12 (金)	03:27	06:43	13:44	21:18
	61cm	56cm	107cm	23cm
大潮 出 05:40 入 17:24 出 05:32 入 15:57

コイセボイ（北海道）2021年03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
3/12 00:00	41.7	↑1.6
3/12 00:10	43.3	↑1.6
3/12 00:20	44.9	↑1.6
3/12 00:30	46.5	↑1.6
3/12 00:40	48.0	↑1.5
3/12 00:50	49.5	↑1.5
3/12 01:00	50.9	↑1.4
3/12 01:10	52.2	↑1.3
3/12 01:20	53.4	↑1.2
3/12 01:30	54.6	↑1.2
3/12 01:40	55.6	↑1.0
3/12 01:50	56.6	↑1.0
3/12 02:00	57.5	↑0.9
3/12 02:10	58.3	↑0.8
3/12 02:20	59.0	↑0.7
3/12 02:30	59.5	↑0.5
3/12 02:40	60.0	↑0.5
3/12 02:50	60.4	↑0.4
3/12 03:00	60.7	↑0.3
3/12 03:10	60.9	↑0.2
3/12 03:20	61.0	↑0.1	満潮
3/12 03:30	61.0	0
3/12 03:40	60.9	↓-0.1
3/12 03:50	60.8	↓-0.1
3/12 04:00	60.5	↓-0.3
3/12 04:10	60.3	↓-0.2
3/12 04:20	60.0	↓-0.3
3/12 04:30	59.6	↓-0.4
3/12 04:40	59.2	↓-0.4
3/12 04:50	58.8	↓-0.4
3/12 05:00	58.3	↓-0.5
3/12 05:10	57.9	↓-0.4
3/12 05:20	57.4	↓-0.5
3/12 05:30	57.0	↓-0.4
3/12 05:40	56.6	↓-0.4
3/12 05:50	56.3	↓-0.3
3/12 06:00	55.9	↓-0.4
3/12 06:10	55.7	↓-0.2
3/12 06:20	55.5	↓-0.2
3/12 06:30	55.3	↓-0.2
3/12 06:40	55.3	0	干潮
3/12 06:50	55.3	0
3/12 07:00	55.4	↑0.1
3/12 07:10	55.7	↑0.3
3/12 07:20	56.0	↑0.3
3/12 07:30	56.4	↑0.4
3/12 07:40	56.9	↑0.5
3/12 07:50	57.6	↑0.7
3/12 08:00	58.4	↑0.8
3/12 08:10	59.2	↑0.8
3/12 08:20	60.2	↑1.0
3/12 08:30	61.3	↑1.1
3/12 08:40	62.6	↑1.3
3/12 08:50	63.9	↑1.3
3/12 09:00	65.3	↑1.4
3/12 09:10	66.8	↑1.5
3/12 09:20	68.4	↑1.6
3/12 09:30	70.1	↑1.7
3/12 09:40	71.9	↑1.8
3/12 09:50	73.7	↑1.8
3/12 10:00	75.6	↑1.9
3/12 10:10	77.5	↑1.9
3/12 10:20	79.4	↑1.9
3/12 10:30	81.4	↑2.0
3/12 10:40	83.4	↑2.0
3/12 10:50	85.4	↑2.0
3/12 11:00	87.4	↑2.0
3/12 11:10	89.3	↑1.9
3/12 11:20	91.2	↑1.9
3/12 11:30	93.1	↑1.9
3/12 11:40	94.8	↑1.7
3/12 11:50	96.6	↑1.8
3/12 12:00	98.2	↑1.6
3/12 12:10	99.7	↑1.5
3/12 12:20	101.1	↑1.4
3/12 12:30	102.3	↑1.2
3/12 12:40	103.5	↑1.2
3/12 12:50	104.5	↑1.0
3/12 13:00	105.3	↑0.8
3/12 13:10	106.0	↑0.7
3/12 13:20	106.5	↑0.5
3/12 13:30	106.8	↑0.3
3/12 13:40	107.0	↑0.2	満潮
3/12 13:50	106.9	↓-0.1
3/12 14:00	106.7	↓-0.2
3/12 14:10	106.3	↓-0.4
3/12 14:20	105.6	↓-0.7
3/12 14:30	104.8	↓-0.8
3/12 14:40	103.9	↓-0.9
3/12 14:50	102.7	↓-1.2
3/12 15:00	101.3	↓-1.4
3/12 15:10	99.8	↓-1.5
3/12 15:20	98.1	↓-1.7
3/12 15:30	96.2	↓-1.9
3/12 15:40	94.1	↓-2.1
3/12 15:50	92.0	↓-2.1
3/12 16:00	89.6	↓-2.4
3/12 16:10	87.2	↓-2.4
3/12 16:20	84.6	↓-2.6
3/12 16:30	82.0	↓-2.6
3/12 16:40	79.2	↓-2.8
3/12 16:50	76.4	↓-2.8
3/12 17:00	73.5	↓-2.9
3/12 17:10	70.6	↓-2.9
3/12 17:20	67.7	↓-2.9
3/12 17:30	64.7	↓-3.0	最大潮位差
3/12 17:40	61.7	↓-3.0	最大潮位差
3/12 17:50	58.8	↓-2.9
3/12 18:00	55.8	↓-3.0	最大潮位差
3/12 18:10	53.0	↓-2.8
3/12 18:20	50.2	↓-2.8
3/12 18:30	47.4	↓-2.8
3/12 18:40	44.8	↓-2.6
3/12 18:50	42.2	↓-2.6
3/12 19:00	39.8	↓-2.4
3/12 19:10	37.5	↓-2.3
3/12 19:20	35.3	↓-2.2
3/12 19:30	33.3	↓-2.0
3/12 19:40	31.4	↓-1.9
3/12 19:50	29.7	↓-1.7
3/12 20:00	28.2	↓-1.5
3/12 20:10	26.9	↓-1.3
3/12 20:20	25.7	↓-1.2
3/12 20:30	24.7	↓-1.0
3/12 20:40	23.9	↓-0.8
3/12 20:50	23.3	↓-0.6
3/12 21:00	22.9	↓-0.4
3/12 21:10	22.7	↓-0.2	干潮
3/12 21:20	22.7	0
3/12 21:30	22.8	↑0.1
3/12 21:40	23.1	↑0.3
3/12 21:50	23.6	↑0.5
3/12 22:00	24.3	↑0.7
3/12 22:10	25.1	↑0.8
3/12 22:20	26.1	↑1.0
3/12 22:30	27.2	↑1.1
3/12 22:40	28.4	↑1.2
3/12 22:50	29.7	↑1.3
3/12 23:00	31.2	↑1.5
3/12 23:10	32.7	↑1.5
3/12 23:20	34.3	↑1.6
3/12 23:30	36.0	↑1.7
3/12 23:40	37.7	↑1.7
3/12 23:50	39.5	↑1.8