差
6/20 18:30	74.5	↑2.8	最大潮位差
6/20 18:40	77.2	↑2.7
6/20 18:50	80.0	↑2.8	最大潮位差
6/20 19:00	82.7	↑2.7
6/20 19:10	85.4	↑2.7
6/20 19:20	88.0	↑2.6
6/20 19:30	90.6	↑2.6
6/20 19:40	93.1	↑2.5
6/20 19:50	95.5	↑2.4
6/20 20:00	97.8	↑2.3
6/20 20:10	100.0	↑2.2
6/20 20:20	102.0	↑2.0
6/20 20:30	103.9	↑1.9
6/20 20:40	105.6	↑1.7
6/20 20:50	107.2	↑1.6
6/20 21:00	108.5	↑1.3
6/20 21:10	109.7	↑1.2
6/20 21:20	110.8	↑1.1
6/20 21:30	111.6	↑0.8
6/20 21:40	112.2	↑0.6
6/20 21:50	112.6	↑0.4
6/20 22:00	112.9	↑0.3	満潮
6/20 22:10	112.9	0
6/20 22:20	112.8	↓-0.1
6/20 22:30	112.5	↓-0.3
6/20 22:40	112.0	↓-0.5
6/20 22:50	111.3	↓-0.7
6/20 23:00	110.5	↓-0.8
6/20 23:10	109.6	↓-0.9
6/20 23:20	108.5	↓-1.1
6/20 23:30	107.3	↓-1.2
6/20 23:40	105.9	↓-1.4
6/20 23:50	104.5	↓-1.4