18 (月)	09:07	02:28	19:43	12:54
	68cm	40cm	89cm	62cm
小潮 出 06:20 入 15:54 出 23:03 入 11:41

コイセボイ（北海道）2030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	51.8	↓-1.6	最大潮位差
11/18 00:10	50.2	↓-1.6	最大潮位差
11/18 00:20	48.7	↓-1.5
11/18 00:30	47.3	↓-1.4
11/18 00:40	46.0	↓-1.3
11/18 00:50	44.8	↓-1.2
11/18 01:00	43.7	↓-1.1
11/18 01:10	42.7	↓-1.0
11/18 01:20	41.9	↓-0.8
11/18 01:30	41.1	↓-0.8
11/18 01:40	40.5	↓-0.6
11/18 01:50	40.0	↓-0.5
11/18 02:00	39.6	↓-0.4
11/18 02:10	39.4	↓-0.2
11/18 02:20	39.2	↓-0.2	干潮
11/18 02:30	39.2	0
11/18 02:40	39.3	↑0.1
11/18 02:50	39.5	↑0.2
11/18 03:00	39.8	↑0.3
11/18 03:10	40.2	↑0.4
11/18 03:20	40.7	↑0.5
11/18 03:30	41.3	↑0.6
11/18 03:40	42.0	↑0.7
11/18 03:50	42.7	↑0.7
11/18 04:00	43.5	↑0.8
11/18 04:10	44.4	↑0.9
11/18 04:20	45.4	↑1.0
11/18 04:30	46.4	↑1.0
11/18 04:40	47.4	↑1.0
11/18 04:50	48.5	↑1.1
11/18 05:00	49.6	↑1.1
11/18 05:10	50.7	↑1.1
11/18 05:20	51.8	↑1.1
11/18 05:30	52.9	↑1.1
11/18 05:40	54.0	↑1.1
11/18 05:50	55.1	↑1.1
11/18 06:00	56.2	↑1.1
11/18 06:10	57.3	↑1.1
11/18 06:20	58.3	↑1.0
11/18 06:30	59.3	↑1.0
11/18 06:40	60.3	↑1.0
11/18 06:50	61.2	↑0.9
11/18 07:00	62.0	↑0.8
11/18 07:10	62.8	↑0.8
11/18 07:20	63.5	↑0.7
11/18 07:30	64.2	↑0.7
11/18 07:40	64.8	↑0.6
11/18 07:50	65.3	↑0.5
11/18 08:00	65.8	↑0.5
11/18 08:10	66.2	↑0.4
11/18 08:20	66.5	↑0.3
11/18 08:30	66.8	↑0.3
11/18 08:40	67.0	↑0.2
11/18 08:50	67.1	↑0.1
11/18 09:00	67.2	↑0.1	満潮
11/18 09:10	67.2	0
11/18 09:20	67.1	↓-0.1
11/18 09:30	67.0	↓-0.1
11/18 09:40	66.9	↓-0.1
11/18 09:50	66.7	↓-0.2
11/18 10:00	66.5	↓-0.2
11/18 10:10	66.2	↓-0.3
11/18 10:20	65.9	↓-0.3
11/18 10:30	65.6	↓-0.3
11/18 10:40	65.2	↓-0.4
11/18 10:50	64.9	↓-0.3
11/18 11:00	64.5	↓-0.4
11/18 11:10	64.2	↓-0.3
11/18 11:20	63.8	↓-0.4
11/18 11:30	63.5	↓-0.3
11/18 11:40	63.2	↓-0.3
11/18 11:50	62.9	↓-0.3
11/18 12:00	62.6	↓-0.3
11/18 12:10	62.4	↓-0.2
11/18 12:20	62.2	↓-0.2
11/18 12:30	62.1	↓-0.1
11/18 12:40	62.0	↓-0.1
11/18 12:50	62.0	0	干潮
11/18 13:00	62.0	0
11/18 13:10	62.0	0
11/18 13:20	62.2	↑0.2
11/18 13:30	62.4	↑0.2
11/18 13:40	62.6	↑0.2
11/18 13:50	63.0	↑0.4
11/18 14:00	63.3	↑0.3
11/18 14:10	63.8	↑0.5
11/18 14:20	64.3	↑0.5
11/18 14:30	64.9	↑0.6
11/18 14:40	65.5	↑0.6
11/18 14:50	66.2	↑0.7
11/18 15:00	67.0	↑0.8
11/18 15:10	67.8	↑0.8
11/18 15:20	68.7	↑0.9
11/18 15:30	69.6	↑0.9
11/18 15:40	70.5	↑0.9
11/18 15:50	71.5	↑1.0
11/18 16:00	72.5	↑1.0
11/18 16:10	73.5	↑1.0
11/18 16:20	74.5	↑1.0
11/18 16:30	75.6	↑1.1
11/18 16:40	76.7	↑1.1
11/18 16:50	77.7	↑1.0
11/18 17:00	78.7	↑1.0
11/18 17:10	79.8	↑1.1
11/18 17:20	80.8	↑1.0
11/18 17:30	81.7	↑0.9
11/18 17:40	82.7	↑1.0
11/18 17:50	83.6	↑0.9
11/18 18:00	84.4	↑0.8
11/18 18:10	85.2	↑0.8
11/18 18:20	85.9	↑0.7
11/18 18:30	86.6	↑0.7
11/18 18:40	87.2	↑0.6
11/18 18:50	87.7	↑0.5
11/18 19:00	88.1	↑0.4
11/18 19:10	88.4	↑0.3
11/18 19:20	88.7	↑0.3
11/18 19:30	88.9	↑0.2
11/18 19:40	88.9	0	満潮
11/18 19:50	88.9	0
11/18 20:00	88.8	↓-0.1
11/18 20:10	88.5	↓-0.3
11/18 20:20	88.2	↓-0.3
11/18 20:30	87.8	↓-0.4
11/18 20:40	87.3	↓-0.5
11/18 20:50	86.6	↓-0.7
11/18 21:00	85.9	↓-0.7
11/18 21:10	85.1	↓-0.8
11/18 21:20	84.2	↓-0.9
11/18 21:30	83.3	↓-0.9
11/18 21:40	82.2	↓-1.1
11/18 21:50	81.1	↓-1.1
11/18 22:00	79.9	↓-1.2
11/18 22:10	78.6	↓-1.3
11/18 22:20	77.3	↓-1.3
11/18 22:30	76.0	↓-1.3
11/18 22:40	74.6	↓-1.4
11/18 22:50	73.1	↓-1.5
11/18 23:00	71.7	↓-1.4
11/18 23:10	70.2	↓-1.5
11/18 23:20	68.7	↓-1.5
11/18 23:30	67.1	↓-1.6	最大潮位差
11/18 23:40	65.6	↓-1.5
11/18 23:50	64.1	↓-1.5