5 (水)	10:52	19:05	-	-
	87cm	31cm	-	-
若潮 出 04:56 入 17:54 出 12:45 入 02:23

コイセボイ（北海道）2028年04月5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
4/5 00:00	50.2	↑0.6
4/5 00:10	50.7	↑0.5
4/5 00:20	51.2	↑0.5
4/5 00:30	51.7	↑0.5
4/5 00:40	52.1	↑0.4
4/5 00:50	52.5	↑0.4
4/5 01:00	52.9	↑0.4
4/5 01:10	53.3	↑0.4
4/5 01:20	53.6	↑0.3
4/5 01:30	53.9	↑0.3
4/5 01:40	54.2	↑0.3
4/5 01:50	54.4	↑0.2
4/5 02:00	54.7	↑0.3
4/5 02:10	54.9	↑0.2
4/5 02:20	55.1	↑0.2
4/5 02:30	55.3	↑0.2
4/5 02:40	55.6	↑0.3
4/5 02:50	55.8	↑0.2
4/5 03:00	56.0	↑0.2
4/5 03:10	56.3	↑0.3
4/5 03:20	56.5	↑0.2
4/5 03:30	56.8	↑0.3
4/5 03:40	57.1	↑0.3
4/5 03:50	57.4	↑0.3
4/5 04:00	57.8	↑0.4
4/5 04:10	58.1	↑0.3
4/5 04:20	58.5	↑0.4
4/5 04:30	59.0	↑0.5
4/5 04:40	59.5	↑0.5
4/5 04:50	60.0	↑0.5
4/5 05:00	60.5	↑0.5
4/5 05:10	61.1	↑0.6
4/5 05:20	61.8	↑0.7
4/5 05:30	62.4	↑0.6
4/5 05:40	63.2	↑0.8
4/5 05:50	63.9	↑0.7
4/5 06:00	64.7	↑0.8
4/5 06:10	65.5	↑0.8
4/5 06:20	66.4	↑0.9
4/5 06:30	67.3	↑0.9
4/5 06:40	68.2	↑0.9
4/5 06:50	69.2	↑1.0
4/5 07:00	70.1	↑0.9
4/5 07:10	71.1	↑1.0
4/5 07:20	72.1	↑1.0
4/5 07:30	73.1	↑1.0
4/5 07:40	74.2	↑1.1
4/5 07:50	75.2	↑1.0
4/5 08:00	76.2	↑1.0
4/5 08:10	77.2	↑1.0
4/5 08:20	78.2	↑1.0
4/5 08:30	79.1	↑0.9
4/5 08:40	80.1	↑1.0
4/5 08:50	81.0	↑0.9
4/5 09:00	81.8	↑0.8
4/5 09:10	82.6	↑0.8
4/5 09:20	83.4	↑0.8
4/5 09:30	84.1	↑0.7
4/5 09:40	84.7	↑0.6
4/5 09:50	85.3	↑0.6
4/5 10:00	85.8	↑0.5
4/5 10:10	86.2	↑0.4
4/5 10:20	86.5	↑0.3
4/5 10:30	86.7	↑0.2
4/5 10:40	86.9	↑0.2
4/5 10:50	86.9	0	満潮
4/5 11:00	86.9	0
4/5 11:10	86.8	↓-0.1
4/5 11:20	86.5	↓-0.3
4/5 11:30	86.2	↓-0.3
4/5 11:40	85.7	↓-0.5
4/5 11:50	85.2	↓-0.5
4/5 12:00	84.5	↓-0.7
4/5 12:10	83.7	↓-0.8
4/5 12:20	82.9	↓-0.8
4/5 12:30	81.9	↓-1.0
4/5 12:40	80.9	↓-1.0
4/5 12:50	79.7	↓-1.2
4/5 13:00	78.5	↓-1.2
4/5 13:10	77.1	↓-1.4
4/5 13:20	75.7	↓-1.4
4/5 13:30	74.3	↓-1.4
4/5 13:40	72.7	↓-1.6
4/5 13:50	71.1	↓-1.6
4/5 14:00	69.4	↓-1.7
4/5 14:10	67.7	↓-1.7
4/5 14:20	65.9	↓-1.8
4/5 14:30	64.2	↓-1.7
4/5 14:40	62.3	↓-1.9	最大潮位差
4/5 14:50	60.5	↓-1.8
4/5 15:00	58.6	↓-1.9	最大潮位差
4/5 15:10	56.8	↓-1.8
4/5 15:20	54.9	↓-1.9	最大潮位差
4/5 15:30	53.1	↓-1.8
4/5 15:40	51.3	↓-1.8
4/5 15:50	49.5	↓-1.8
4/5 16:00	47.8	↓-1.7
4/5 16:10	46.1	↓-1.7
4/5 16:20	44.4	↓-1.7
4/5 16:30	42.9	↓-1.5
4/5 16:40	41.4	↓-1.5
4/5 16:50	39.9	↓-1.5
4/5 17:00	38.6	↓-1.3
4/5 17:10	37.3	↓-1.3
4/5 17:20	36.1	↓-1.2
4/5 17:30	35.0	↓-1.1
4/5 17:40	34.1	↓-0.9
4/5 17:50	33.2	↓-0.9
4/5 18:00	32.4	↓-0.8
4/5 18:10	31.8	↓-0.6
4/5 18:20	31.2	↓-0.6
4/5 18:30	30.8	↓-0.4
4/5 18:40	30.5	↓-0.3
4/5 18:50	30.3	↓-0.2
4/5 19:00	30.2	↓-0.1	干潮
4/5 19:10	30.2	0
4/5 19:20	30.3	↑0.1
4/5 19:30	30.5	↑0.2
4/5 19:40	30.8	↑0.3
4/5 19:50	31.2	↑0.4
4/5 20:00	31.7	↑0.5
4/5 20:10	32.3	↑0.6
4/5 20:20	33.0	↑0.7
4/5 20:30	33.8	↑0.8
4/5 20:40	34.6	↑0.8
4/5 20:50	35.5	↑0.9
4/5 21:00	36.4	↑0.9
4/5 21:10	37.4	↑1.0
4/5 21:20	38.4	↑1.0
4/5 21:30	39.5	↑1.1
4/5 21:40	40.6	↑1.1
4/5 21:50	41.7	↑1.1
4/5 22:00	42.8	↑1.1
4/5 22:10	43.9	↑1.1
4/5 22:20	45.0	↑1.1
4/5 22:30	46.1	↑1.1
4/5 22:40	47.2	↑1.1
4/5 22:50	48.3	↑1.1
4/5 23:00	49.3	↑1.0
4/5 23:10	50.2	↑0.9
4/5 23:20	51.2	↑1.0
4/5 23:30	52.1	↑0.9
4/5 23:40	52.9	↑0.8
4/5 23:50	53.6	↑0.7