31 (木)	05:19	09:54	14:53	22:28
	130cm	105cm	140cm	6cm
大潮 出 06:52 入 16:00 出 16:52 入 07:46

釧路（北海道）2020年12月31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
12/31 00:00	33.8	↑3.8
12/31 00:10	37.9	↑4.1
12/31 00:20	42.1	↑4.2
12/31 00:30	46.4	↑4.3
12/31 00:40	50.9	↑4.5
12/31 00:50	55.5	↑4.6
12/31 01:00	60.1	↑4.6
12/31 01:10	64.7	↑4.6
12/31 01:20	69.4	↑4.7
12/31 01:30	73.9	↑4.5
12/31 01:40	78.4	↑4.5
12/31 01:50	82.8	↑4.4
12/31 02:00	87.1	↑4.3
12/31 02:10	91.2	↑4.1
12/31 02:20	95.1	↑3.9
12/31 02:30	98.9	↑3.8
12/31 02:40	102.4	↑3.5
12/31 02:50	105.8	↑3.4
12/31 03:00	108.9	↑3.1
12/31 03:10	111.8	↑2.9
12/31 03:20	114.6	↑2.8
12/31 03:30	117.0	↑2.4
12/31 03:40	119.3	↑2.3
12/31 03:50	121.4	↑2.1
12/31 04:00	123.2	↑1.8
12/31 04:10	124.8	↑1.6
12/31 04:20	126.2	↑1.4
12/31 04:30	127.4	↑1.2
12/31 04:40	128.3	↑0.9
12/31 04:50	129.0	↑0.7
12/31 05:00	129.5	↑0.5
12/31 05:10	129.8	↑0.3	満潮
12/31 05:20	129.9	↑0.1
12/31 05:30	129.7	↓-0.2
12/31 05:40	129.4	↓-0.3
12/31 05:50	128.8	↓-0.6
12/31 06:00	128.1	↓-0.7
12/31 06:10	127.2	↓-0.9
12/31 06:20	126.1	↓-1.1
12/31 06:30	124.9	↓-1.2
12/31 06:40	123.6	↓-1.3
12/31 06:50	122.2	↓-1.4
12/31 07:00	120.8	↓-1.4
12/31 07:10	119.3	↓-1.5
12/31 07:20	117.8	↓-1.5
12/31 07:30	116.2	↓-1.6
12/31 07:40	114.8	↓-1.4
12/31 07:50	113.3	↓-1.5
12/31 08:00	112.0	↓-1.3
12/31 08:10	110.7	↓-1.3
12/31 08:20	109.5	↓-1.2
12/31 08:30	108.4	↓-1.1
12/31 08:40	107.4	↓-1.0
12/31 08:50	106.6	↓-0.8
12/31 09:00	105.8	↓-0.8
12/31 09:10	105.2	↓-0.6
12/31 09:20	104.8	↓-0.4
12/31 09:30	104.4	↓-0.4
12/31 09:40	104.2	↓-0.2
12/31 09:50	104.1	↓-0.1	干潮
12/31 10:00	104.1	0
12/31 10:10	104.3	↑0.2
12/31 10:20	104.5	↑0.2
12/31 10:30	105.0	↑0.5
12/31 10:40	105.5	↑0.5
12/31 10:50	106.2	↑0.7
12/31 11:00	107.1	↑0.9
12/31 11:10	108.1	↑1.0
12/31 11:20	109.2	↑1.1
12/31 11:30	110.4	↑1.2
12/31 11:40	111.8	↑1.4
12/31 11:50	113.3	↑1.5
12/31 12:00	115.0	↑1.7
12/31 12:10	116.7	↑1.7
12/31 12:20	118.5	↑1.8
12/31 12:30	120.4	↑1.9
12/31 12:40	122.4	↑2.0
12/31 12:50	124.3	↑1.9
12/31 13:00	126.2	↑1.9
12/31 13:10	128.1	↑1.9
12/31 13:20	130.0	↑1.9
12/31 13:30	131.7	↑1.7
12/31 13:40	133.4	↑1.7
12/31 13:50	134.8	↑1.4
12/31 14:00	136.1	↑1.3
12/31 14:10	137.2	↑1.1
12/31 14:20	138.1	↑0.9
12/31 14:30	138.8	↑0.7
12/31 14:40	139.3	↑0.5
12/31 14:50	139.4	↑0.1	満潮
12/31 15:00	139.4	0
12/31 15:10	139.1	↓-0.3
12/31 15:20	138.5	↓-0.6
12/31 15:30	137.6	↓-0.9
12/31 15:40	136.5	↓-1.1
12/31 15:50	135.2	↓-1.3
12/31 16:00	133.6	↓-1.6
12/31 16:10	131.7	↓-1.9
12/31 16:20	129.6	↓-2.1
12/31 16:30	127.3	↓-2.3
12/31 16:40	124.7	↓-2.6
12/31 16:50	121.9	↓-2.8
12/31 17:00	118.8	↓-3.1
12/31 17:10	115.6	↓-3.2
12/31 17:20	112.1	↓-3.5
12/31 17:30	108.4	↓-3.7
12/31 17:40	104.5	↓-3.9
12/31 17:50	100.4	↓-4.1
12/31 18:00	96.1	↓-4.3
12/31 18:10	91.7	↓-4.4
12/31 18:20	87.1	↓-4.6
12/31 18:30	82.4	↓-4.7
12/31 18:40	77.7	↓-4.7
12/31 18:50	72.8	↓-4.9	最大潮位差
12/31 19:00	67.9	↓-4.9	最大潮位差
12/31 19:10	63.0	↓-4.9	最大潮位差
12/31 19:20	58.2	↓-4.8
12/31 19:30	53.4	↓-4.8
12/31 19:40	48.7	↓-4.7
12/31 19:50	44.1	↓-4.6
12/31 20:00	39.7	↓-4.4
12/31 20:10	35.5	↓-4.2
12/31 20:20	31.4	↓-4.1
12/31 20:30	27.6	↓-3.8
12/31 20:40	24.1	↓-3.5
12/31 20:50	20.8	↓-3.3
12/31 21:00	17.9	↓-2.9
12/31 21:10	15.2	↓-2.7
12/31 21:20	12.8	↓-2.4
12/31 21:30	10.8	↓-2.0
12/31 21:40	9.0	↓-1.8
12/31 21:50	7.6	↓-1.4
12/31 22:00	6.6	↓-1.0
12/31 22:10	5.8	↓-0.8
12/31 22:20	5.4	↓-0.4	干潮
12/31 22:30	5.3	↓-0.1
12/31 22:40	5.6	↑0.3
12/31 22:50	6.2	↑0.6
12/31 23:00	7.1	↑0.9
12/31 23:10	8.4	↑1.3
12/31 23:20	10.0	↑1.6
12/31 23:30	12.0	↑2.0
12/31 23:40	14.3	↑2.3
12/31 23:50	16.9	↑2.6