20 (日)	08:31	16:52	23:58	-
	83cm	33cm	61cm	-
長潮 出 03:50 入 18:47 出 11:28 入 00:59

コイセボイ（北海道）2040年05月20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
5/20 00:00	55.1	↑0.2
5/20 00:10	55.3	↑0.2
5/20 00:20	55.4	↑0.1
5/20 00:30	55.6	↑0.2
5/20 00:40	55.8	↑0.2
5/20 00:50	56.0	↑0.2
5/20 01:00	56.2	↑0.2
5/20 01:10	56.4	↑0.2
5/20 01:20	56.6	↑0.2
5/20 01:30	56.9	↑0.3
5/20 01:40	57.1	↑0.2
5/20 01:50	57.4	↑0.3
5/20 02:00	57.8	↑0.4
5/20 02:10	58.1	↑0.3
5/20 02:20	58.5	↑0.4
5/20 02:30	59.0	↑0.5
5/20 02:40	59.4	↑0.4
5/20 02:50	59.9	↑0.5
5/20 03:00	60.5	↑0.6
5/20 03:10	61.0	↑0.5
5/20 03:20	61.7	↑0.7
5/20 03:30	62.3	↑0.6
5/20 03:40	63.0	↑0.7
5/20 03:50	63.7	↑0.7
5/20 04:00	64.4	↑0.7
5/20 04:10	65.2	↑0.8
5/20 04:20	66.0	↑0.8
5/20 04:30	66.8	↑0.8
5/20 04:40	67.7	↑0.9
5/20 04:50	68.5	↑0.8
5/20 05:00	69.4	↑0.9
5/20 05:10	70.3	↑0.9
5/20 05:20	71.1	↑0.8
5/20 05:30	72.0	↑0.9
5/20 05:40	72.9	↑0.9
5/20 05:50	73.7	↑0.8
5/20 06:00	74.6	↑0.9
5/20 06:10	75.4	↑0.8
5/20 06:20	76.2	↑0.8
5/20 06:30	77.0	↑0.8
5/20 06:40	77.7	↑0.7
5/20 06:50	78.4	↑0.7
5/20 07:00	79.0	↑0.6
5/20 07:10	79.6	↑0.6
5/20 07:20	80.1	↑0.5
5/20 07:30	80.6	↑0.5
5/20 07:40	81.0	↑0.4
5/20 07:50	81.4	↑0.4
5/20 08:00	81.7	↑0.3
5/20 08:10	81.9	↑0.2
5/20 08:20	82.0	↑0.1
5/20 08:30	82.0	0	満潮
5/20 08:40	82.0	0
5/20 08:50	81.8	↓-0.2
5/20 09:00	81.6	↓-0.2
5/20 09:10	81.3	↓-0.3
5/20 09:20	80.9	↓-0.4
5/20 09:30	80.5	↓-0.4
5/20 09:40	79.9	↓-0.6
5/20 09:50	79.2	↓-0.7
5/20 10:00	78.5	↓-0.7
5/20 10:10	77.7	↓-0.8
5/20 10:20	76.8	↓-0.9
5/20 10:30	75.8	↓-1.0
5/20 10:40	74.7	↓-1.1
5/20 10:50	73.6	↓-1.1
5/20 11:00	72.4	↓-1.2
5/20 11:10	71.1	↓-1.3
5/20 11:20	69.8	↓-1.3
5/20 11:30	68.4	↓-1.4
5/20 11:40	67.0	↓-1.4
5/20 11:50	65.5	↓-1.5
5/20 12:00	64.0	↓-1.5
5/20 12:10	62.5	↓-1.5
5/20 12:20	60.9	↓-1.6	最大潮位差
5/20 12:30	59.3	↓-1.6	最大潮位差
5/20 12:40	57.8	↓-1.5
5/20 12:50	56.2	↓-1.6	最大潮位差
5/20 13:00	54.6	↓-1.6	最大潮位差
5/20 13:10	53.0	↓-1.6	最大潮位差
5/20 13:20	51.4	↓-1.6	最大潮位差
5/20 13:30	49.9	↓-1.5
5/20 13:40	48.4	↓-1.5
5/20 13:50	46.9	↓-1.5
5/20 14:00	45.5	↓-1.4
5/20 14:10	44.1	↓-1.4
5/20 14:20	42.7	↓-1.4
5/20 14:30	41.5	↓-1.2
5/20 14:40	40.3	↓-1.2
5/20 14:50	39.1	↓-1.2
5/20 15:00	38.1	↓-1.0
5/20 15:10	37.1	↓-1.0
5/20 15:20	36.2	↓-0.9
5/20 15:30	35.4	↓-0.8
5/20 15:40	34.7	↓-0.7
5/20 15:50	34.0	↓-0.7
5/20 16:00	33.5	↓-0.5
5/20 16:10	33.1	↓-0.4
5/20 16:20	32.7	↓-0.4
5/20 16:30	32.5	↓-0.2
5/20 16:40	32.3	↓-0.2
5/20 16:50	32.2	↓-0.1	干潮
5/20 17:00	32.3	↑0.1
5/20 17:10	32.4	↑0.1
5/20 17:20	32.6	↑0.2
5/20 17:30	32.9	↑0.3
5/20 17:40	33.3	↑0.4
5/20 17:50	33.8	↑0.5
5/20 18:00	34.3	↑0.5
5/20 18:10	34.9	↑0.6
5/20 18:20	35.6	↑0.7
5/20 18:30	36.4	↑0.8
5/20 18:40	37.2	↑0.8
5/20 18:50	38.0	↑0.8
5/20 19:00	38.9	↑0.9
5/20 19:10	39.9	↑1.0
5/20 19:20	40.8	↑0.9
5/20 19:30	41.8	↑1.0
5/20 19:40	42.9	↑1.1
5/20 19:50	43.9	↑1.0
5/20 20:00	45.0	↑1.1
5/20 20:10	46.0	↑1.0
5/20 20:20	47.0	↑1.0
5/20 20:30	48.1	↑1.1
5/20 20:40	49.1	↑1.0
5/20 20:50	50.1	↑1.0
5/20 21:00	51.1	↑1.0
5/20 21:10	52.0	↑0.9
5/20 21:20	52.9	↑0.9
5/20 21:30	53.8	↑0.9
5/20 21:40	54.6	↑0.8
5/20 21:50	55.4	↑0.8
5/20 22:00	56.1	↑0.7
5/20 22:10	56.7	↑0.6
5/20 22:20	57.3	↑0.6
5/20 22:30	57.9	↑0.6
5/20 22:40	58.4	↑0.5
5/20 22:50	58.8	↑0.4
5/20 23:00	59.2	↑0.4
5/20 23:10	59.5	↑0.3
5/20 23:20	59.7	↑0.2
5/20 23:30	59.9	↑0.2
5/20 23:40	60.0	↑0.1
5/20 23:50	60.1	↑0.1	満潮