20 (日)	11:42	05:46	23:30	16:55
	94cm	59cm	123cm	69cm
若潮 出 03:38 入 19:02 出 13:30 入 00:25

根室（北海道）2021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	113.6	↓-1.1
6/20 00:10	112.3	↓-1.3
6/20 00:20	110.9	↓-1.4
6/20 00:30	109.4	↓-1.5
6/20 00:40	107.8	↓-1.6
6/20 00:50	106.0	↓-1.8
6/20 01:00	104.1	↓-1.9
6/20 01:10	102.2	↓-1.9
6/20 01:20	100.2	↓-2.0
6/20 01:30	98.0	↓-2.2
6/20 01:40	95.9	↓-2.1
6/20 01:50	93.7	↓-2.2
6/20 02:00	91.5	↓-2.2
6/20 02:10	89.2	↓-2.3	最大潮位差
6/20 02:20	87.0	↓-2.2
6/20 02:30	84.7	↓-2.3	最大潮位差
6/20 02:40	82.5	↓-2.2
6/20 02:50	80.3	↓-2.2
6/20 03:00	78.2	↓-2.1
6/20 03:10	76.1	↓-2.1
6/20 03:20	74.1	↓-2.0
6/20 03:30	72.2	↓-1.9
6/20 03:40	70.4	↓-1.8
6/20 03:50	68.7	↓-1.7
6/20 04:00	67.1	↓-1.6
6/20 04:10	65.6	↓-1.5
6/20 04:20	64.3	↓-1.3
6/20 04:30	63.1	↓-1.2
6/20 04:40	62.0	↓-1.1
6/20 04:50	61.1	↓-0.9
6/20 05:00	60.3	↓-0.8
6/20 05:10	59.7	↓-0.6
6/20 05:20	59.2	↓-0.5
6/20 05:30	58.9	↓-0.3
6/20 05:40	58.7	↓-0.2	干潮
6/20 05:50	58.7	0
6/20 06:00	58.9	↑0.2
6/20 06:10	59.2	↑0.3
6/20 06:20	59.6	↑0.4
6/20 06:30	60.2	↑0.6
6/20 06:40	60.9	↑0.7
6/20 06:50	61.7	↑0.8
6/20 07:00	62.7	↑1.0
6/20 07:10	63.7	↑1.0
6/20 07:20	64.9	↑1.2
6/20 07:30	66.1	↑1.2
6/20 07:40	67.4	↑1.3
6/20 07:50	68.8	↑1.4
6/20 08:00	70.2	↑1.4
6/20 08:10	71.7	↑1.5
6/20 08:20	73.2	↑1.5
6/20 08:30	74.7	↑1.5
6/20 08:40	76.2	↑1.5
6/20 08:50	77.8	↑1.6
6/20 09:00	79.3	↑1.5
6/20 09:10	80.8	↑1.5
6/20 09:20	82.2	↑1.4
6/20 09:30	83.6	↑1.4
6/20 09:40	84.9	↑1.3
6/20 09:50	86.2	↑1.3
6/20 10:00	87.4	↑1.2
6/20 10:10	88.5	↑1.1
6/20 10:20	89.5	↑1.0
6/20 10:30	90.4	↑0.9
6/20 10:40	91.2	↑0.8
6/20 10:50	91.9	↑0.7
6/20 11:00	92.4	↑0.5
6/20 11:10	92.9	↑0.5
6/20 11:20	93.2	↑0.3
6/20 11:30	93.4	↑0.2
6/20 11:40	93.5	↑0.1	満潮
6/20 11:50	93.4	↓-0.1
6/20 12:00	93.2	↓-0.2
6/20 12:10	92.9	↓-0.3
6/20 12:20	92.5	↓-0.4
6/20 12:30	92.0	↓-0.5
6/20 12:40	91.4	↓-0.6
6/20 12:50	90.6	↓-0.8
6/20 13:00	89.8	↓-0.8
6/20 13:10	88.9	↓-0.9
6/20 13:20	87.9	↓-1.0
6/20 13:30	86.8	↓-1.1
6/20 13:40	85.7	↓-1.1
6/20 13:50	84.6	↓-1.1
6/20 14:00	83.4	↓-1.2
6/20 14:10	82.2	↓-1.2
6/20 14:20	80.9	↓-1.3
6/20 14:30	79.7	↓-1.2
6/20 14:40	78.5	↓-1.2
6/20 14:50	77.3	↓-1.2
6/20 15:00	76.1	↓-1.2
6/20 15:10	75.0	↓-1.1
6/20 15:20	73.9	↓-1.1
6/20 15:30	72.9	↓-1.0
6/20 15:40	72.0	↓-0.9
6/20 15:50	71.2	↓-0.8
6/20 16:00	70.5	↓-0.7
6/20 16:10	69.8	↓-0.7
6/20 16:20	69.3	↓-0.5
6/20 16:30	68.9	↓-0.4
6/20 16:40	68.7	↓-0.2
6/20 16:50	68.5	↓-0.2	干潮
6/20 17:00	68.5	0
6/20 17:10	68.7	↑0.2
6/20 17:20	69.0	↑0.3
6/20 17:30	69.4	↑0.4
6/20 17:40	70.0	↑0.6
6/20 17:50	70.7	↑0.7
6/20 18:00	71.6	↑0.9
6/20 18:10	72.6	↑1.0
6/20 18:20	73.8	↑1.2
6/20 18:30	75.1	↑1.3
6/20 18:40	76.5	↑1.4
6/20 18:50	78.0	↑1.5
6/20 19:00	79.7	↑1.7
6/20 19:10	81.4	↑1.7
6/20 19:20	83.2	↑1.8
6/20 19:30	85.2	↑2.0
6/20 19:40	87.1	↑1.9
6/20 19:50	89.2	↑2.1
6/20 20:00	91.3	↑2.1
6/20 20:10	93.4	↑2.1
6/20 20:20	95.5	↑2.1
6/20 20:30	97.7	↑2.2
6/20 20:40	99.8	↑2.1
6/20 20:50	101.9	↑2.1
6/20 21:00	104.0	↑2.1
6/20 21:10	106.0	↑2.0
6/20 21:20	108.0	↑2.0
6/20 21:30	109.9	↑1.9
6/20 21:40	111.7	↑1.8
6/20 21:50	113.4	↑1.7
6/20 22:00	114.9	↑1.5
6/20 22:10	116.4	↑1.5
6/20 22:20	117.7	↑1.3
6/20 22:30	118.8	↑1.1
6/20 22:40	119.8	↑1.0
6/20 22:50	120.6	↑0.8
6/20 23:00	121.3	↑0.7
6/20 23:10	121.7	↑0.4
6/20 23:20	122.0	↑0.3	満潮
6/20 23:30	122.1	↑0.1	満潮
6/20 23:40	122.0	↓-0.1
6/20 23:50	121.7	↓-0.3