12 (金)	08:28	02:02	19:15	12:29
	70cm	40cm	94cm	63cm
小潮 出 06:47 入 15:44 出 23:57 入 11:37

コイセボイ（北海道）2025年12月12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
12/12 00:00	49.4	↓-1.6
12/12 00:10	47.9	↓-1.5
12/12 00:20	46.5	↓-1.4
12/12 00:30	45.2	↓-1.3
12/12 00:40	44.1	↓-1.1
12/12 00:50	43.0	↓-1.1
12/12 01:00	42.2	↓-0.8
12/12 01:10	41.4	↓-0.8
12/12 01:20	40.8	↓-0.6
12/12 01:30	40.3	↓-0.5
12/12 01:40	40.0	↓-0.3
12/12 01:50	39.8	↓-0.2
12/12 02:00	39.7	↓-0.1	干潮
12/12 02:10	39.7	0
12/12 02:20	39.9	↑0.2
12/12 02:30	40.2	↑0.3
12/12 02:40	40.6	↑0.4
12/12 02:50	41.1	↑0.5
12/12 03:00	41.7	↑0.6
12/12 03:10	42.4	↑0.7
12/12 03:20	43.2	↑0.8
12/12 03:30	44.1	↑0.9
12/12 03:40	45.1	↑1.0
12/12 03:50	46.1	↑1.0
12/12 04:00	47.2	↑1.1
12/12 04:10	48.3	↑1.1
12/12 04:20	49.5	↑1.2
12/12 04:30	50.7	↑1.2
12/12 04:40	51.9	↑1.2
12/12 04:50	53.1	↑1.2
12/12 05:00	54.4	↑1.3
12/12 05:10	55.6	↑1.2
12/12 05:20	56.8	↑1.2
12/12 05:30	58.0	↑1.2
12/12 05:40	59.2	↑1.2
12/12 05:50	60.3	↑1.1
12/12 06:00	61.4	↑1.1
12/12 06:10	62.4	↑1.0
12/12 06:20	63.4	↑1.0
12/12 06:30	64.3	↑0.9
12/12 06:40	65.2	↑0.9
12/12 06:50	66.0	↑0.8
12/12 07:00	66.7	↑0.7
12/12 07:10	67.3	↑0.6
12/12 07:20	67.9	↑0.6
12/12 07:30	68.4	↑0.5
12/12 07:40	68.8	↑0.4
12/12 07:50	69.1	↑0.3
12/12 08:00	69.3	↑0.2
12/12 08:10	69.5	↑0.2
12/12 08:20	69.6	↑0.1	満潮
12/12 08:30	69.6	0
12/12 08:40	69.5	↓-0.1
12/12 08:50	69.4	↓-0.1
12/12 09:00	69.2	↓-0.2
12/12 09:10	69.0	↓-0.2
12/12 09:20	68.7	↓-0.3
12/12 09:30	68.3	↓-0.4
12/12 09:40	67.9	↓-0.4
12/12 09:50	67.5	↓-0.4
12/12 10:00	67.1	↓-0.4
12/12 10:10	66.6	↓-0.5
12/12 10:20	66.2	↓-0.4
12/12 10:30	65.7	↓-0.5
12/12 10:40	65.2	↓-0.5
12/12 10:50	64.8	↓-0.4
12/12 11:00	64.3	↓-0.5
12/12 11:10	63.9	↓-0.4
12/12 11:20	63.5	↓-0.4
12/12 11:30	63.2	↓-0.3
12/12 11:40	62.8	↓-0.4
12/12 11:50	62.6	↓-0.2
12/12 12:00	62.4	↓-0.2
12/12 12:10	62.2	↓-0.2
12/12 12:20	62.1	↓-0.1	干潮
12/12 12:30	62.1	0
12/12 12:40	62.2	↑0.1
12/12 12:50	62.3	↑0.1
12/12 13:00	62.5	↑0.2
12/12 13:10	62.8	↑0.3
12/12 13:20	63.1	↑0.3
12/12 13:30	63.5	↑0.4
12/12 13:40	64.1	↑0.6
12/12 13:50	64.6	↑0.5
12/12 14:00	65.3	↑0.7
12/12 14:10	66.1	↑0.8
12/12 14:20	66.9	↑0.8
12/12 14:30	67.7	↑0.8
12/12 14:40	68.7	↑1.0
12/12 14:50	69.7	↑1.0
12/12 15:00	70.7	↑1.0
12/12 15:10	71.8	↑1.1
12/12 15:20	73.0	↑1.2
12/12 15:30	74.2	↑1.2
12/12 15:40	75.4	↑1.2
12/12 15:50	76.6	↑1.2
12/12 16:00	77.8	↑1.2
12/12 16:10	79.1	↑1.3
12/12 16:20	80.3	↑1.2
12/12 16:30	81.6	↑1.3
12/12 16:40	82.8	↑1.2
12/12 16:50	84.0	↑1.2
12/12 17:00	85.1	↑1.1
12/12 17:10	86.2	↑1.1
12/12 17:20	87.3	↑1.1
12/12 17:30	88.3	↑1.0
12/12 17:40	89.3	↑1.0
12/12 17:50	90.1	↑0.8
12/12 18:00	90.9	↑0.8
12/12 18:10	91.6	↑0.7
12/12 18:20	92.2	↑0.6
12/12 18:30	92.7	↑0.5
12/12 18:40	93.2	↑0.5
12/12 18:50	93.5	↑0.3
12/12 19:00	93.7	↑0.2
12/12 19:10	93.8	↑0.1	満潮
12/12 19:20	93.8	0
12/12 19:30	93.7	↓-0.1
12/12 19:40	93.4	↓-0.3
12/12 19:50	93.1	↓-0.3
12/12 20:00	92.6	↓-0.5
12/12 20:10	92.0	↓-0.6
12/12 20:20	91.4	↓-0.6
12/12 20:30	90.6	↓-0.8
12/12 20:40	89.7	↓-0.9
12/12 20:50	88.7	↓-1.0
12/12 21:00	87.6	↓-1.1
12/12 21:10	86.4	↓-1.2
12/12 21:20	85.2	↓-1.2
12/12 21:30	83.8	↓-1.4
12/12 21:40	82.4	↓-1.4
12/12 21:50	81.0	↓-1.4
12/12 22:00	79.5	↓-1.5
12/12 22:10	77.9	↓-1.6
12/12 22:20	76.3	↓-1.6
12/12 22:30	74.7	↓-1.6
12/12 22:40	73.0	↓-1.7	最大潮位差
12/12 22:50	71.3	↓-1.7	最大潮位差
12/12 23:00	69.7	↓-1.6
12/12 23:10	68.0	↓-1.7	最大潮位差
12/12 23:20	66.4	↓-1.6
12/12 23:30	64.8	↓-1.6
12/12 23:40	63.2	↓-1.6
12/12 23:50	61.6	↓-1.6