12 (日)	09:59	18:49	-	-
	88cm	28cm	-	-
長潮 出 04:44 入 18:02 出 02:17 入 11:50

コイセボイ（北海道）2026年04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
4/12 00:00	48.5	↑0.7
4/12 00:10	49.1	↑0.6
4/12 00:20	49.7	↑0.6
4/12 00:30	50.3	↑0.6
4/12 00:40	50.9	↑0.6
4/12 00:50	51.5	↑0.6
4/12 01:00	52.1	↑0.6
4/12 01:10	52.6	↑0.5
4/12 01:20	53.1	↑0.5
4/12 01:30	53.7	↑0.6
4/12 01:40	54.2	↑0.5
4/12 01:50	54.7	↑0.5
4/12 02:00	55.2	↑0.5
4/12 02:10	55.7	↑0.5
4/12 02:20	56.3	↑0.6
4/12 02:30	56.8	↑0.5
4/12 02:40	57.3	↑0.5
4/12 02:50	57.8	↑0.5
4/12 03:00	58.4	↑0.6
4/12 03:10	59.0	↑0.6
4/12 03:20	59.6	↑0.6
4/12 03:30	60.2	↑0.6
4/12 03:40	60.8	↑0.6
4/12 03:50	61.4	↑0.6
4/12 04:00	62.1	↑0.7
4/12 04:10	62.7	↑0.6
4/12 04:20	63.5	↑0.8
4/12 04:30	64.2	↑0.7
4/12 04:40	64.9	↑0.7
4/12 04:50	65.7	↑0.8
4/12 05:00	66.5	↑0.8
4/12 05:10	67.3	↑0.8
4/12 05:20	68.1	↑0.8
4/12 05:30	69.0	↑0.9
4/12 05:40	69.9	↑0.9
4/12 05:50	70.8	↑0.9
4/12 06:00	71.7	↑0.9
4/12 06:10	72.6	↑0.9
4/12 06:20	73.5	↑0.9
4/12 06:30	74.4	↑0.9
4/12 06:40	75.3	↑0.9
4/12 06:50	76.2	↑0.9
4/12 07:00	77.2	↑1.0
4/12 07:10	78.1	↑0.9
4/12 07:20	78.9	↑0.8
4/12 07:30	79.8	↑0.9
4/12 07:40	80.6	↑0.8
4/12 07:50	81.5	↑0.9
4/12 08:00	82.2	↑0.7
4/12 08:10	83.0	↑0.8
4/12 08:20	83.7	↑0.7
4/12 08:30	84.3	↑0.6
4/12 08:40	84.9	↑0.6
4/12 08:50	85.5	↑0.6
4/12 09:00	85.9	↑0.4
4/12 09:10	86.3	↑0.4
4/12 09:20	86.7	↑0.4
4/12 09:30	87.0	↑0.3
4/12 09:40	87.2	↑0.2
4/12 09:50	87.3	↑0.1	満潮
4/12 10:00	87.3	0
4/12 10:10	87.2	↓-0.1
4/12 10:20	87.1	↓-0.1
4/12 10:30	86.9	↓-0.2
4/12 10:40	86.5	↓-0.4
4/12 10:50	86.1	↓-0.4
4/12 11:00	85.6	↓-0.5
4/12 11:10	85.0	↓-0.6
4/12 11:20	84.3	↓-0.7
4/12 11:30	83.5	↓-0.8
4/12 11:40	82.6	↓-0.9
4/12 11:50	81.6	↓-1.0
4/12 12:00	80.6	↓-1.0
4/12 12:10	79.4	↓-1.2
4/12 12:20	78.2	↓-1.2
4/12 12:30	76.9	↓-1.3
4/12 12:40	75.5	↓-1.4
4/12 12:50	74.1	↓-1.4
4/12 13:00	72.5	↓-1.6
4/12 13:10	71.0	↓-1.5
4/12 13:20	69.3	↓-1.7
4/12 13:30	67.7	↓-1.6
4/12 13:40	65.9	↓-1.8
4/12 13:50	64.2	↓-1.7
4/12 14:00	62.4	↓-1.8
4/12 14:10	60.6	↓-1.8
4/12 14:20	58.7	↓-1.9	最大潮位差
4/12 14:30	56.9	↓-1.8
4/12 14:40	55.1	↓-1.8
4/12 14:50	53.2	↓-1.9	最大潮位差
4/12 15:00	51.4	↓-1.8
4/12 15:10	49.6	↓-1.8
4/12 15:20	47.8	↓-1.8
4/12 15:30	46.1	↓-1.7
4/12 15:40	44.4	↓-1.7
4/12 15:50	42.8	↓-1.6
4/12 16:00	41.2	↓-1.6
4/12 16:10	39.7	↓-1.5
4/12 16:20	38.2	↓-1.5
4/12 16:30	36.8	↓-1.4
4/12 16:40	35.5	↓-1.3
4/12 16:50	34.3	↓-1.2
4/12 17:00	33.1	↓-1.2
4/12 17:10	32.1	↓-1.0
4/12 17:20	31.1	↓-1.0
4/12 17:30	30.3	↓-0.8
4/12 17:40	29.5	↓-0.8
4/12 17:50	28.9	↓-0.6
4/12 18:00	28.3	↓-0.6
4/12 18:10	27.9	↓-0.4
4/12 18:20	27.6	↓-0.3
4/12 18:30	27.3	↓-0.3
4/12 18:40	27.2	↓-0.1	干潮
4/12 18:50	27.2	0
4/12 19:00	27.3	↑0.1
4/12 19:10	27.4	↑0.1
4/12 19:20	27.7	↑0.3
4/12 19:30	28.0	↑0.3
4/12 19:40	28.5	↑0.5
4/12 19:50	29.0	↑0.5
4/12 20:00	29.6	↑0.6
4/12 20:10	30.3	↑0.7
4/12 20:20	31.0	↑0.7
4/12 20:30	31.8	↑0.8
4/12 20:40	32.7	↑0.9
4/12 20:50	33.6	↑0.9
4/12 21:00	34.5	↑0.9
4/12 21:10	35.5	↑1.0
4/12 21:20	36.5	↑1.0
4/12 21:30	37.6	↑1.1
4/12 21:40	38.6	↑1.0
4/12 21:50	39.7	↑1.1
4/12 22:00	40.8	↑1.1
4/12 22:10	41.8	↑1.0
4/12 22:20	42.9	↑1.1
4/12 22:30	43.9	↑1.0
4/12 22:40	44.9	↑1.0
4/12 22:50	45.9	↑1.0
4/12 23:00	46.9	↑1.0
4/12 23:10	47.8	↑0.9
4/12 23:20	48.7	↑0.9
4/12 23:30	49.5	↑0.8
4/12 23:40	50.3	↑0.8
4/12 23:50	51.1	↑0.8