20 (金)	19:23	02:59	-	-
	106cm	36cm	-	-
小潮 出 05:06 入 17:24 出 22:21 入 12:58

コイセボイ（北海道）2030年09月20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
9/20 00:00	52.6	↓-2.0	最大潮位差
9/20 00:10	50.8	↓-1.8
9/20 00:20	49.0	↓-1.8
9/20 00:30	47.4	↓-1.6
9/20 00:40	45.8	↓-1.6
9/20 00:50	44.4	↓-1.4
9/20 01:00	43.0	↓-1.4
9/20 01:10	41.8	↓-1.2
9/20 01:20	40.7	↓-1.1
9/20 01:30	39.7	↓-1.0
9/20 01:40	38.8	↓-0.9
9/20 01:50	38.0	↓-0.8
9/20 02:00	37.4	↓-0.6
9/20 02:10	36.8	↓-0.6
9/20 02:20	36.4	↓-0.4
9/20 02:30	36.1	↓-0.3
9/20 02:40	35.9	↓-0.2
9/20 02:50	35.7	↓-0.2	干潮
9/20 03:00	35.7	0
9/20 03:10	35.8	↑0.1
9/20 03:20	35.9	↑0.1
9/20 03:30	36.2	↑0.3
9/20 03:40	36.5	↑0.3
9/20 03:50	36.8	↑0.3
9/20 04:00	37.3	↑0.5
9/20 04:10	37.7	↑0.4
9/20 04:20	38.3	↑0.6
9/20 04:30	38.8	↑0.5
9/20 04:40	39.4	↑0.6
9/20 04:50	40.1	↑0.7
9/20 05:00	40.7	↑0.6
9/20 05:10	41.4	↑0.7
9/20 05:20	42.0	↑0.6
9/20 05:30	42.7	↑0.7
9/20 05:40	43.4	↑0.7
9/20 05:50	44.0	↑0.6
9/20 06:00	44.7	↑0.7
9/20 06:10	45.3	↑0.6
9/20 06:20	45.9	↑0.6
9/20 06:30	46.5	↑0.6
9/20 06:40	47.0	↑0.5
9/20 06:50	47.5	↑0.5
9/20 07:00	48.0	↑0.5
9/20 07:10	48.5	↑0.5
9/20 07:20	48.9	↑0.4
9/20 07:30	49.2	↑0.3
9/20 07:40	49.6	↑0.4
9/20 07:50	49.9	↑0.3
9/20 08:00	50.1	↑0.2
9/20 08:10	50.4	↑0.3
9/20 08:20	50.6	↑0.2
9/20 08:30	50.7	↑0.1
9/20 08:40	50.9	↑0.2
9/20 08:50	51.0	↑0.1
9/20 09:00	51.1	↑0.1
9/20 09:10	51.1	0
9/20 09:20	51.2	↑0.1
9/20 09:30	51.3	↑0.1
9/20 09:40	51.3	0
9/20 09:50	51.4	↑0.1
9/20 10:00	51.5	↑0.1
9/20 10:10	51.6	↑0.1
9/20 10:20	51.7	↑0.1
9/20 10:30	51.8	↑0.1
9/20 10:40	51.9	↑0.1
9/20 10:50	52.1	↑0.2
9/20 11:00	52.3	↑0.2
9/20 11:10	52.6	↑0.3
9/20 11:20	52.9	↑0.3
9/20 11:30	53.3	↑0.4
9/20 11:40	53.7	↑0.4
9/20 11:50	54.2	↑0.5
9/20 12:00	54.7	↑0.5
9/20 12:10	55.3	↑0.6
9/20 12:20	56.0	↑0.7
9/20 12:30	56.7	↑0.7
9/20 12:40	57.5	↑0.8
9/20 12:50	58.4	↑0.9
9/20 13:00	59.3	↑0.9
9/20 13:10	60.4	↑1.1
9/20 13:20	61.4	↑1.0
9/20 13:30	62.6	↑1.2
9/20 13:40	63.8	↑1.2
9/20 13:50	65.1	↑1.3
9/20 14:00	66.4	↑1.3
9/20 14:10	67.8	↑1.4
9/20 14:20	69.3	↑1.5
9/20 14:30	70.7	↑1.4
9/20 14:40	72.3	↑1.6
9/20 14:50	73.9	↑1.6
9/20 15:00	75.5	↑1.6
9/20 15:10	77.1	↑1.6
9/20 15:20	78.7	↑1.6
9/20 15:30	80.4	↑1.7
9/20 15:40	82.1	↑1.7
9/20 15:50	83.7	↑1.6
9/20 16:00	85.4	↑1.7
9/20 16:10	87.0	↑1.6
9/20 16:20	88.6	↑1.6
9/20 16:30	90.2	↑1.6
9/20 16:40	91.8	↑1.6
9/20 16:50	93.3	↑1.5
9/20 17:00	94.7	↑1.4
9/20 17:10	96.1	↑1.4
9/20 17:20	97.4	↑1.3
9/20 17:30	98.7	↑1.3
9/20 17:40	99.8	↑1.1
9/20 17:50	100.9	↑1.1
9/20 18:00	101.9	↑1.0
9/20 18:10	102.7	↑0.8
9/20 18:20	103.5	↑0.8
9/20 18:30	104.2	↑0.7
9/20 18:40	104.8	↑0.6
9/20 18:50	105.2	↑0.4
9/20 19:00	105.5	↑0.3
9/20 19:10	105.7	↑0.2
9/20 19:20	105.8	↑0.1	満潮
9/20 19:30	105.8	0
9/20 19:40	105.6	↓-0.2
9/20 19:50	105.3	↓-0.3
9/20 20:00	104.9	↓-0.4
9/20 20:10	104.4	↓-0.5
9/20 20:20	103.7	↓-0.7
9/20 20:30	102.9	↓-0.8
9/20 20:40	102.0	↓-0.9
9/20 20:50	101.0	↓-1.0
9/20 21:00	99.9	↓-1.1
9/20 21:10	98.7	↓-1.2
9/20 21:20	97.4	↓-1.3
9/20 21:30	96.0	↓-1.4
9/20 21:40	94.5	↓-1.5
9/20 21:50	92.9	↓-1.6
9/20 22:00	91.2	↓-1.7
9/20 22:10	89.5	↓-1.7
9/20 22:20	87.7	↓-1.8
9/20 22:30	85.9	↓-1.8
9/20 22:40	84.0	↓-1.9
9/20 22:50	82.1	↓-1.9
9/20 23:00	80.1	↓-2.0	最大潮位差
9/20 23:10	78.1	↓-2.0	最大潮位差
9/20 23:20	76.1	↓-2.0	最大潮位差
9/20 23:30	74.1	↓-2.0	最大潮位差
9/20 23:40	72.1	↓-2.0	最大潮位差
9/20 23:50	70.1	↓-2.0	最大潮位差