7 (火)	05:57	10:16	15:45	23:20
	127cm	101cm	151cm	4cm
中潮 出 06:36 入 15:44 出 09:47 入 18:35

根室（北海道）2021年12月7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
12/7 00:00	12.3	↑2.6
12/7 00:10	15.2	↑2.9
12/7 00:20	18.4	↑3.2
12/7 00:30	21.9	↑3.5
12/7 00:40	25.6	↑3.7
12/7 00:50	29.5	↑3.9
12/7 01:00	33.5	↑4.0
12/7 01:10	37.8	↑4.3
12/7 01:20	42.1	↑4.3
12/7 01:30	46.6	↑4.5
12/7 01:40	51.1	↑4.5
12/7 01:50	55.7	↑4.6
12/7 02:00	60.4	↑4.7
12/7 02:10	65.0	↑4.6
12/7 02:20	69.6	↑4.6
12/7 02:30	74.1	↑4.5
12/7 02:40	78.6	↑4.5
12/7 02:50	83.0	↑4.4
12/7 03:00	87.2	↑4.2
12/7 03:10	91.3	↑4.1
12/7 03:20	95.2	↑3.9
12/7 03:30	99.0	↑3.8
12/7 03:40	102.5	↑3.5
12/7 03:50	105.9	↑3.4
12/7 04:00	109.0	↑3.1
12/7 04:10	111.8	↑2.8
12/7 04:20	114.5	↑2.7
12/7 04:30	116.8	↑2.3
12/7 04:40	118.9	↑2.1
12/7 04:50	120.7	↑1.8
12/7 05:00	122.3	↑1.6
12/7 05:10	123.6	↑1.3
12/7 05:20	124.6	↑1.0
12/7 05:30	125.3	↑0.7
12/7 05:40	125.8	↑0.5
12/7 05:50	126.1	↑0.3	満潮
12/7 06:00	126.1	0
12/7 06:10	125.9	↓-0.2
12/7 06:20	125.5	↓-0.4
12/7 06:30	124.9	↓-0.6
12/7 06:40	124.1	↓-0.8
12/7 06:50	123.2	↓-0.9
12/7 07:00	122.1	↓-1.1
12/7 07:10	120.9	↓-1.2
12/7 07:20	119.5	↓-1.4
12/7 07:30	118.1	↓-1.4
12/7 07:40	116.7	↓-1.4
12/7 07:50	115.1	↓-1.6
12/7 08:00	113.6	↓-1.5
12/7 08:10	112.1	↓-1.5
12/7 08:20	110.5	↓-1.6
12/7 08:30	109.1	↓-1.4
12/7 08:40	107.6	↓-1.5
12/7 08:50	106.3	↓-1.3
12/7 09:00	105.1	↓-1.2
12/7 09:10	103.9	↓-1.2
12/7 09:20	102.9	↓-1.0
12/7 09:30	102.1	↓-0.8
12/7 09:40	101.3	↓-0.8
12/7 09:50	100.8	↓-0.5
12/7 10:00	100.4	↓-0.4
12/7 10:10	100.3	↓-0.1	干潮
12/7 10:20	100.3	0
12/7 10:30	100.5	↑0.2
12/7 10:40	100.9	↑0.4
12/7 10:50	101.5	↑0.6
12/7 11:00	102.2	↑0.7
12/7 11:10	103.2	↑1.0
12/7 11:20	104.4	↑1.2
12/7 11:30	105.7	↑1.3
12/7 11:40	107.3	↑1.6
12/7 11:50	108.9	↑1.6
12/7 12:00	110.8	↑1.9
12/7 12:10	112.7	↑1.9
12/7 12:20	114.8	↑2.1
12/7 12:30	117.0	↑2.2
12/7 12:40	119.3	↑2.3
12/7 12:50	121.6	↑2.3
12/7 13:00	124.0	↑2.4
12/7 13:10	126.4	↑2.4
12/7 13:20	128.8	↑2.4
12/7 13:30	131.2	↑2.4
12/7 13:40	133.5	↑2.3
12/7 13:50	135.8	↑2.3
12/7 14:00	138.0	↑2.2
12/7 14:10	140.1	↑2.1
12/7 14:20	142.0	↑1.9
12/7 14:30	143.9	↑1.9
12/7 14:40	145.5	↑1.6
12/7 14:50	147.0	↑1.5
12/7 15:00	148.2	↑1.2
12/7 15:10	149.2	↑1.0
12/7 15:20	150.0	↑0.8
12/7 15:30	150.6	↑0.6
12/7 15:40	150.8	↑0.2	満潮
12/7 15:50	150.8	0
12/7 16:00	150.5	↓-0.3
12/7 16:10	149.9	↓-0.6
12/7 16:20	149.0	↓-0.9
12/7 16:30	147.7	↓-1.3
12/7 16:40	146.2	↓-1.5
12/7 16:50	144.4	↓-1.8
12/7 17:00	142.2	↓-2.2
12/7 17:10	139.8	↓-2.4
12/7 17:20	137.1	↓-2.7
12/7 17:30	134.0	↓-3.1
12/7 17:40	130.7	↓-3.3
12/7 17:50	127.2	↓-3.5
12/7 18:00	123.4	↓-3.8
12/7 18:10	119.3	↓-4.1
12/7 18:20	115.0	↓-4.3
12/7 18:30	110.6	↓-4.4
12/7 18:40	105.9	↓-4.7
12/7 18:50	101.2	↓-4.7
12/7 19:00	96.2	↓-5.0
12/7 19:10	91.2	↓-5.0
12/7 19:20	86.1	↓-5.1
12/7 19:30	80.9	↓-5.2	最大潮位差
12/7 19:40	75.7	↓-5.2	最大潮位差
12/7 19:50	70.5	↓-5.2	最大潮位差
12/7 20:00	65.4	↓-5.1
12/7 20:10	60.2	↓-5.2	最大潮位差
12/7 20:20	55.2	↓-5.0
12/7 20:30	50.3	↓-4.9
12/7 20:40	45.5	↓-4.8
12/7 20:50	40.8	↓-4.7
12/7 21:00	36.4	↓-4.4
12/7 21:10	32.1	↓-4.3
12/7 21:20	28.1	↓-4.0
12/7 21:30	24.3	↓-3.8
12/7 21:40	20.8	↓-3.5
12/7 21:50	17.5	↓-3.3
12/7 22:00	14.6	↓-2.9
12/7 22:10	12.0	↓-2.6
12/7 22:20	9.7	↓-2.3
12/7 22:30	7.8	↓-1.9
12/7 22:40	6.2	↓-1.6
12/7 22:50	5.0	↓-1.2
12/7 23:00	4.1	↓-0.9
12/7 23:10	3.6	↓-0.5	干潮
12/7 23:20	3.5	↓-0.1	干潮
12/7 23:30	3.7	↑0.2
12/7 23:40	4.3	↑0.6
12/7 23:50	5.3	↑1.0