19 (火)	09:55	03:15	21:19	15:13
	74cm	46cm	80cm	61cm
小潮 出 06:21 入 15:53 出 - 入 12:07

コイセボイ（北海道）2030年11月19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
11/19 00:00	62.6	↓-1.5	最大潮位差
11/19 00:10	61.2	↓-1.4
11/19 00:20	59.7	↓-1.5	最大潮位差
11/19 00:30	58.4	↓-1.3
11/19 00:40	57.0	↓-1.4
11/19 00:50	55.7	↓-1.3
11/19 01:00	54.5	↓-1.2
11/19 01:10	53.3	↓-1.2
11/19 01:20	52.2	↓-1.1
11/19 01:30	51.2	↓-1.0
11/19 01:40	50.3	↓-0.9
11/19 01:50	49.4	↓-0.9
11/19 02:00	48.6	↓-0.8
11/19 02:10	48.0	↓-0.6
11/19 02:20	47.4	↓-0.6
11/19 02:30	46.9	↓-0.5
11/19 02:40	46.5	↓-0.4
11/19 02:50	46.2	↓-0.3
11/19 03:00	46.0	↓-0.2
11/19 03:10	45.9	↓-0.1	干潮
11/19 03:20	46.0	↑0.1
11/19 03:30	46.1	↑0.1
11/19 03:40	46.3	↑0.2
11/19 03:50	46.6	↑0.3
11/19 04:00	46.9	↑0.3
11/19 04:10	47.4	↑0.5
11/19 04:20	48.0	↑0.6
11/19 04:30	48.6	↑0.6
11/19 04:40	49.3	↑0.7
11/19 04:50	50.0	↑0.7
11/19 05:00	50.9	↑0.9
11/19 05:10	51.7	↑0.8
11/19 05:20	52.7	↑1.0
11/19 05:30	53.6	↑0.9
11/19 05:40	54.7	↑1.1
11/19 05:50	55.7	↑1.0
11/19 06:00	56.7	↑1.0
11/19 06:10	57.8	↑1.1
11/19 06:20	58.9	↑1.1
11/19 06:30	60.0	↑1.1
11/19 06:40	61.1	↑1.1
11/19 06:50	62.1	↑1.0
11/19 07:00	63.2	↑1.1
11/19 07:10	64.2	↑1.0
11/19 07:20	65.2	↑1.0
11/19 07:30	66.1	↑0.9
11/19 07:40	67.1	↑1.0
11/19 07:50	67.9	↑0.8
11/19 08:00	68.7	↑0.8
11/19 08:10	69.5	↑0.8
11/19 08:20	70.2	↑0.7
11/19 08:30	70.8	↑0.6
11/19 08:40	71.4	↑0.6
11/19 08:50	71.9	↑0.5
11/19 09:00	72.3	↑0.4
11/19 09:10	72.7	↑0.4
11/19 09:20	72.9	↑0.2
11/19 09:30	73.2	↑0.3
11/19 09:40	73.3	↑0.1
11/19 09:50	73.4	↑0.1	満潮
11/19 10:00	73.4	0
11/19 10:10	73.3	↓-0.1
11/19 10:20	73.1	↓-0.2
11/19 10:30	72.9	↓-0.2
11/19 10:40	72.7	↓-0.2
11/19 10:50	72.3	↓-0.4
11/19 11:00	72.0	↓-0.3
11/19 11:10	71.5	↓-0.5
11/19 11:20	71.1	↓-0.4
11/19 11:30	70.6	↓-0.5
11/19 11:40	70.0	↓-0.6
11/19 11:50	69.5	↓-0.5
11/19 12:00	68.9	↓-0.6
11/19 12:10	68.3	↓-0.6
11/19 12:20	67.6	↓-0.7
11/19 12:30	67.0	↓-0.6
11/19 12:40	66.4	↓-0.6
11/19 12:50	65.7	↓-0.7
11/19 13:00	65.1	↓-0.6
11/19 13:10	64.5	↓-0.6
11/19 13:20	64.0	↓-0.5
11/19 13:30	63.4	↓-0.6
11/19 13:40	62.9	↓-0.5
11/19 13:50	62.4	↓-0.5
11/19 14:00	62.0	↓-0.4
11/19 14:10	61.6	↓-0.4
11/19 14:20	61.3	↓-0.3
11/19 14:30	61.0	↓-0.3
11/19 14:40	60.8	↓-0.2
11/19 14:50	60.6	↓-0.2
11/19 15:00	60.5	↓-0.1
11/19 15:10	60.5	0	干潮
11/19 15:20	60.5	0
11/19 15:30	60.6	↑0.1
11/19 15:40	60.7	↑0.1
11/19 15:50	60.9	↑0.2
11/19 16:00	61.2	↑0.3
11/19 16:10	61.5	↑0.3
11/19 16:20	61.9	↑0.4
11/19 16:30	62.4	↑0.5
11/19 16:40	62.9	↑0.5
11/19 16:50	63.4	↑0.5
11/19 17:00	64.1	↑0.7
11/19 17:10	64.7	↑0.6
11/19 17:20	65.4	↑0.7
11/19 17:30	66.1	↑0.7
11/19 17:40	66.8	↑0.7
11/19 17:50	67.6	↑0.8
11/19 18:00	68.4	↑0.8
11/19 18:10	69.2	↑0.8
11/19 18:20	70.0	↑0.8
11/19 18:30	70.8	↑0.8
11/19 18:40	71.6	↑0.8
11/19 18:50	72.4	↑0.8
11/19 19:00	73.2	↑0.8
11/19 19:10	73.9	↑0.7
11/19 19:20	74.7	↑0.8
11/19 19:30	75.3	↑0.6
11/19 19:40	76.0	↑0.7
11/19 19:50	76.6	↑0.6
11/19 20:00	77.1	↑0.5
11/19 20:10	77.6	↑0.5
11/19 20:20	78.1	↑0.5
11/19 20:30	78.5	↑0.4
11/19 20:40	78.8	↑0.3
11/19 20:50	79.0	↑0.2
11/19 21:00	79.2	↑0.2
11/19 21:10	79.3	↑0.1	満潮
11/19 21:20	79.3	0
11/19 21:30	79.3	0
11/19 21:40	79.1	↓-0.2
11/19 21:50	78.9	↓-0.2
11/19 22:00	78.6	↓-0.3
11/19 22:10	78.3	↓-0.3
11/19 22:20	77.8	↓-0.5
11/19 22:30	77.3	↓-0.5
11/19 22:40	76.8	↓-0.5
11/19 22:50	76.1	↓-0.7
11/19 23:00	75.4	↓-0.7
11/19 23:10	74.6	↓-0.8
11/19 23:20	73.8	↓-0.8
11/19 23:30	72.9	↓-0.9
11/19 23:40	72.0	↓-0.9
11/19 23:50	71.0	↓-1.0