20 (日)	05:48	11:38	17:37	23:55
	131cm	55cm	135cm	41cm
中潮 出 06:10 入 16:56 出 20:45 入 07:59

根室（北海道）2022年02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
2/20 00:00	31.5	↑1.0
2/20 00:10	32.8	↑1.3
2/20 00:20	34.5	↑1.7
2/20 00:30	36.5	↑2.0
2/20 00:40	38.8	↑2.3
2/20 00:50	41.4	↑2.6
2/20 01:00	44.2	↑2.8
2/20 01:10	47.3	↑3.1
2/20 01:20	50.6	↑3.3
2/20 01:30	54.1	↑3.5
2/20 01:40	57.8	↑3.7
2/20 01:50	61.7	↑3.9
2/20 02:00	65.7	↑4.0
2/20 02:10	69.7	↑4.0
2/20 02:20	73.9	↑4.2	最大潮位差
2/20 02:30	78.0	↑4.1
2/20 02:40	82.2	↑4.2	最大潮位差
2/20 02:50	86.4	↑4.2	最大潮位差
2/20 03:00	90.5	↑4.1
2/20 03:10	94.5	↑4.0
2/20 03:20	98.5	↑4.0
2/20 03:30	102.3	↑3.8
2/20 03:40	105.9	↑3.6
2/20 03:50	109.4	↑3.5
2/20 04:00	112.7	↑3.3
2/20 04:10	115.7	↑3.0
2/20 04:20	118.5	↑2.8
2/20 04:30	121.1	↑2.6
2/20 04:40	123.3	↑2.2
2/20 04:50	125.3	↑2.0
2/20 05:00	127.0	↑1.7
2/20 05:10	128.4	↑1.4
2/20 05:20	129.4	↑1.0
2/20 05:30	130.1	↑0.7
2/20 05:40	130.5	↑0.4	満潮
2/20 05:50	130.6	↑0.1
2/20 06:00	130.4	↓-0.2
2/20 06:10	129.8	↓-0.6
2/20 06:20	128.9	↓-0.9
2/20 06:30	127.8	↓-1.1
2/20 06:40	126.3	↓-1.5
2/20 06:50	124.6	↓-1.7
2/20 07:00	122.6	↓-2.0
2/20 07:10	120.3	↓-2.3
2/20 07:20	117.9	↓-2.4
2/20 07:30	115.2	↓-2.7
2/20 07:40	112.3	↓-2.9
2/20 07:50	109.3	↓-3.0
2/20 08:00	106.2	↓-3.1
2/20 08:10	103.0	↓-3.2
2/20 08:20	99.6	↓-3.4
2/20 08:30	96.3	↓-3.3
2/20 08:40	92.9	↓-3.4
2/20 08:50	89.5	↓-3.4
2/20 09:00	86.1	↓-3.4
2/20 09:10	82.8	↓-3.3
2/20 09:20	79.5	↓-3.3
2/20 09:30	76.4	↓-3.1
2/20 09:40	73.4	↓-3.0
2/20 09:50	70.5	↓-2.9
2/20 10:00	67.9	↓-2.6
2/20 10:10	65.4	↓-2.5
2/20 10:20	63.1	↓-2.3
2/20 10:30	61.1	↓-2.0
2/20 10:40	59.3	↓-1.8
2/20 10:50	57.8	↓-1.5
2/20 11:00	56.6	↓-1.2
2/20 11:10	55.6	↓-1.0
2/20 11:20	54.9	↓-0.7
2/20 11:30	54.6	↓-0.3	干潮
2/20 11:40	54.5	↓-0.1
2/20 11:50	54.7	↑0.2
2/20 12:00	55.3	↑0.6
2/20 12:10	56.1	↑0.8
2/20 12:20	57.2	↑1.1
2/20 12:30	58.6	↑1.4
2/20 12:40	60.3	↑1.7
2/20 12:50	62.3	↑2.0
2/20 13:00	64.4	↑2.1
2/20 13:10	66.8	↑2.4
2/20 13:20	69.5	↑2.7
2/20 13:30	72.3	↑2.8
2/20 13:40	75.2	↑2.9
2/20 13:50	78.4	↑3.2
2/20 14:00	81.6	↑3.2
2/20 14:10	85.0	↑3.4
2/20 14:20	88.4	↑3.4
2/20 14:30	91.8	↑3.4
2/20 14:40	95.3	↑3.5
2/20 14:50	98.8	↑3.5
2/20 15:00	102.3	↑3.5
2/20 15:10	105.7	↑3.4
2/20 15:20	109.0	↑3.3
2/20 15:30	112.2	↑3.2
2/20 15:40	115.2	↑3.0
2/20 15:50	118.1	↑2.9
2/20 16:00	120.8	↑2.7
2/20 16:10	123.4	↑2.6
2/20 16:20	125.7	↑2.3
2/20 16:30	127.7	↑2.0
2/20 16:40	129.5	↑1.8
2/20 16:50	131.1	↑1.6
2/20 17:00	132.3	↑1.2
2/20 17:10	133.3	↑1.0
2/20 17:20	133.9	↑0.6
2/20 17:30	134.2	↑0.3	満潮
2/20 17:40	134.3	↑0.1
2/20 17:50	134.0	↓-0.3
2/20 18:00	133.4	↓-0.6
2/20 18:10	132.5	↓-0.9
2/20 18:20	131.3	↓-1.2
2/20 18:30	129.8	↓-1.5
2/20 18:40	127.9	↓-1.9
2/20 18:50	125.9	↓-2.0
2/20 19:00	123.5	↓-2.4
2/20 19:10	120.9	↓-2.6
2/20 19:20	118.1	↓-2.8
2/20 19:30	115.1	↓-3.0
2/20 19:40	111.8	↓-3.3
2/20 19:50	108.4	↓-3.4
2/20 20:00	104.9	↓-3.5
2/20 20:10	101.2	↓-3.7
2/20 20:20	97.5	↓-3.7
2/20 20:30	93.6	↓-3.9
2/20 20:40	89.8	↓-3.8
2/20 20:50	85.9	↓-3.9
2/20 21:00	82.0	↓-3.9
2/20 21:10	78.2	↓-3.8
2/20 21:20	74.4	↓-3.8
2/20 21:30	70.7	↓-3.7
2/20 21:40	67.1	↓-3.6
2/20 21:50	63.7	↓-3.4
2/20 22:00	60.5	↓-3.2
2/20 22:10	57.4	↓-3.1
2/20 22:20	54.5	↓-2.9
2/20 22:30	51.9	↓-2.6
2/20 22:40	49.5	↓-2.4
2/20 22:50	47.4	↓-2.1
2/20 23:00	45.5	↓-1.9
2/20 23:10	44.0	↓-1.5
2/20 23:20	42.7	↓-1.3
2/20 23:30	41.8	↓-0.9
2/20 23:40	41.2	↓-0.6
2/20 23:50	40.9	↓-0.3	干潮