18 (月)	20:26	04:23	-	-
	103cm	36cm	-	-
小潮 出 05:04 入 17:27 出 14:28 入 23:42

コイセボイ（北海道）2056年09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
9/18 00:00	65.2	↓-2.1	最大潮位差
9/18 00:10	63.2	↓-2.0
9/18 00:20	61.2	↓-2.0
9/18 00:30	59.3	↓-1.9
9/18 00:40	57.4	↓-1.9
9/18 00:50	55.5	↓-1.9
9/18 01:00	53.8	↓-1.7
9/18 01:10	52.0	↓-1.8
9/18 01:20	50.4	↓-1.6
9/18 01:30	48.8	↓-1.6
9/18 01:40	47.4	↓-1.4
9/18 01:50	46.0	↓-1.4
9/18 02:00	44.6	↓-1.4
9/18 02:10	43.4	↓-1.2
9/18 02:20	42.3	↓-1.1
9/18 02:30	41.3	↓-1.0
9/18 02:40	40.3	↓-1.0
9/18 02:50	39.5	↓-0.8
9/18 03:00	38.7	↓-0.8
9/18 03:10	38.0	↓-0.7
9/18 03:20	37.5	↓-0.5
9/18 03:30	37.0	↓-0.5
9/18 03:40	36.6	↓-0.4
9/18 03:50	36.3	↓-0.3
9/18 04:00	36.1	↓-0.2
9/18 04:10	36.0	↓-0.1
9/18 04:20	35.9	↓-0.1	干潮
9/18 04:30	35.9	0
9/18 04:40	36.0	↑0.1
9/18 04:50	36.2	↑0.2
9/18 05:00	36.4	↑0.2
9/18 05:10	36.7	↑0.3
9/18 05:20	37.0	↑0.3
9/18 05:30	37.4	↑0.4
9/18 05:40	37.8	↑0.4
9/18 05:50	38.3	↑0.5
9/18 06:00	38.8	↑0.5
9/18 06:10	39.3	↑0.5
9/18 06:20	39.9	↑0.6
9/18 06:30	40.5	↑0.6
9/18 06:40	41.1	↑0.6
9/18 06:50	41.7	↑0.6
9/18 07:00	42.3	↑0.6
9/18 07:10	42.9	↑0.6
9/18 07:20	43.5	↑0.6
9/18 07:30	44.1	↑0.6
9/18 07:40	44.7	↑0.6
9/18 07:50	45.3	↑0.6
9/18 08:00	45.9	↑0.6
9/18 08:10	46.5	↑0.6
9/18 08:20	47.0	↑0.5
9/18 08:30	47.6	↑0.6
9/18 08:40	48.1	↑0.5
9/18 08:50	48.6	↑0.5
9/18 09:00	49.1	↑0.5
9/18 09:10	49.6	↑0.5
9/18 09:20	50.0	↑0.4
9/18 09:30	50.5	↑0.5
9/18 09:40	50.9	↑0.4
9/18 09:50	51.3	↑0.4
9/18 10:00	51.7	↑0.4
9/18 10:10	52.1	↑0.4
9/18 10:20	52.5	↑0.4
9/18 10:30	52.9	↑0.4
9/18 10:40	53.2	↑0.3
9/18 10:50	53.6	↑0.4
9/18 11:00	54.0	↑0.4
9/18 11:10	54.4	↑0.4
9/18 11:20	54.8	↑0.4
9/18 11:30	55.2	↑0.4
9/18 11:40	55.6	↑0.4
9/18 11:50	56.1	↑0.5
9/18 12:00	56.5	↑0.4
9/18 12:10	57.0	↑0.5
9/18 12:20	57.5	↑0.5
9/18 12:30	58.1	↑0.6
9/18 12:40	58.6	↑0.5
9/18 12:50	59.2	↑0.6
9/18 13:00	59.9	↑0.7
9/18 13:10	60.6	↑0.7
9/18 13:20	61.3	↑0.7
9/18 13:30	62.0	↑0.7
9/18 13:40	62.8	↑0.8
9/18 13:50	63.7	↑0.9
9/18 14:00	64.6	↑0.9
9/18 14:10	65.5	↑0.9
9/18 14:20	66.5	↑1.0
9/18 14:30	67.5	↑1.0
9/18 14:40	68.6	↑1.1
9/18 14:50	69.7	↑1.1
9/18 15:00	70.8	↑1.1
9/18 15:10	72.0	↑1.2
9/18 15:20	73.2	↑1.2
9/18 15:30	74.4	↑1.2
9/18 15:40	75.6	↑1.2
9/18 15:50	76.9	↑1.3
9/18 16:00	78.2	↑1.3
9/18 16:10	79.5	↑1.3
9/18 16:20	80.9	↑1.4
9/18 16:30	82.2	↑1.3
9/18 16:40	83.5	↑1.3
9/18 16:50	84.9	↑1.4
9/18 17:00	86.2	↑1.3
9/18 17:10	87.5	↑1.3
9/18 17:20	88.8	↑1.3
9/18 17:30	90.1	↑1.3
9/18 17:40	91.3	↑1.2
9/18 17:50	92.5	↑1.2
9/18 18:00	93.7	↑1.2
9/18 18:10	94.8	↑1.1
9/18 18:20	95.9	↑1.1
9/18 18:30	96.9	↑1.0
9/18 18:40	97.8	↑0.9
9/18 18:50	98.7	↑0.9
9/18 19:00	99.5	↑0.8
9/18 19:10	100.2	↑0.7
9/18 19:20	100.9	↑0.7
9/18 19:30	101.5	↑0.6
9/18 19:40	101.9	↑0.4
9/18 19:50	102.3	↑0.4
9/18 20:00	102.6	↑0.3
9/18 20:10	102.8	↑0.2
9/18 20:20	102.9	↑0.1	満潮
9/18 20:30	102.9	0
9/18 20:40	102.8	↓-0.1
9/18 20:50	102.6	↓-0.2
9/18 21:00	102.3	↓-0.3
9/18 21:10	101.9	↓-0.4
9/18 21:20	101.3	↓-0.6
9/18 21:30	100.7	↓-0.6
9/18 21:40	100.0	↓-0.7
9/18 21:50	99.1	↓-0.9
9/18 22:00	98.2	↓-0.9
9/18 22:10	97.2	↓-1.0
9/18 22:20	96.1	↓-1.1
9/18 22:30	94.9	↓-1.2
9/18 22:40	93.6	↓-1.3
9/18 22:50	92.2	↓-1.4
9/18 23:00	90.7	↓-1.5
9/18 23:10	89.2	↓-1.5
9/18 23:20	87.6	↓-1.6
9/18 23:30	86.0	↓-1.6
9/18 23:40	84.2	↓-1.8
9/18 23:50	82.5	↓-1.7