19 (日)	09:10	02:29	19:51	13:25
	74cm	43cm	90cm	66cm
小潮 出 06:52 入 15:46 出 23:22 入 11:42

コイセボイ（北海道）2038年12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
12/19 00:00	55.1	↓-1.7	最大潮位差
12/19 00:10	53.5	↓-1.6
12/19 00:20	51.9	↓-1.6
12/19 00:30	50.5	↓-1.4
12/19 00:40	49.1	↓-1.4
12/19 00:50	47.9	↓-1.2
12/19 01:00	46.8	↓-1.1
12/19 01:10	45.8	↓-1.0
12/19 01:20	44.9	↓-0.9
12/19 01:30	44.1	↓-0.8
12/19 01:40	43.4	↓-0.7
12/19 01:50	42.9	↓-0.5
12/19 02:00	42.5	↓-0.4
12/19 02:10	42.2	↓-0.3
12/19 02:20	42.1	↓-0.1	干潮
12/19 02:30	42.0	↓-0.1
12/19 02:40	42.1	↑0.1
12/19 02:50	42.3	↑0.2
12/19 03:00	42.6	↑0.3
12/19 03:10	43.1	↑0.5
12/19 03:20	43.6	↑0.5
12/19 03:30	44.2	↑0.6
12/19 03:40	44.9	↑0.7
12/19 03:50	45.7	↑0.8
12/19 04:00	46.6	↑0.9
12/19 04:10	47.6	↑1.0
12/19 04:20	48.6	↑1.0
12/19 04:30	49.6	↑1.0
12/19 04:40	50.8	↑1.2
12/19 04:50	51.9	↑1.1
12/19 05:00	53.1	↑1.2
12/19 05:10	54.3	↑1.2
12/19 05:20	55.5	↑1.2
12/19 05:30	56.8	↑1.3
12/19 05:40	58.0	↑1.2
12/19 05:50	59.2	↑1.2
12/19 06:00	60.4	↑1.2
12/19 06:10	61.6	↑1.2
12/19 06:20	62.8	↑1.2
12/19 06:30	63.9	↑1.1
12/19 06:40	65.0	↑1.1
12/19 06:50	66.0	↑1.0
12/19 07:00	66.9	↑0.9
12/19 07:10	67.8	↑0.9
12/19 07:20	68.7	↑0.9
12/19 07:30	69.5	↑0.8
12/19 07:40	70.2	↑0.7
12/19 07:50	70.8	↑0.6
12/19 08:00	71.3	↑0.5
12/19 08:10	71.8	↑0.5
12/19 08:20	72.2	↑0.4
12/19 08:30	72.5	↑0.3
12/19 08:40	72.8	↑0.3
12/19 08:50	72.9	↑0.1
12/19 09:00	73.0	↑0.1	満潮
12/19 09:10	73.1	↑0.1	満潮
12/19 09:20	73.0	↓-0.1
12/19 09:30	72.9	↓-0.1
12/19 09:40	72.8	↓-0.1
12/19 09:50	72.5	↓-0.3
12/19 10:00	72.3	↓-0.2
12/19 10:10	71.9	↓-0.4
12/19 10:20	71.6	↓-0.3
12/19 10:30	71.2	↓-0.4
12/19 10:40	70.8	↓-0.4
12/19 10:50	70.3	↓-0.5
12/19 11:00	69.9	↓-0.4
12/19 11:10	69.4	↓-0.5
12/19 11:20	68.9	↓-0.5
12/19 11:30	68.5	↓-0.4
12/19 11:40	68.0	↓-0.5
12/19 11:50	67.6	↓-0.4
12/19 12:00	67.1	↓-0.5
12/19 12:10	66.8	↓-0.3
12/19 12:20	66.4	↓-0.4
12/19 12:30	66.1	↓-0.3
12/19 12:40	65.8	↓-0.3
12/19 12:50	65.6	↓-0.2
12/19 13:00	65.4	↓-0.2
12/19 13:10	65.3	↓-0.1
12/19 13:20	65.2	↓-0.1	干潮
12/19 13:30	65.3	↑0.1
12/19 13:40	65.3	0
12/19 13:50	65.5	↑0.2
12/19 14:00	65.7	↑0.2
12/19 14:10	66.0	↑0.3
12/19 14:20	66.3	↑0.3
12/19 14:30	66.7	↑0.4
12/19 14:40	67.2	↑0.5
12/19 14:50	67.7	↑0.5
12/19 15:00	68.3	↑0.6
12/19 15:10	69.0	↑0.7
12/19 15:20	69.7	↑0.7
12/19 15:30	70.5	↑0.8
12/19 15:40	71.3	↑0.8
12/19 15:50	72.2	↑0.9
12/19 16:00	73.1	↑0.9
12/19 16:10	74.1	↑1.0
12/19 16:20	75.0	↑0.9
12/19 16:30	76.0	↑1.0
12/19 16:40	77.0	↑1.0
12/19 16:50	78.0	↑1.0
12/19 17:00	79.0	↑1.0
12/19 17:10	80.0	↑1.0
12/19 17:20	81.0	↑1.0
12/19 17:30	82.0	↑1.0
12/19 17:40	82.9	↑0.9
12/19 17:50	83.8	↑0.9
12/19 18:00	84.7	↑0.9
12/19 18:10	85.5	↑0.8
12/19 18:20	86.2	↑0.7
12/19 18:30	86.9	↑0.7
12/19 18:40	87.6	↑0.7
12/19 18:50	88.1	↑0.5
12/19 19:00	88.6	↑0.5
12/19 19:10	89.0	↑0.4
12/19 19:20	89.4	↑0.4
12/19 19:30	89.6	↑0.2
12/19 19:40	89.7	↑0.1
12/19 19:50	89.8	↑0.1	満潮
12/19 20:00	89.7	↓-0.1
12/19 20:10	89.6	↓-0.1
12/19 20:20	89.3	↓-0.3
12/19 20:30	89.0	↓-0.3
12/19 20:40	88.6	↓-0.4
12/19 20:50	88.0	↓-0.6
12/19 21:00	87.4	↓-0.6
12/19 21:10	86.7	↓-0.7
12/19 21:20	85.9	↓-0.8
12/19 21:30	85.0	↓-0.9
12/19 21:40	84.0	↓-1.0
12/19 21:50	82.9	↓-1.1
12/19 22:00	81.8	↓-1.1
12/19 22:10	80.6	↓-1.2
12/19 22:20	79.4	↓-1.2
12/19 22:30	78.1	↓-1.3
12/19 22:40	76.7	↓-1.4
12/19 22:50	75.3	↓-1.4
12/19 23:00	73.9	↓-1.4
12/19 23:10	72.5	↓-1.4
12/19 23:20	71.0	↓-1.5
12/19 23:30	69.5	↓-1.5
12/19 23:40	68.1	↓-1.4
12/19 23:50	66.6	↓-1.5