20 (木)	05:56	13:52	20:24	23:52
	103cm	29cm	61cm	56cm
小潮 出 03:38 入 19:09 出 23:32 入 09:56

コイセボイ（北海道）2041年06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
6/20 00:00	57.2	↑0.8
6/20 00:10	58.0	↑0.8
6/20 00:20	59.0	↑1.0
6/20 00:30	60.0	↑1.0
6/20 00:40	61.2	↑1.2
6/20 00:50	62.4	↑1.2
6/20 01:00	63.7	↑1.3
6/20 01:10	65.1	↑1.4
6/20 01:20	66.5	↑1.4
6/20 01:30	68.0	↑1.5
6/20 01:40	69.6	↑1.6
6/20 01:50	71.2	↑1.6
6/20 02:00	72.9	↑1.7
6/20 02:10	74.7	↑1.8
6/20 02:20	76.4	↑1.7
6/20 02:30	78.2	↑1.8
6/20 02:40	80.0	↑1.8
6/20 02:50	81.7	↑1.7
6/20 03:00	83.5	↑1.8
6/20 03:10	85.3	↑1.8
6/20 03:20	87.0	↑1.7
6/20 03:30	88.7	↑1.7
6/20 03:40	90.3	↑1.6
6/20 03:50	91.9	↑1.6
6/20 04:00	93.4	↑1.5
6/20 04:10	94.8	↑1.4
6/20 04:20	96.1	↑1.3
6/20 04:30	97.4	↑1.3
6/20 04:40	98.5	↑1.1
6/20 04:50	99.5	↑1.0
6/20 05:00	100.4	↑0.9
6/20 05:10	101.1	↑0.7
6/20 05:20	101.7	↑0.6
6/20 05:30	102.2	↑0.5
6/20 05:40	102.5	↑0.3
6/20 05:50	102.6	↑0.1	満潮
6/20 06:00	102.7	↑0.1
6/20 06:10	102.5	↓-0.2
6/20 06:20	102.2	↓-0.3
6/20 06:30	101.7	↓-0.5
6/20 06:40	101.1	↓-0.6
6/20 06:50	100.3	↓-0.8
6/20 07:00	99.3	↓-1.0
6/20 07:10	98.3	↓-1.0
6/20 07:20	97.0	↓-1.3
6/20 07:30	95.6	↓-1.4
6/20 07:40	94.1	↓-1.5
6/20 07:50	92.4	↓-1.7
6/20 08:00	90.6	↓-1.8
6/20 08:10	88.7	↓-1.9
6/20 08:20	86.7	↓-2.0
6/20 08:30	84.6	↓-2.1
6/20 08:40	82.4	↓-2.2
6/20 08:50	80.2	↓-2.2
6/20 09:00	77.8	↓-2.4
6/20 09:10	75.5	↓-2.3
6/20 09:20	73.0	↓-2.5	最大潮位差
6/20 09:30	70.6	↓-2.4
6/20 09:40	68.1	↓-2.5	最大潮位差
6/20 09:50	65.6	↓-2.5	最大潮位差
6/20 10:00	63.1	↓-2.5	最大潮位差
6/20 10:10	60.6	↓-2.5	最大潮位差
6/20 10:20	58.1	↓-2.5	最大潮位差
6/20 10:30	55.7	↓-2.4
6/20 10:40	53.4	↓-2.3
6/20 10:50	51.1	↓-2.3
6/20 11:00	48.8	↓-2.3
6/20 11:10	46.7	↓-2.1
6/20 11:20	44.6	↓-2.1
6/20 11:30	42.6	↓-2.0
6/20 11:40	40.8	↓-1.8
6/20 11:50	39.0	↓-1.8
6/20 12:00	37.4	↓-1.6
6/20 12:10	35.9	↓-1.5
6/20 12:20	34.5	↓-1.4
6/20 12:30	33.3	↓-1.2
6/20 12:40	32.2	↓-1.1
6/20 12:50	31.3	↓-0.9
6/20 13:00	30.5	↓-0.8
6/20 13:10	29.8	↓-0.7
6/20 13:20	29.3	↓-0.5
6/20 13:30	28.9	↓-0.4
6/20 13:40	28.7	↓-0.2
6/20 13:50	28.6	↓-0.1	干潮
6/20 14:00	28.7	↑0.1
6/20 14:10	28.8	↑0.1
6/20 14:20	29.2	↑0.4
6/20 14:30	29.6	↑0.4
6/20 14:40	30.1	↑0.5
6/20 14:50	30.8	↑0.7
6/20 15:00	31.5	↑0.7
6/20 15:10	32.4	↑0.9
6/20 15:20	33.3	↑0.9
6/20 15:30	34.3	↑1.0
6/20 15:40	35.4	↑1.1
6/20 15:50	36.6	↑1.2
6/20 16:00	37.7	↑1.1
6/20 16:10	39.0	↑1.3
6/20 16:20	40.2	↑1.2
6/20 16:30	41.5	↑1.3
6/20 16:40	42.8	↑1.3
6/20 16:50	44.1	↑1.3
6/20 17:00	45.4	↑1.3
6/20 17:10	46.6	↑1.2
6/20 17:20	47.9	↑1.3
6/20 17:30	49.1	↑1.2
6/20 17:40	50.3	↑1.2
6/20 17:50	51.4	↑1.1
6/20 18:00	52.5	↑1.1
6/20 18:10	53.5	↑1.0
6/20 18:20	54.5	↑1.0
6/20 18:30	55.4	↑0.9
6/20 18:40	56.2	↑0.8
6/20 18:50	56.9	↑0.7
6/20 19:00	57.6	↑0.7
6/20 19:10	58.2	↑0.6
6/20 19:20	58.7	↑0.5
6/20 19:30	59.1	↑0.4
6/20 19:40	59.5	↑0.4
6/20 19:50	59.8	↑0.3
6/20 20:00	60.0	↑0.2
6/20 20:10	60.1	↑0.1
6/20 20:20	60.1	0	満潮
6/20 20:30	60.1	0
6/20 20:40	60.0	↓-0.1
6/20 20:50	59.9	↓-0.1
6/20 21:00	59.7	↓-0.2
6/20 21:10	59.5	↓-0.2
6/20 21:20	59.2	↓-0.3
6/20 21:30	58.9	↓-0.3
6/20 21:40	58.6	↓-0.3
6/20 21:50	58.2	↓-0.4
6/20 22:00	57.8	↓-0.4
6/20 22:10	57.5	↓-0.3
6/20 22:20	57.1	↓-0.4
6/20 22:30	56.7	↓-0.4
6/20 22:40	56.4	↓-0.3
6/20 22:50	56.1	↓-0.3
6/20 23:00	55.8	↓-0.3
6/20 23:10	55.5	↓-0.3
6/20 23:20	55.3	↓-0.2
6/20 23:30	55.2	↓-0.1
6/20 23:40	55.1	↓-0.1
6/20 23:50	55.0	↓-0.1	干潮