1 (火)	08:06	17:20	-	-
	93cm	32cm	-	-
長潮 出 05:04 入 17:48 出 11:11 入 01:15

コイセボイ（北海道）2031年04月1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
4/1 00:00	49.1	↑0.4
4/1 00:10	49.5	↑0.4
4/1 00:20	49.9	↑0.4
4/1 00:30	50.4	↑0.5
4/1 00:40	50.9	↑0.5
4/1 00:50	51.5	↑0.6
4/1 01:00	52.1	↑0.6
4/1 01:10	52.7	↑0.6
4/1 01:20	53.4	↑0.7
4/1 01:30	54.1	↑0.7
4/1 01:40	54.9	↑0.8
4/1 01:50	55.8	↑0.9
4/1 02:00	56.7	↑0.9
4/1 02:10	57.6	↑0.9
4/1 02:20	58.6	↑1.0
4/1 02:30	59.6	↑1.0
4/1 02:40	60.7	↑1.1
4/1 02:50	61.8	↑1.1
4/1 03:00	62.9	↑1.1
4/1 03:10	64.1	↑1.2
4/1 03:20	65.3	↑1.2
4/1 03:30	66.5	↑1.2
4/1 03:40	67.8	↑1.3
4/1 03:50	69.1	↑1.3
4/1 04:00	70.4	↑1.3
4/1 04:10	71.7	↑1.3
4/1 04:20	73.0	↑1.3
4/1 04:30	74.3	↑1.3
4/1 04:40	75.6	↑1.3
4/1 04:50	76.9	↑1.3
4/1 05:00	78.2	↑1.3
4/1 05:10	79.5	↑1.3
4/1 05:20	80.7	↑1.2
4/1 05:30	81.9	↑1.2
4/1 05:40	83.1	↑1.2
4/1 05:50	84.2	↑1.1
4/1 06:00	85.2	↑1.0
4/1 06:10	86.3	↑1.1
4/1 06:20	87.2	↑0.9
4/1 06:30	88.1	↑0.9
4/1 06:40	88.9	↑0.8
4/1 06:50	89.6	↑0.7
4/1 07:00	90.3	↑0.7
4/1 07:10	90.8	↑0.5
4/1 07:20	91.3	↑0.5
4/1 07:30	91.7	↑0.4
4/1 07:40	92.0	↑0.3
4/1 07:50	92.2	↑0.2
4/1 08:00	92.3	↑0.1	満潮
4/1 08:10	92.3	0
4/1 08:20	92.2	↓-0.1
4/1 08:30	92.0	↓-0.2
4/1 08:40	91.7	↓-0.3
4/1 08:50	91.3	↓-0.4
4/1 09:00	90.8	↓-0.5
4/1 09:10	90.2	↓-0.6
4/1 09:20	89.5	↓-0.7
4/1 09:30	88.7	↓-0.8
4/1 09:40	87.8	↓-0.9
4/1 09:50	86.8	↓-1.0
4/1 10:00	85.7	↓-1.1
4/1 10:10	84.5	↓-1.2
4/1 10:20	83.3	↓-1.2
4/1 10:30	82.0	↓-1.3
4/1 10:40	80.6	↓-1.4
4/1 10:50	79.1	↓-1.5
4/1 11:00	77.6	↓-1.5
4/1 11:10	76.0	↓-1.6
4/1 11:20	74.4	↓-1.6
4/1 11:30	72.8	↓-1.6
4/1 11:40	71.1	↓-1.7
4/1 11:50	69.3	↓-1.8	最大潮位差
4/1 12:00	67.6	↓-1.7
4/1 12:10	65.8	↓-1.8	最大潮位差
4/1 12:20	64.0	↓-1.8	最大潮位差
4/1 12:30	62.2	↓-1.8	最大潮位差
4/1 12:40	60.4	↓-1.8	最大潮位差
4/1 12:50	58.7	↓-1.7
4/1 13:00	56.9	↓-1.8	最大潮位差
4/1 13:10	55.2	↓-1.7
4/1 13:20	53.5	↓-1.7
4/1 13:30	51.8	↓-1.7
4/1 13:40	50.1	↓-1.7
4/1 13:50	48.5	↓-1.6
4/1 14:00	47.0	↓-1.5
4/1 14:10	45.5	↓-1.5
4/1 14:20	44.1	↓-1.4
4/1 14:30	42.7	↓-1.4
4/1 14:40	41.4	↓-1.3
4/1 14:50	40.2	↓-1.2
4/1 15:00	39.0	↓-1.2
4/1 15:10	37.9	↓-1.1
4/1 15:20	36.9	↓-1.0
4/1 15:30	36.0	↓-0.9
4/1 15:40	35.2	↓-0.8
4/1 15:50	34.4	↓-0.8
4/1 16:00	33.7	↓-0.7
4/1 16:10	33.1	↓-0.6
4/1 16:20	32.6	↓-0.5
4/1 16:30	32.2	↓-0.4
4/1 16:40	31.9	↓-0.3
4/1 16:50	31.6	↓-0.3
4/1 17:00	31.4	↓-0.2
4/1 17:10	31.3	↓-0.1	干潮
4/1 17:20	31.3	0	干潮
4/1 17:30	31.3	0
4/1 17:40	31.4	↑0.1
4/1 17:50	31.6	↑0.2
4/1 18:00	31.8	↑0.2
4/1 18:10	32.1	↑0.3
4/1 18:20	32.5	↑0.4
4/1 18:30	32.9	↑0.4
4/1 18:40	33.3	↑0.4
4/1 18:50	33.8	↑0.5
4/1 19:00	34.4	↑0.6
4/1 19:10	34.9	↑0.5
4/1 19:20	35.5	↑0.6
4/1 19:30	36.2	↑0.7
4/1 19:40	36.8	↑0.6
4/1 19:50	37.5	↑0.7
4/1 20:00	38.1	↑0.6
4/1 20:10	38.8	↑0.7
4/1 20:20	39.5	↑0.7
4/1 20:30	40.2	↑0.7
4/1 20:40	40.9	↑0.7
4/1 20:50	41.5	↑0.6
4/1 21:00	42.2	↑0.7
4/1 21:10	42.9	↑0.7
4/1 21:20	43.5	↑0.6
4/1 21:30	44.2	↑0.7
4/1 21:40	44.8	↑0.6
4/1 21:50	45.4	↑0.6
4/1 22:00	45.9	↑0.5
4/1 22:10	46.5	↑0.6
4/1 22:20	47.0	↑0.5
4/1 22:30	47.5	↑0.5
4/1 22:40	48.0	↑0.5
4/1 22:50	48.4	↑0.4
4/1 23:00	48.9	↑0.5
4/1 23:10	49.3	↑0.4
4/1 23:20	49.7	↑0.4
4/1 23:30	50.0	↑0.3
4/1 23:40	50.4	↑0.4
4/1 23:50	50.7	↑0.3