5 (月)	05:05	10:48	16:38	23:15
	135cm	59cm	139cm	21cm
中潮 出 05:20 入 16:53 出 18:39 入 08:10

根室（北海道）2020年10月5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
10/5 00:00	36.9	↑2.6
10/5 00:10	39.9	↑3.0
10/5 00:20	43.1	↑3.2
10/5 00:30	46.6	↑3.5
10/5 00:40	50.3	↑3.7
10/5 00:50	54.2	↑3.9
10/5 01:00	58.3	↑4.1
10/5 01:10	62.5	↑4.2
10/5 01:20	66.8	↑4.3
10/5 01:30	71.2	↑4.4
10/5 01:40	75.7	↑4.5
10/5 01:50	80.2	↑4.5
10/5 02:00	84.7	↑4.5
10/5 02:10	89.1	↑4.4
10/5 02:20	93.5	↑4.4
10/5 02:30	97.8	↑4.3
10/5 02:40	101.9	↑4.1
10/5 02:50	105.9	↑4.0
10/5 03:00	109.8	↑3.9
10/5 03:10	113.4	↑3.6
10/5 03:20	116.8	↑3.4
10/5 03:30	119.9	↑3.1
10/5 03:40	122.8	↑2.9
10/5 03:50	125.4	↑2.6
10/5 04:00	127.7	↑2.3
10/5 04:10	129.7	↑2.0
10/5 04:20	131.4	↑1.7
10/5 04:30	132.7	↑1.3
10/5 04:40	133.7	↑1.0
10/5 04:50	134.3	↑0.6
10/5 05:00	134.6	↑0.3	満潮
10/5 05:10	134.6	0
10/5 05:20	134.2	↓-0.4
10/5 05:30	133.5	↓-0.7
10/5 05:40	132.5	↓-1.0
10/5 05:50	131.2	↓-1.3
10/5 06:00	129.5	↓-1.7
10/5 06:10	127.6	↓-1.9
10/5 06:20	125.5	↓-2.1
10/5 06:30	123.1	↓-2.4
10/5 06:40	120.4	↓-2.7
10/5 06:50	117.6	↓-2.8
10/5 07:00	114.6	↓-3.0
10/5 07:10	111.4	↓-3.2
10/5 07:20	108.2	↓-3.2
10/5 07:30	104.8	↓-3.4
10/5 07:40	101.4	↓-3.4
10/5 07:50	97.9	↓-3.5
10/5 08:00	94.4	↓-3.5
10/5 08:10	91.0	↓-3.4
10/5 08:20	87.6	↓-3.4
10/5 08:30	84.2	↓-3.4
10/5 08:40	81.0	↓-3.2
10/5 08:50	77.9	↓-3.1
10/5 09:00	75.0	↓-2.9
10/5 09:10	72.2	↓-2.8
10/5 09:20	69.6	↓-2.6
10/5 09:30	67.3	↓-2.3
10/5 09:40	65.2	↓-2.1
10/5 09:50	63.3	↓-1.9
10/5 10:00	61.7	↓-1.6
10/5 10:10	60.4	↓-1.3
10/5 10:20	59.4	↓-1.0
10/5 10:30	58.8	↓-0.6
10/5 10:40	58.4	↓-0.4	干潮
10/5 10:50	58.3	↓-0.1
10/5 11:00	58.5	↑0.2
10/5 11:10	59.1	↑0.6
10/5 11:20	60.0	↑0.9
10/5 11:30	61.1	↑1.1
10/5 11:40	62.6	↑1.5
10/5 11:50	64.4	↑1.8
10/5 12:00	66.4	↑2.0
10/5 12:10	68.7	↑2.3
10/5 12:20	71.2	↑2.5
10/5 12:30	73.9	↑2.7
10/5 12:40	76.8	↑2.9
10/5 12:50	79.9	↑3.1
10/5 13:00	83.2	↑3.3
10/5 13:10	86.6	↑3.4
10/5 13:20	90.1	↑3.5
10/5 13:30	93.6	↑3.5
10/5 13:40	97.2	↑3.6
10/5 13:50	100.8	↑3.6
10/5 14:00	104.4	↑3.6
10/5 14:10	107.9	↑3.5
10/5 14:20	111.4	↑3.5
10/5 14:30	114.8	↑3.4
10/5 14:40	118.1	↑3.3
10/5 14:50	121.2	↑3.1
10/5 15:00	124.1	↑2.9
10/5 15:10	126.8	↑2.7
10/5 15:20	129.3	↑2.5
10/5 15:30	131.5	↑2.2
10/5 15:40	133.5	↑2.0
10/5 15:50	135.2	↑1.7
10/5 16:00	136.6	↑1.4
10/5 16:10	137.7	↑1.1
10/5 16:20	138.4	↑0.7
10/5 16:30	138.8	↑0.4	満潮
10/5 16:40	138.9	↑0.1
10/5 16:50	138.6	↓-0.3
10/5 17:00	138.0	↓-0.6
10/5 17:10	137.0	↓-1.0
10/5 17:20	135.7	↓-1.3
10/5 17:30	134.0	↓-1.7
10/5 17:40	132.0	↓-2.0
10/5 17:50	129.7	↓-2.3
10/5 18:00	127.0	↓-2.7
10/5 18:10	124.1	↓-2.9
10/5 18:20	120.9	↓-3.2
10/5 18:30	117.4	↓-3.5
10/5 18:40	113.7	↓-3.7
10/5 18:50	109.8	↓-3.9
10/5 19:00	105.7	↓-4.1
10/5 19:10	101.4	↓-4.3
10/5 19:20	96.9	↓-4.5
10/5 19:30	92.4	↓-4.5
10/5 19:40	87.8	↓-4.6
10/5 19:50	83.1	↓-4.7	最大潮位差
10/5 20:00	78.4	↓-4.7	最大潮位差
10/5 20:10	73.7	↓-4.7	最大潮位差
10/5 20:20	69.1	↓-4.6
10/5 20:30	64.5	↓-4.6
10/5 20:40	60.0	↓-4.5
10/5 20:50	55.6	↓-4.4
10/5 21:00	51.4	↓-4.2
10/5 21:10	47.4	↓-4.0
10/5 21:20	43.6	↓-3.8
10/5 21:30	40.0	↓-3.6
10/5 21:40	36.7	↓-3.3
10/5 21:50	33.6	↓-3.1
10/5 22:00	30.8	↓-2.8
10/5 22:10	28.4	↓-2.4
10/5 22:20	26.3	↓-2.1
10/5 22:30	24.5	↓-1.8
10/5 22:40	23.0	↓-1.5
10/5 22:50	22.0	↓-1.0
10/5 23:00	21.2	↓-0.8
10/5 23:10	20.9	↓-0.3	干潮
10/5 23:20	20.9	0
10/5 23:30	21.3	↑0.4
10/5 23:40	22.1	↑0.8
10/5 23:50	23.2	↑1.1