12 (木)	06:42	00:55	-	14:53
	117cm	92cm	-	38cm
小潮 出 04:58 入 18:13 出 10:13 入 00:55

苫小牧（北海道）2057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	92.6	↓-0.5
4/12 00:10	92.3	↓-0.3
4/12 00:20	91.9	↓-0.4
4/12 00:30	91.7	↓-0.2
4/12 00:40	91.5	↓-0.2
4/12 00:50	91.4	↓-0.1	干潮
4/12 01:00	91.4	0
4/12 01:10	91.5	↑0.1
4/12 01:20	91.7	↑0.2
4/12 01:30	92.1	↑0.4
4/12 01:40	92.5	↑0.4
4/12 01:50	93.1	↑0.6
4/12 02:00	93.7	↑0.6
4/12 02:10	94.5	↑0.8
4/12 02:20	95.3	↑0.8
4/12 02:30	96.1	↑0.8
4/12 02:40	97.0	↑0.9
4/12 02:50	98.0	↑1.0
4/12 03:00	98.9	↑0.9
4/12 03:10	99.9	↑1.0
4/12 03:20	100.9	↑1.0
4/12 03:30	101.8	↑0.9
4/12 03:40	102.8	↑1.0
4/12 03:50	103.8	↑1.0
4/12 04:00	104.7	↑0.9
4/12 04:10	105.7	↑1.0
4/12 04:20	106.6	↑0.9
4/12 04:30	107.5	↑0.9
4/12 04:40	108.5	↑1.0
4/12 04:50	109.4	↑0.9
4/12 05:00	110.3	↑0.9
4/12 05:10	111.1	↑0.8
4/12 05:20	112.0	↑0.9
4/12 05:30	112.8	↑0.8
4/12 05:40	113.6	↑0.8
4/12 05:50	114.2	↑0.6
4/12 06:00	114.8	↑0.6
4/12 06:10	115.4	↑0.6
4/12 06:20	115.7	↑0.3
4/12 06:30	116.0	↑0.3
4/12 06:40	116.1	↑0.1	満潮
4/12 06:50	116.0	↓-0.1
4/12 07:00	115.8	↓-0.2
4/12 07:10	115.3	↓-0.5
4/12 07:20	114.7	↓-0.6
4/12 07:30	113.9	↓-0.8
4/12 07:40	112.9	↓-1.0
4/12 07:50	111.7	↓-1.2
4/12 08:00	110.3	↓-1.4
4/12 08:10	108.8	↓-1.5
4/12 08:20	107.1	↓-1.7
4/12 08:30	105.3	↓-1.8
4/12 08:40	103.4	↓-1.9
4/12 08:50	101.4	↓-2.0
4/12 09:00	99.3	↓-2.1
4/12 09:10	97.2	↓-2.1
4/12 09:20	95.0	↓-2.2
4/12 09:30	92.8	↓-2.2
4/12 09:40	90.5	↓-2.3
4/12 09:50	88.2	↓-2.3
4/12 10:00	85.9	↓-2.3
4/12 10:10	83.6	↓-2.3
4/12 10:20	81.4	↓-2.2
4/12 10:30	79.0	↓-2.4	最大潮位差
4/12 10:40	76.7	↓-2.3
4/12 10:50	74.4	↓-2.3
4/12 11:00	72.1	↓-2.3
4/12 11:10	69.8	↓-2.3
4/12 11:20	67.5	↓-2.3
4/12 11:30	65.2	↓-2.3
4/12 11:40	62.9	↓-2.3
4/12 11:50	60.6	↓-2.3
4/12 12:00	58.4	↓-2.2
4/12 12:10	56.2	↓-2.2
4/12 12:20	54.0	↓-2.2
4/12 12:30	52.0	↓-2.0
4/12 12:40	50.0	↓-2.0
4/12 12:50	48.2	↓-1.8
4/12 13:00	46.4	↓-1.8
4/12 13:10	44.8	↓-1.6
4/12 13:20	43.3	↓-1.5
4/12 13:30	42.0	↓-1.3
4/12 13:40	40.8	↓-1.2
4/12 13:50	39.8	↓-1.0
4/12 14:00	39.0	↓-0.8
4/12 14:10	38.3	↓-0.7
4/12 14:20	37.8	↓-0.5
4/12 14:30	37.4	↓-0.4
4/12 14:40	37.2	↓-0.2
4/12 14:50	37.1	↓-0.1	干潮
4/12 15:00	37.1	0
4/12 15:10	37.3	↑0.2
4/12 15:20	37.6	↑0.3
4/12 15:30	38.0	↑0.4
4/12 15:40	38.5	↑0.5
4/12 15:50	39.1	↑0.6
4/12 16:00	39.9	↑0.8
4/12 16:10	40.8	↑0.9
4/12 16:20	41.7	↑0.9
4/12 16:30	42.8	↑1.1
4/12 16:40	44.1	↑1.3
4/12 16:50	45.4	↑1.3
4/12 17:00	46.8	↑1.4
4/12 17:10	48.4	↑1.6
4/12 17:20	50.1	↑1.7
4/12 17:30	51.9	↑1.8
4/12 17:40	53.7	↑1.8
4/12 17:50	55.7	↑2.0
4/12 18:00	57.7	↑2.0
4/12 18:10	59.8	↑2.1
4/12 18:20	62.0	↑2.2
4/12 18:30	64.1	↑2.1
4/12 18:40	66.3	↑2.2
4/12 18:50	68.4	↑2.1
4/12 19:00	70.5	↑2.1
4/12 19:10	72.6	↑2.1
4/12 19:20	74.6	↑2.0
4/12 19:30	76.5	↑1.9
4/12 19:40	78.3	↑1.8
4/12 19:50	80.0	↑1.7
4/12 20:00	81.7	↑1.7
4/12 20:10	83.2	↑1.5
4/12 20:20	84.6	↑1.4
4/12 20:30	85.9	↑1.3
4/12 20:40	87.1	↑1.2
4/12 20:50	88.2	↑1.1
4/12 21:00	89.3	↑1.1
4/12 21:10	90.2	↑0.9
4/12 21:20	91.1	↑0.9
4/12 21:30	91.9	↑0.8
4/12 21:40	92.7	↑0.8
4/12 21:50	93.4	↑0.7
4/12 22:00	94.1	↑0.7
4/12 22:10	94.7	↑0.6
4/12 22:20	95.3	↑0.6
4/12 22:30	95.8	↑0.5
4/12 22:40	96.3	↑0.5
4/12 22:50	96.7	↑0.4
4/12 23:00	97.1	↑0.4
4/12 23:10	97.4	↑0.3
4/12 23:20	97.7	↑0.3
4/12 23:30	97.9	↑0.2
4/12 23:40	98.0	↑0.1
4/12 23:50	98.1	↑0.1