18 (水)	10:37	03:40	20:56	13:58
	67cm	42cm	87cm	64cm
長潮 出 06:20 入 15:54 出 12:32 入 23:42

コイセボイ（北海道）2026年11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
11/18 00:00	63.6	↓-1.7
11/18 00:10	61.8	↓-1.8	最大潮位差
11/18 00:20	60.2	↓-1.6
11/18 00:30	58.5	↓-1.7
11/18 00:40	57.0	↓-1.5
11/18 00:50	55.4	↓-1.6
11/18 01:00	54.0	↓-1.4
11/18 01:10	52.5	↓-1.5
11/18 01:20	51.2	↓-1.3
11/18 01:30	49.9	↓-1.3
11/18 01:40	48.8	↓-1.1
11/18 01:50	47.7	↓-1.1
11/18 02:00	46.7	↓-1.0
11/18 02:10	45.8	↓-0.9
11/18 02:20	44.9	↓-0.9
11/18 02:30	44.2	↓-0.7
11/18 02:40	43.6	↓-0.6
11/18 02:50	43.1	↓-0.5
11/18 03:00	42.6	↓-0.5
11/18 03:10	42.3	↓-0.3
11/18 03:20	42.1	↓-0.2
11/18 03:30	42.0	↓-0.1	干潮
11/18 03:40	41.9	↓-0.1	干潮
11/18 03:50	42.0	↑0.1
11/18 04:00	42.1	↑0.1
11/18 04:10	42.4	↑0.3
11/18 04:20	42.7	↑0.3
11/18 04:30	43.1	↑0.4
11/18 04:40	43.5	↑0.4
11/18 04:50	44.1	↑0.6
11/18 05:00	44.7	↑0.6
11/18 05:10	45.4	↑0.7
11/18 05:20	46.1	↑0.7
11/18 05:30	46.9	↑0.8
11/18 05:40	47.7	↑0.8
11/18 05:50	48.5	↑0.8
11/18 06:00	49.4	↑0.9
11/18 06:10	50.3	↑0.9
11/18 06:20	51.2	↑0.9
11/18 06:30	52.2	↑1.0
11/18 06:40	53.1	↑0.9
11/18 06:50	54.0	↑0.9
11/18 07:00	55.0	↑1.0
11/18 07:10	55.9	↑0.9
11/18 07:20	56.8	↑0.9
11/18 07:30	57.7	↑0.9
11/18 07:40	58.5	↑0.8
11/18 07:50	59.4	↑0.9
11/18 08:00	60.2	↑0.8
11/18 08:10	60.9	↑0.7
11/18 08:20	61.6	↑0.7
11/18 08:30	62.3	↑0.7
11/18 08:40	62.9	↑0.6
11/18 08:50	63.5	↑0.6
11/18 09:00	64.0	↑0.5
11/18 09:10	64.4	↑0.4
11/18 09:20	64.8	↑0.4
11/18 09:30	65.2	↑0.4
11/18 09:40	65.5	↑0.3
11/18 09:50	65.7	↑0.2
11/18 10:00	65.9	↑0.2
11/18 10:10	66.1	↑0.2
11/18 10:20	66.2	↑0.1
11/18 10:30	66.2	0	満潮
11/18 10:40	66.2	0
11/18 10:50	66.2	0
11/18 11:00	66.1	↓-0.1
11/18 11:10	66.0	↓-0.1
11/18 11:20	65.9	↓-0.1
11/18 11:30	65.7	↓-0.2
11/18 11:40	65.5	↓-0.2
11/18 11:50	65.3	↓-0.2
11/18 12:00	65.1	↓-0.2
11/18 12:10	64.9	↓-0.2
11/18 12:20	64.7	↓-0.2
11/18 12:30	64.4	↓-0.3
11/18 12:40	64.2	↓-0.2
11/18 12:50	64.0	↓-0.2
11/18 13:00	63.8	↓-0.2
11/18 13:10	63.7	↓-0.1
11/18 13:20	63.5	↓-0.2
11/18 13:30	63.4	↓-0.1
11/18 13:40	63.3	↓-0.1
11/18 13:50	63.3	0	干潮
11/18 14:00	63.3	0
11/18 14:10	63.3	0
11/18 14:20	63.4	↑0.1
11/18 14:30	63.5	↑0.1
11/18 14:40	63.7	↑0.2
11/18 14:50	63.9	↑0.2
11/18 15:00	64.2	↑0.3
11/18 15:10	64.5	↑0.3
11/18 15:20	64.9	↑0.4
11/18 15:30	65.3	↑0.4
11/18 15:40	65.8	↑0.5
11/18 15:50	66.3	↑0.5
11/18 16:00	66.9	↑0.6
11/18 16:10	67.5	↑0.6
11/18 16:20	68.2	↑0.7
11/18 16:30	68.9	↑0.7
11/18 16:40	69.6	↑0.7
11/18 16:50	70.4	↑0.8
11/18 17:00	71.2	↑0.8
11/18 17:10	72.0	↑0.8
11/18 17:20	72.9	↑0.9
11/18 17:30	73.7	↑0.8
11/18 17:40	74.6	↑0.9
11/18 17:50	75.5	↑0.9
11/18 18:00	76.4	↑0.9
11/18 18:10	77.2	↑0.8
11/18 18:20	78.1	↑0.9
11/18 18:30	78.9	↑0.8
11/18 18:40	79.8	↑0.9
11/18 18:50	80.5	↑0.7
11/18 19:00	81.3	↑0.8
11/18 19:10	82.0	↑0.7
11/18 19:20	82.7	↑0.7
11/18 19:30	83.3	↑0.6
11/18 19:40	83.9	↑0.6
11/18 19:50	84.4	↑0.5
11/18 20:00	84.9	↑0.5
11/18 20:10	85.2	↑0.3
11/18 20:20	85.6	↑0.4
11/18 20:30	85.8	↑0.2
11/18 20:40	86.0	↑0.2
11/18 20:50	86.0	0	満潮
11/18 21:00	86.0	0
11/18 21:10	86.0	0
11/18 21:20	85.8	↓-0.2
11/18 21:30	85.5	↓-0.3
11/18 21:40	85.2	↓-0.3
11/18 21:50	84.8	↓-0.4
11/18 22:00	84.3	↓-0.5
11/18 22:10	83.7	↓-0.6
11/18 22:20	83.0	↓-0.7
11/18 22:30	82.3	↓-0.7
11/18 22:40	81.5	↓-0.8
11/18 22:50	80.6	↓-0.9
11/18 23:00	79.7	↓-0.9
11/18 23:10	78.7	↓-1.0
11/18 23:20	77.6	↓-1.1
11/18 23:30	76.5	↓-1.1
11/18 23:40	75.3	↓-1.2
11/18 23:50	74.1	↓-1.2