18 (日)	03:13	05:50	12:59	20:43
	61cm	58cm	102cm	23cm
大潮 出 05:28 入 17:32 出 14:13 入 04:15

コイセボイ（北海道）2057年03月18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
3/18 00:00	46.5	↑1.4
3/18 00:10	47.8	↑1.3
3/18 00:20	49.1	↑1.3
3/18 00:30	50.3	↑1.2
3/18 00:40	51.5	↑1.2
3/18 00:50	52.6	↑1.1
3/18 01:00	53.7	↑1.1
3/18 01:10	54.7	↑1.0
3/18 01:20	55.6	↑0.9
3/18 01:30	56.4	↑0.8
3/18 01:40	57.1	↑0.7
3/18 01:50	57.7	↑0.6
3/18 02:00	58.3	↑0.6
3/18 02:10	58.8	↑0.5
3/18 02:20	59.2	↑0.4
3/18 02:30	59.5	↑0.3
3/18 02:40	59.8	↑0.3
3/18 02:50	59.9	↑0.1
3/18 03:00	60.0	↑0.1
3/18 03:10	60.1	↑0.1	満潮
3/18 03:20	60.1	0
3/18 03:30	60.0	↓-0.1
3/18 03:40	59.9	↓-0.1
3/18 03:50	59.7	↓-0.2
3/18 04:00	59.5	↓-0.2
3/18 04:10	59.3	↓-0.2
3/18 04:20	59.1	↓-0.2
3/18 04:30	58.8	↓-0.3
3/18 04:40	58.6	↓-0.2
3/18 04:50	58.4	↓-0.2
3/18 05:00	58.2	↓-0.2
3/18 05:10	58.0	↓-0.2
3/18 05:20	57.8	↓-0.2
3/18 05:30	57.7	↓-0.1
3/18 05:40	57.6	↓-0.1	干潮
3/18 05:50	57.6	0	干潮
3/18 06:00	57.6	0
3/18 06:10	57.7	↑0.1
3/18 06:20	57.9	↑0.2
3/18 06:30	58.2	↑0.3
3/18 06:40	58.5	↑0.3
3/18 06:50	58.9	↑0.4
3/18 07:00	59.4	↑0.5
3/18 07:10	60.0	↑0.6
3/18 07:20	60.7	↑0.7
3/18 07:30	61.5	↑0.8
3/18 07:40	62.3	↑0.8
3/18 07:50	63.3	↑1.0
3/18 08:00	64.3	↑1.0
3/18 08:10	65.5	↑1.2
3/18 08:20	66.7	↑1.2
3/18 08:30	68.0	↑1.3
3/18 08:40	69.3	↑1.3
3/18 08:50	70.7	↑1.4
3/18 09:00	72.2	↑1.5
3/18 09:10	73.8	↑1.6
3/18 09:20	75.3	↑1.5
3/18 09:30	76.9	↑1.6
3/18 09:40	78.6	↑1.7
3/18 09:50	80.2	↑1.6
3/18 10:00	81.9	↑1.7
3/18 10:10	83.6	↑1.7
3/18 10:20	85.2	↑1.6
3/18 10:30	86.8	↑1.6
3/18 10:40	88.4	↑1.6
3/18 10:50	89.9	↑1.5
3/18 11:00	91.4	↑1.5
3/18 11:10	92.8	↑1.4
3/18 11:20	94.1	↑1.3
3/18 11:30	95.4	↑1.3
3/18 11:40	96.5	↑1.1
3/18 11:50	97.5	↑1.0
3/18 12:00	98.5	↑1.0
3/18 12:10	99.2	↑0.7
3/18 12:20	99.9	↑0.7
3/18 12:30	100.4	↑0.5
3/18 12:40	100.8	↑0.4
3/18 12:50	101.0	↑0.2	満潮
3/18 13:00	101.0	0
3/18 13:10	100.9	↓-0.1
3/18 13:20	100.7	↓-0.2
3/18 13:30	100.2	↓-0.5
3/18 13:40	99.6	↓-0.6
3/18 13:50	98.9	↓-0.7
3/18 14:00	97.9	↓-1.0
3/18 14:10	96.8	↓-1.1
3/18 14:20	95.6	↓-1.2
3/18 14:30	94.1	↓-1.5
3/18 14:40	92.6	↓-1.5
3/18 14:50	90.9	↓-1.7
3/18 15:00	89.0	↓-1.9
3/18 15:10	87.0	↓-2.0
3/18 15:20	84.9	↓-2.1
3/18 15:30	82.7	↓-2.2
3/18 15:40	80.4	↓-2.3
3/18 15:50	78.0	↓-2.4
3/18 16:00	75.5	↓-2.5
3/18 16:10	72.9	↓-2.6
3/18 16:20	70.3	↓-2.6
3/18 16:30	67.6	↓-2.7
3/18 16:40	65.0	↓-2.6
3/18 16:50	62.2	↓-2.8	最大潮位差
3/18 17:00	59.5	↓-2.7
3/18 17:10	56.8	↓-2.7
3/18 17:20	54.2	↓-2.6
3/18 17:30	51.5	↓-2.7
3/18 17:40	49.0	↓-2.5
3/18 17:50	46.4	↓-2.6
3/18 18:00	44.0	↓-2.4
3/18 18:10	41.6	↓-2.4
3/18 18:20	39.4	↓-2.2
3/18 18:30	37.3	↓-2.1
3/18 18:40	35.2	↓-2.1
3/18 18:50	33.3	↓-1.9
3/18 19:00	31.6	↓-1.7
3/18 19:10	30.0	↓-1.6
3/18 19:20	28.5	↓-1.5
3/18 19:30	27.2	↓-1.3
3/18 19:40	26.1	↓-1.1
3/18 19:50	25.1	↓-1.0
3/18 20:00	24.3	↓-0.8
3/18 20:10	23.7	↓-0.6
3/18 20:20	23.2	↓-0.5
3/18 20:30	22.9	↓-0.3
3/18 20:40	22.8	↓-0.1	干潮
3/18 20:50	22.9	↑0.1
3/18 21:00	23.1	↑0.2
3/18 21:10	23.5	↑0.4
3/18 21:20	24.0	↑0.5
3/18 21:30	24.6	↑0.6
3/18 21:40	25.5	↑0.9
3/18 21:50	26.4	↑0.9
3/18 22:00	27.5	↑1.1
3/18 22:10	28.6	↑1.1
3/18 22:20	29.9	↑1.3
3/18 22:30	31.3	↑1.4
3/18 22:40	32.7	↑1.4
3/18 22:50	34.3	↑1.6
3/18 23:00	35.8	↑1.5
3/18 23:10	37.5	↑1.7
3/18 23:20	39.1	↑1.6
3/18 23:30	40.8	↑1.7
3/18 23:40	42.4	↑1.6
3/18 23:50	44.1	↑1.7