18 (水)	08:36	01:54	20:38	15:07
	87cm	51cm	75cm	58cm
小潮 出 06:51 入 15:45 出 - 入 11:01

コイセボイ（北海道）2030年12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
12/18 00:00	57.2	↓-1.1
12/18 00:10	56.1	↓-1.1
12/18 00:20	55.1	↓-1.0
12/18 00:30	54.2	↓-0.9
12/18 00:40	53.3	↓-0.9
12/18 00:50	52.6	↓-0.7
12/18 01:00	51.9	↓-0.7
12/18 01:10	51.4	↓-0.5
12/18 01:20	51.0	↓-0.4
12/18 01:30	50.7	↓-0.3
12/18 01:40	50.4	↓-0.3
12/18 01:50	50.4	0	干潮
12/18 02:00	50.4	0
12/18 02:10	50.5	↑0.1
12/18 02:20	50.8	↑0.3
12/18 02:30	51.1	↑0.3
12/18 02:40	51.6	↑0.5
12/18 02:50	52.2	↑0.6
12/18 03:00	52.8	↑0.6
12/18 03:10	53.6	↑0.8
12/18 03:20	54.5	↑0.9
12/18 03:30	55.4	↑0.9
12/18 03:40	56.5	↑1.1
12/18 03:50	57.6	↑1.1
12/18 04:00	58.8	↑1.2
12/18 04:10	60.0	↑1.2
12/18 04:20	61.3	↑1.3
12/18 04:30	62.7	↑1.4
12/18 04:40	64.1	↑1.4
12/18 04:50	65.5	↑1.4
12/18 05:00	66.9	↑1.4
12/18 05:10	68.3	↑1.4
12/18 05:20	69.8	↑1.5	最大潮位差
12/18 05:30	71.2	↑1.4
12/18 05:40	72.6	↑1.4
12/18 05:50	74.0	↑1.4
12/18 06:00	75.4	↑1.4
12/18 06:10	76.7	↑1.3
12/18 06:20	77.9	↑1.2
12/18 06:30	79.1	↑1.2
12/18 06:40	80.3	↑1.2
12/18 06:50	81.3	↑1.0
12/18 07:00	82.3	↑1.0
12/18 07:10	83.2	↑0.9
12/18 07:20	84.0	↑0.8
12/18 07:30	84.8	↑0.8
12/18 07:40	85.4	↑0.6
12/18 07:50	85.9	↑0.5
12/18 08:00	86.3	↑0.4
12/18 08:10	86.6	↑0.3
12/18 08:20	86.9	↑0.3
12/18 08:30	87.0	↑0.1	満潮
12/18 08:40	87.0	0
12/18 08:50	86.9	↓-0.1
12/18 09:00	86.6	↓-0.3
12/18 09:10	86.3	↓-0.3
12/18 09:20	85.9	↓-0.4
12/18 09:30	85.4	↓-0.5
12/18 09:40	84.8	↓-0.6
12/18 09:50	84.2	↓-0.6
12/18 10:00	83.4	↓-0.8
12/18 10:10	82.6	↓-0.8
12/18 10:20	81.7	↓-0.9
12/18 10:30	80.7	↓-1.0
12/18 10:40	79.7	↓-1.0
12/18 10:50	78.6	↓-1.1
12/18 11:00	77.5	↓-1.1
12/18 11:10	76.4	↓-1.1
12/18 11:20	75.2	↓-1.2
12/18 11:30	74.0	↓-1.2
12/18 11:40	72.8	↓-1.2
12/18 11:50	71.6	↓-1.2
12/18 12:00	70.4	↓-1.2
12/18 12:10	69.3	↓-1.1
12/18 12:20	68.1	↓-1.2
12/18 12:30	67.0	↓-1.1
12/18 12:40	65.9	↓-1.1
12/18 12:50	64.9	↓-1.0
12/18 13:00	63.9	↓-1.0
12/18 13:10	62.9	↓-1.0
12/18 13:20	62.1	↓-0.8
12/18 13:30	61.3	↓-0.8
12/18 13:40	60.5	↓-0.8
12/18 13:50	59.8	↓-0.7
12/18 14:00	59.3	↓-0.5
12/18 14:10	58.7	↓-0.6
12/18 14:20	58.3	↓-0.4
12/18 14:30	58.0	↓-0.3
12/18 14:40	57.7	↓-0.3
12/18 14:50	57.5	↓-0.2
12/18 15:00	57.4	↓-0.1	干潮
12/18 15:10	57.4	0
12/18 15:20	57.5	↑0.1
12/18 15:30	57.7	↑0.2
12/18 15:40	57.9	↑0.2
12/18 15:50	58.2	↑0.3
12/18 16:00	58.6	↑0.4
12/18 16:10	59.0	↑0.4
12/18 16:20	59.5	↑0.5
12/18 16:30	60.1	↑0.6
12/18 16:40	60.7	↑0.6
12/18 16:50	61.3	↑0.6
12/18 17:00	62.0	↑0.7
12/18 17:10	62.8	↑0.8
12/18 17:20	63.5	↑0.7
12/18 17:30	64.3	↑0.8
12/18 17:40	65.0	↑0.7
12/18 17:50	65.8	↑0.8
12/18 18:00	66.6	↑0.8
12/18 18:10	67.4	↑0.8
12/18 18:20	68.2	↑0.8
12/18 18:30	68.9	↑0.7
12/18 18:40	69.6	↑0.7
12/18 18:50	70.3	↑0.7
12/18 19:00	70.9	↑0.6
12/18 19:10	71.5	↑0.6
12/18 19:20	72.0	↑0.5
12/18 19:30	72.5	↑0.5
12/18 19:40	73.0	↑0.5
12/18 19:50	73.3	↑0.3
12/18 20:00	73.6	↑0.3
12/18 20:10	73.9	↑0.3
12/18 20:20	74.0	↑0.1
12/18 20:30	74.1	↑0.1	満潮
12/18 20:40	74.1	0
12/18 20:50	74.1	0
12/18 21:00	73.9	↓-0.2
12/18 21:10	73.7	↓-0.2
12/18 21:20	73.5	↓-0.2
12/18 21:30	73.1	↓-0.4
12/18 21:40	72.7	↓-0.4
12/18 21:50	72.3	↓-0.4
12/18 22:00	71.7	↓-0.6
12/18 22:10	71.1	↓-0.6
12/18 22:20	70.5	↓-0.6
12/18 22:30	69.8	↓-0.7
12/18 22:40	69.1	↓-0.7
12/18 22:50	68.3	↓-0.8
12/18 23:00	67.6	↓-0.7
12/18 23:10	66.8	↓-0.8
12/18 23:20	65.9	↓-0.9
12/18 23:30	65.1	↓-0.8
12/18 23:40	64.3	↓-0.8
12/18 23:50	63.4	↓-0.9