18 (土)	08:52	02:03	21:09	15:43
	89cm	52cm	72cm	57cm
小潮 出 06:51 入 15:45 出 - 入 11:17

コイセボイ（北海道）2049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	59.1	↓-1.1
12/18 00:10	58.0	↓-1.1
12/18 00:20	57.1	↓-0.9
12/18 00:30	56.2	↓-0.9
12/18 00:40	55.3	↓-0.9
12/18 00:50	54.6	↓-0.7
12/18 01:00	53.9	↓-0.7
12/18 01:10	53.3	↓-0.6
12/18 01:20	52.9	↓-0.4
12/18 01:30	52.5	↓-0.4
12/18 01:40	52.2	↓-0.3
12/18 01:50	52.0	↓-0.2
12/18 02:00	51.9	↓-0.1	干潮
12/18 02:10	52.0	↑0.1
12/18 02:20	52.1	↑0.1
12/18 02:30	52.4	↑0.3
12/18 02:40	52.7	↑0.3
12/18 02:50	53.2	↑0.5
12/18 03:00	53.7	↑0.5
12/18 03:10	54.4	↑0.7
12/18 03:20	55.1	↑0.7
12/18 03:30	56.0	↑0.9
12/18 03:40	56.9	↑0.9
12/18 03:50	57.9	↑1.0
12/18 04:00	59.0	↑1.1
12/18 04:10	60.2	↑1.2
12/18 04:20	61.4	↑1.2
12/18 04:30	62.7	↑1.3
12/18 04:40	64.0	↑1.3
12/18 04:50	65.3	↑1.3
12/18 05:00	66.7	↑1.4
12/18 05:10	68.1	↑1.4
12/18 05:20	69.6	↑1.5	最大潮位差
12/18 05:30	71.0	↑1.4
12/18 05:40	72.4	↑1.4
12/18 05:50	73.8	↑1.4
12/18 06:00	75.2	↑1.4
12/18 06:10	76.6	↑1.4
12/18 06:20	77.9	↑1.3
12/18 06:30	79.2	↑1.3
12/18 06:40	80.4	↑1.2
12/18 06:50	81.6	↑1.2
12/18 07:00	82.7	↑1.1
12/18 07:10	83.7	↑1.0
12/18 07:20	84.7	↑1.0
12/18 07:30	85.6	↑0.9
12/18 07:40	86.3	↑0.7
12/18 07:50	87.0	↑0.7
12/18 08:00	87.6	↑0.6
12/18 08:10	88.1	↑0.5
12/18 08:20	88.5	↑0.4
12/18 08:30	88.7	↑0.2
12/18 08:40	88.9	↑0.2
12/18 08:50	89.0	↑0.1	満潮
12/18 09:00	89.0	0
12/18 09:10	88.8	↓-0.2
12/18 09:20	88.6	↓-0.2
12/18 09:30	88.2	↓-0.4
12/18 09:40	87.8	↓-0.4
12/18 09:50	87.2	↓-0.6
12/18 10:00	86.6	↓-0.6
12/18 10:10	85.9	↓-0.7
12/18 10:20	85.1	↓-0.8
12/18 10:30	84.2	↓-0.9
12/18 10:40	83.2	↓-1.0
12/18 10:50	82.2	↓-1.0
12/18 11:00	81.2	↓-1.0
12/18 11:10	80.0	↓-1.2
12/18 11:20	78.9	↓-1.1
12/18 11:30	77.7	↓-1.2
12/18 11:40	76.5	↓-1.2
12/18 11:50	75.2	↓-1.3
12/18 12:00	74.0	↓-1.2
12/18 12:10	72.7	↓-1.3
12/18 12:20	71.4	↓-1.3
12/18 12:30	70.2	↓-1.2
12/18 12:40	68.9	↓-1.3
12/18 12:50	67.7	↓-1.2
12/18 13:00	66.6	↓-1.1
12/18 13:10	65.4	↓-1.2
12/18 13:20	64.3	↓-1.1
12/18 13:30	63.3	↓-1.0
12/18 13:40	62.3	↓-1.0
12/18 13:50	61.4	↓-0.9
12/18 14:00	60.6	↓-0.8
12/18 14:10	59.8	↓-0.8
12/18 14:20	59.1	↓-0.7
12/18 14:30	58.4	↓-0.7
12/18 14:40	57.9	↓-0.5
12/18 14:50	57.4	↓-0.5
12/18 15:00	57.0	↓-0.4
12/18 15:10	56.7	↓-0.3
12/18 15:20	56.5	↓-0.2
12/18 15:30	56.3	↓-0.2
12/18 15:40	56.3	0	干潮
12/18 15:50	56.3	0
12/18 16:00	56.4	↑0.1
12/18 16:10	56.6	↑0.2
12/18 16:20	56.8	↑0.2
12/18 16:30	57.1	↑0.3
12/18 16:40	57.5	↑0.4
12/18 16:50	58.0	↑0.5
12/18 17:00	58.5	↑0.5
12/18 17:10	59.0	↑0.5
12/18 17:20	59.6	↑0.6
12/18 17:30	60.2	↑0.6
12/18 17:40	60.8	↑0.6
12/18 17:50	61.5	↑0.7
12/18 18:00	62.2	↑0.7
12/18 18:10	62.9	↑0.7
12/18 18:20	63.6	↑0.7
12/18 18:30	64.4	↑0.8
12/18 18:40	65.1	↑0.7
12/18 18:50	65.8	↑0.7
12/18 19:00	66.4	↑0.6
12/18 19:10	67.1	↑0.7
12/18 19:20	67.7	↑0.6
12/18 19:30	68.3	↑0.6
12/18 19:40	68.8	↑0.5
12/18 19:50	69.3	↑0.5
12/18 20:00	69.8	↑0.5
12/18 20:10	70.2	↑0.4
12/18 20:20	70.5	↑0.3
12/18 20:30	70.8	↑0.3
12/18 20:40	71.0	↑0.2
12/18 20:50	71.1	↑0.1
12/18 21:00	71.2	↑0.1	満潮
12/18 21:10	71.2	0
12/18 21:20	71.2	0
12/18 21:30	71.1	↓-0.1
12/18 21:40	70.9	↓-0.2
12/18 21:50	70.7	↓-0.2
12/18 22:00	70.4	↓-0.3
12/18 22:10	70.0	↓-0.4
12/18 22:20	69.6	↓-0.4
12/18 22:30	69.2	↓-0.4
12/18 22:40	68.7	↓-0.5
12/18 22:50	68.1	↓-0.6
12/18 23:00	67.6	↓-0.5
12/18 23:10	66.9	↓-0.7
12/18 23:20	66.3	↓-0.6
12/18 23:30	65.6	↓-0.7
12/18 23:40	64.9	↓-0.7
12/18 23:50	64.3	↓-0.6