13 (月)	10:33	03:14	22:16	17:02
	123cm	56cm	102cm	80cm
長潮 出 06:41 入 15:44 出 12:45 入 00:31

根室（北海道）2021年12月13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
12/13 00:00	79.9	↓-2.0
12/13 00:10	78.0	↓-1.9
12/13 00:20	76.0	↓-2.0
12/13 00:30	74.1	↓-1.9
12/13 00:40	72.2	↓-1.9
12/13 00:50	70.3	↓-1.9
12/13 01:00	68.6	↓-1.7
12/13 01:10	66.8	↓-1.8
12/13 01:20	65.2	↓-1.6
12/13 01:30	63.7	↓-1.5
12/13 01:40	62.3	↓-1.4
12/13 01:50	61.0	↓-1.3
12/13 02:00	59.8	↓-1.2
12/13 02:10	58.7	↓-1.1
12/13 02:20	57.8	↓-0.9
12/13 02:30	57.0	↓-0.8
12/13 02:40	56.4	↓-0.6
12/13 02:50	55.9	↓-0.5
12/13 03:00	55.6	↓-0.3
12/13 03:10	55.5	↓-0.1	干潮
12/13 03:20	55.5	0
12/13 03:30	55.7	↑0.2
12/13 03:40	56.1	↑0.4
12/13 03:50	56.6	↑0.5
12/13 04:00	57.3	↑0.7
12/13 04:10	58.2	↑0.9
12/13 04:20	59.2	↑1.0
12/13 04:30	60.4	↑1.2
12/13 04:40	61.7	↑1.3
12/13 04:50	63.1	↑1.4
12/13 05:00	64.7	↑1.6
12/13 05:10	66.5	↑1.8
12/13 05:20	68.3	↑1.8
12/13 05:30	70.3	↑2.0
12/13 05:40	72.3	↑2.0
12/13 05:50	74.5	↑2.2
12/13 06:00	76.7	↑2.2
12/13 06:10	79.0	↑2.3
12/13 06:20	81.3	↑2.3
12/13 06:30	83.7	↑2.4
12/13 06:40	86.1	↑2.4
12/13 06:50	88.5	↑2.4
12/13 07:00	91.0	↑2.5	最大潮位差
12/13 07:10	93.4	↑2.4
12/13 07:20	95.8	↑2.4
12/13 07:30	98.1	↑2.3
12/13 07:40	100.4	↑2.3
12/13 07:50	102.7	↑2.3
12/13 08:00	104.8	↑2.1
12/13 08:10	106.9	↑2.1
12/13 08:20	108.9	↑2.0
12/13 08:30	110.8	↑1.9
12/13 08:40	112.5	↑1.7
12/13 08:50	114.2	↑1.7
12/13 09:00	115.7	↑1.5
12/13 09:10	117.1	↑1.4
12/13 09:20	118.3	↑1.2
12/13 09:30	119.4	↑1.1
12/13 09:40	120.3	↑0.9
12/13 09:50	121.1	↑0.8
12/13 10:00	121.7	↑0.6
12/13 10:10	122.1	↑0.4
12/13 10:20	122.4	↑0.3
12/13 10:30	122.5	↑0.1	満潮
12/13 10:40	122.4	↓-0.1
12/13 10:50	122.2	↓-0.2
12/13 11:00	121.9	↓-0.3
12/13 11:10	121.4	↓-0.5
12/13 11:20	120.7	↓-0.7
12/13 11:30	119.9	↓-0.8
12/13 11:40	119.0	↓-0.9
12/13 11:50	118.0	↓-1.0
12/13 12:00	116.8	↓-1.2
12/13 12:10	115.5	↓-1.3
12/13 12:20	114.2	↓-1.3
12/13 12:30	112.7	↓-1.5
12/13 12:40	111.2	↓-1.5
12/13 12:50	109.6	↓-1.6
12/13 13:00	108.0	↓-1.6
12/13 13:10	106.3	↓-1.7
12/13 13:20	104.6	↓-1.7
12/13 13:30	102.8	↓-1.8
12/13 13:40	101.1	↓-1.7
12/13 13:50	99.3	↓-1.8
12/13 14:00	97.6	↓-1.7
12/13 14:10	95.9	↓-1.7
12/13 14:20	94.2	↓-1.7
12/13 14:30	92.6	↓-1.6
12/13 14:40	91.1	↓-1.5
12/13 14:50	89.6	↓-1.5
12/13 15:00	88.2	↓-1.4
12/13 15:10	86.9	↓-1.3
12/13 15:20	85.6	↓-1.3
12/13 15:30	84.5	↓-1.1
12/13 15:40	83.5	↓-1.0
12/13 15:50	82.5	↓-1.0
12/13 16:00	81.7	↓-0.8
12/13 16:10	81.0	↓-0.7
12/13 16:20	80.5	↓-0.5
12/13 16:30	80.0	↓-0.5
12/13 16:40	79.7	↓-0.3
12/13 16:50	79.5	↓-0.2
12/13 17:00	79.4	↓-0.1	干潮
12/13 17:10	79.5	↑0.1
12/13 17:20	79.6	↑0.1
12/13 17:30	79.9	↑0.3
12/13 17:40	80.3	↑0.4
12/13 17:50	80.8	↑0.5
12/13 18:00	81.4	↑0.6
12/13 18:10	82.0	↑0.6
12/13 18:20	82.8	↑0.8
12/13 18:30	83.6	↑0.8
12/13 18:40	84.5	↑0.9
12/13 18:50	85.4	↑0.9
12/13 19:00	86.4	↑1.0
12/13 19:10	87.5	↑1.1
12/13 19:20	88.5	↑1.0
12/13 19:30	89.6	↑1.1
12/13 19:40	90.7	↑1.1
12/13 19:50	91.8	↑1.1
12/13 20:00	92.9	↑1.1
12/13 20:10	93.9	↑1.0
12/13 20:20	94.9	↑1.0
12/13 20:30	95.9	↑1.0
12/13 20:40	96.8	↑0.9
12/13 20:50	97.6	↑0.8
12/13 21:00	98.4	↑0.8
12/13 21:10	99.1	↑0.7
12/13 21:20	99.8	↑0.7
12/13 21:30	100.3	↑0.5
12/13 21:40	100.7	↑0.4
12/13 21:50	101.0	↑0.3
12/13 22:00	101.3	↑0.3
12/13 22:10	101.4	↑0.1	満潮
12/13 22:20	101.4	0
12/13 22:30	101.3	↓-0.1
12/13 22:40	101.0	↓-0.3
12/13 22:50	100.7	↓-0.3
12/13 23:00	100.2	↓-0.5
12/13 23:10	99.6	↓-0.6
12/13 23:20	99.0	↓-0.6
12/13 23:30	98.2	↓-0.8
12/13 23:40	97.3	↓-0.9
12/13 23:50	96.3	↓-1.0