12 (金)	04:31	07:17	14:34	22:20
	64cm	60cm	123cm	21cm
大潮 出 06:25 入 16:47 出 07:02 入 17:03

コイセボイ（北海道）2021年02月12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
2/12 00:00	31.4	↑1.7
2/12 00:10	33.1	↑1.7
2/12 00:20	34.9	↑1.8
2/12 00:30	36.7	↑1.8
2/12 00:40	38.6	↑1.9
2/12 00:50	40.4	↑1.8
2/12 01:00	42.3	↑1.9
2/12 01:10	44.1	↑1.8
2/12 01:20	45.9	↑1.8
2/12 01:30	47.6	↑1.7
2/12 01:40	49.3	↑1.7
2/12 01:50	50.9	↑1.6
2/12 02:00	52.5	↑1.6
2/12 02:10	53.9	↑1.4
2/12 02:20	55.3	↑1.4
2/12 02:30	56.6	↑1.3
2/12 02:40	57.8	↑1.2
2/12 02:50	58.9	↑1.1
2/12 03:00	59.8	↑0.9
2/12 03:10	60.7	↑0.9
2/12 03:20	61.4	↑0.7
2/12 03:30	62.1	↑0.7
2/12 03:40	62.6	↑0.5
2/12 03:50	63.0	↑0.4
2/12 04:00	63.4	↑0.4
2/12 04:10	63.6	↑0.2
2/12 04:20	63.7	↑0.1
2/12 04:30	63.8	↑0.1	満潮
2/12 04:40	63.7	↓-0.1
2/12 04:50	63.6	↓-0.1
2/12 05:00	63.4	↓-0.2
2/12 05:10	63.2	↓-0.2
2/12 05:20	62.9	↓-0.3
2/12 05:30	62.6	↓-0.3
2/12 05:40	62.2	↓-0.4
2/12 05:50	61.9	↓-0.3
2/12 06:00	61.5	↓-0.4
2/12 06:10	61.2	↓-0.3
2/12 06:20	60.8	↓-0.4
2/12 06:30	60.5	↓-0.3
2/12 06:40	60.2	↓-0.3
2/12 06:50	60.0	↓-0.2
2/12 07:00	59.9	↓-0.1
2/12 07:10	59.8	↓-0.1	干潮
2/12 07:20	59.8	0
2/12 07:30	59.9	↑0.1
2/12 07:40	60.0	↑0.1
2/12 07:50	60.3	↑0.3
2/12 08:00	60.7	↑0.4
2/12 08:10	61.2	↑0.5
2/12 08:20	61.9	↑0.7
2/12 08:30	62.6	↑0.7
2/12 08:40	63.5	↑0.9
2/12 08:50	64.5	↑1.0
2/12 09:00	65.6	↑1.1
2/12 09:10	66.9	↑1.3
2/12 09:20	68.3	↑1.4
2/12 09:30	69.8	↑1.5
2/12 09:40	71.4	↑1.6
2/12 09:50	73.2	↑1.8
2/12 10:00	75.0	↑1.8
2/12 10:10	76.9	↑1.9
2/12 10:20	79.0	↑2.1
2/12 10:30	81.1	↑2.1
2/12 10:40	83.2	↑2.1
2/12 10:50	85.5	↑2.3
2/12 11:00	87.8	↑2.3
2/12 11:10	90.1	↑2.3
2/12 11:20	92.4	↑2.3
2/12 11:30	94.8	↑2.4
2/12 11:40	97.1	↑2.3
2/12 11:50	99.4	↑2.3
2/12 12:00	101.7	↑2.3
2/12 12:10	103.9	↑2.2
2/12 12:20	106.1	↑2.2
2/12 12:30	108.2	↑2.1
2/12 12:40	110.2	↑2.0
2/12 12:50	112.1	↑1.9
2/12 13:00	113.8	↑1.7
2/12 13:10	115.5	↑1.7
2/12 13:20	117.0	↑1.5
2/12 13:30	118.3	↑1.3
2/12 13:40	119.4	↑1.1
2/12 13:50	120.4	↑1.0
2/12 14:00	121.2	↑0.8
2/12 14:10	121.8	↑0.6
2/12 14:20	122.2	↑0.4
2/12 14:30	122.3	↑0.1	満潮
2/12 14:40	122.3	0
2/12 14:50	122.0	↓-0.3
2/12 15:00	121.5	↓-0.5
2/12 15:10	120.8	↓-0.7
2/12 15:20	119.9	↓-0.9
2/12 15:30	118.8	↓-1.1
2/12 15:40	117.4	↓-1.4
2/12 15:50	115.8	↓-1.6
2/12 16:00	114.0	↓-1.8
2/12 16:10	112.0	↓-2.0
2/12 16:20	109.8	↓-2.2
2/12 16:30	107.5	↓-2.3
2/12 16:40	104.9	↓-2.6
2/12 16:50	102.3	↓-2.6
2/12 17:00	99.4	↓-2.9
2/12 17:10	96.4	↓-3.0
2/12 17:20	93.3	↓-3.1
2/12 17:30	90.1	↓-3.2
2/12 17:40	86.8	↓-3.3
2/12 17:50	83.4	↓-3.4
2/12 18:00	80.0	↓-3.4
2/12 18:10	76.5	↓-3.5	最大潮位差
2/12 18:20	73.0	↓-3.5	最大潮位差
2/12 18:30	69.5	↓-3.5	最大潮位差
2/12 18:40	66.0	↓-3.5	最大潮位差
2/12 18:50	62.6	↓-3.4
2/12 19:00	59.2	↓-3.4
2/12 19:10	55.8	↓-3.4
2/12 19:20	52.5	↓-3.3
2/12 19:30	49.4	↓-3.1
2/12 19:40	46.3	↓-3.1
2/12 19:50	43.3	↓-3.0
2/12 20:00	40.5	↓-2.8
2/12 20:10	37.8	↓-2.7
2/12 20:20	35.3	↓-2.5
2/12 20:30	33.0	↓-2.3
2/12 20:40	30.9	↓-2.1
2/12 20:50	28.9	↓-2.0
2/12 21:00	27.1	↓-1.8
2/12 21:10	25.6	↓-1.5
2/12 21:20	24.2	↓-1.4
2/12 21:30	23.1	↓-1.1
2/12 21:40	22.2	↓-0.9
2/12 21:50	21.5	↓-0.7
2/12 22:00	20.9	↓-0.6
2/12 22:10	20.7	↓-0.2	干潮
2/12 22:20	20.6	↓-0.1	干潮
2/12 22:30	20.7	↑0.1
2/12 22:40	21.0	↑0.3
2/12 22:50	21.5	↑0.5
2/12 23:00	22.2	↑0.7
2/12 23:10	23.0	↑0.8
2/12 23:20	24.0	↑1.0
2/12 23:30	25.2	↑1.2
2/12 23:40	26.5	↑1.3
2/12 23:50	27.9	↑1.4