5 (日)	04:49	07:05	14:25	22:30
	67cm	65cm	129cm	11cm
大潮 出 06:40 入 15:44 出 07:40 入 16:19

コイセボイ（北海道）2021年12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
12/5 00:00	28.2	↑1.9
12/5 00:10	30.2	↑2.0
12/5 00:20	32.3	↑2.1
12/5 00:30	34.4	↑2.1
12/5 00:40	36.5	↑2.1
12/5 00:50	38.6	↑2.1
12/5 01:00	40.7	↑2.1
12/5 01:10	42.8	↑2.1
12/5 01:20	44.9	↑2.1
12/5 01:30	46.9	↑2.0
12/5 01:40	48.8	↑1.9
12/5 01:50	50.7	↑1.9
12/5 02:00	52.5	↑1.8
12/5 02:10	54.3	↑1.8
12/5 02:20	55.9	↑1.6
12/5 02:30	57.4	↑1.5
12/5 02:40	58.8	↑1.4
12/5 02:50	60.1	↑1.3
12/5 03:00	61.3	↑1.2
12/5 03:10	62.4	↑1.1
12/5 03:20	63.3	↑0.9
12/5 03:30	64.2	↑0.9
12/5 03:40	64.9	↑0.7
12/5 03:50	65.5	↑0.6
12/5 04:00	66.0	↑0.5
12/5 04:10	66.4	↑0.4
12/5 04:20	66.6	↑0.2
12/5 04:30	66.8	↑0.2
12/5 04:40	66.9	↑0.1	満潮
12/5 04:50	67.0	↑0.1
12/5 05:00	66.9	↓-0.1
12/5 05:10	66.8	↓-0.1
12/5 05:20	66.6	↓-0.2
12/5 05:30	66.4	↓-0.2
12/5 05:40	66.2	↓-0.2
12/5 05:50	65.9	↓-0.3
12/5 06:00	65.7	↓-0.2
12/5 06:10	65.4	↓-0.3
12/5 06:20	65.2	↓-0.2
12/5 06:30	65.0	↓-0.2
12/5 06:40	64.8	↓-0.2
12/5 06:50	64.7	↓-0.1
12/5 07:00	64.6	↓-0.1	干潮
12/5 07:10	64.6	0
12/5 07:20	64.7	↑0.1
12/5 07:30	64.9	↑0.2
12/5 07:40	65.2	↑0.3
12/5 07:50	65.6	↑0.4
12/5 08:00	66.1	↑0.5
12/5 08:10	66.7	↑0.6
12/5 08:20	67.4	↑0.7
12/5 08:30	68.3	↑0.9
12/5 08:40	69.2	↑0.9
12/5 08:50	70.4	↑1.2
12/5 09:00	71.6	↑1.2
12/5 09:10	73.0	↑1.4
12/5 09:20	74.4	↑1.4
12/5 09:30	76.1	↑1.7
12/5 09:40	77.8	↑1.7
12/5 09:50	79.6	↑1.8
12/5 10:00	81.6	↑2.0
12/5 10:10	83.6	↑2.0
12/5 10:20	85.7	↑2.1
12/5 10:30	87.9	↑2.2
12/5 10:40	90.2	↑2.3
12/5 10:50	92.5	↑2.3
12/5 11:00	94.8	↑2.3
12/5 11:10	97.2	↑2.4
12/5 11:20	99.6	↑2.4
12/5 11:30	102.0	↑2.4
12/5 11:40	104.4	↑2.4
12/5 11:50	106.7	↑2.3
12/5 12:00	109.0	↑2.3
12/5 12:10	111.3	↑2.3
12/5 12:20	113.4	↑2.1
12/5 12:30	115.5	↑2.1
12/5 12:40	117.5	↑2.0
12/5 12:50	119.3	↑1.8
12/5 13:00	121.0	↑1.7
12/5 13:10	122.6	↑1.6
12/5 13:20	124.0	↑1.4
12/5 13:30	125.2	↑1.2
12/5 13:40	126.3	↑1.1
12/5 13:50	127.1	↑0.8
12/5 14:00	127.7	↑0.6
12/5 14:10	128.2	↑0.5
12/5 14:20	128.4	↑0.2	満潮
12/5 14:30	128.3	↓-0.1
12/5 14:40	128.1	↓-0.2
12/5 14:50	127.6	↓-0.5
12/5 15:00	126.9	↓-0.7
12/5 15:10	125.9	↓-1.0
12/5 15:20	124.7	↓-1.2
12/5 15:30	123.3	↓-1.4
12/5 15:40	121.6	↓-1.7
12/5 15:50	119.8	↓-1.8
12/5 16:00	117.6	↓-2.2
12/5 16:10	115.3	↓-2.3
12/5 16:20	112.8	↓-2.5
12/5 16:30	110.1	↓-2.7
12/5 16:40	107.2	↓-2.9
12/5 16:50	104.1	↓-3.1
12/5 17:00	100.9	↓-3.2
12/5 17:10	97.5	↓-3.4
12/5 17:20	94.0	↓-3.5
12/5 17:30	90.4	↓-3.6
12/5 17:40	86.7	↓-3.7
12/5 17:50	82.9	↓-3.8
12/5 18:00	79.1	↓-3.8
12/5 18:10	75.2	↓-3.9
12/5 18:20	71.3	↓-3.9
12/5 18:30	67.4	↓-3.9
12/5 18:40	63.4	↓-4.0	最大潮位差
12/5 18:50	59.6	↓-3.8
12/5 19:00	55.7	↓-3.9
12/5 19:10	52.0	↓-3.7
12/5 19:20	48.3	↓-3.7
12/5 19:30	44.7	↓-3.6
12/5 19:40	41.2	↓-3.5
12/5 19:50	37.9	↓-3.3
12/5 20:00	34.7	↓-3.2
12/5 20:10	31.6	↓-3.1
12/5 20:20	28.7	↓-2.9
12/5 20:30	26.1	↓-2.6
12/5 20:40	23.6	↓-2.5
12/5 20:50	21.3	↓-2.3
12/5 21:00	19.2	↓-2.1
12/5 21:10	17.3	↓-1.9
12/5 21:20	15.6	↓-1.7
12/5 21:30	14.2	↓-1.4
12/5 21:40	13.0	↓-1.2
12/5 21:50	12.0	↓-1.0
12/5 22:00	11.2	↓-0.8
12/5 22:10	10.7	↓-0.5
12/5 22:20	10.4	↓-0.3	干潮
12/5 22:30	10.3	↓-0.1	干潮
12/5 22:40	10.5	↑0.2
12/5 22:50	10.8	↑0.3
12/5 23:00	11.3	↑0.5
12/5 23:10	12.1	↑0.8
12/5 23:20	13.0	↑0.9
12/5 23:30	14.0	↑1.0
12/5 23:40	15.3	↑1.3
12/5 23:50	16.6	↑1.3