20 (木)	07:34	01:06	-	15:56
	133cm	81cm	-	40cm
小潮 出 06:24 入 17:13 出 10:40 入 01:10

苫小牧（北海道）2059年02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
2/20 00:00	83.1	↓-0.8
2/20 00:10	82.3	↓-0.8
2/20 00:20	81.6	↓-0.7
2/20 00:30	81.1	↓-0.5
2/20 00:40	80.6	↓-0.5
2/20 00:50	80.3	↓-0.3
2/20 01:00	80.2	↓-0.1	干潮
2/20 01:10	80.1	↓-0.1
2/20 01:20	80.3	↑0.2
2/20 01:30	80.6	↑0.3
2/20 01:40	81.1	↑0.5
2/20 01:50	81.7	↑0.6
2/20 02:00	82.5	↑0.8
2/20 02:10	83.4	↑0.9
2/20 02:20	84.4	↑1.0
2/20 02:30	85.5	↑1.1
2/20 02:40	86.8	↑1.3
2/20 02:50	88.1	↑1.3
2/20 03:00	89.5	↑1.4
2/20 03:10	91.0	↑1.5
2/20 03:20	92.6	↑1.6
2/20 03:30	94.2	↑1.6
2/20 03:40	95.9	↑1.7
2/20 03:50	97.6	↑1.7
2/20 04:00	99.5	↑1.9
2/20 04:10	101.3	↑1.8
2/20 04:20	103.2	↑1.9
2/20 04:30	105.2	↑2.0
2/20 04:40	107.2	↑2.0
2/20 04:50	109.2	↑2.0
2/20 05:00	111.3	↑2.1
2/20 05:10	113.4	↑2.1
2/20 05:20	115.5	↑2.1
2/20 05:30	117.6	↑2.1
2/20 05:40	119.6	↑2.0
2/20 05:50	121.5	↑1.9
2/20 06:00	123.4	↑1.9
2/20 06:10	125.2	↑1.8
2/20 06:20	126.8	↑1.6
2/20 06:30	128.3	↑1.5
2/20 06:40	129.6	↑1.3
2/20 06:50	130.6	↑1.0
2/20 07:00	131.5	↑0.9
2/20 07:10	132.2	↑0.7
2/20 07:20	132.6	↑0.4
2/20 07:30	132.8	↑0.2	満潮
2/20 07:40	132.8	0
2/20 07:50	132.5	↓-0.3
2/20 08:00	132.0	↓-0.5
2/20 08:10	131.3	↓-0.7
2/20 08:20	130.4	↓-0.9
2/20 08:30	129.3	↓-1.1
2/20 08:40	128.1	↓-1.2
2/20 08:50	126.7	↓-1.4
2/20 09:00	125.1	↓-1.6
2/20 09:10	123.4	↓-1.7
2/20 09:20	121.6	↓-1.8
2/20 09:30	119.7	↓-1.9
2/20 09:40	117.7	↓-2.0
2/20 09:50	115.6	↓-2.1
2/20 10:00	113.4	↓-2.2
2/20 10:10	111.1	↓-2.3
2/20 10:20	108.7	↓-2.4
2/20 10:30	106.2	↓-2.5
2/20 10:40	103.6	↓-2.6
2/20 10:50	100.9	↓-2.7
2/20 11:00	98.2	↓-2.7
2/20 11:10	95.3	↓-2.9
2/20 11:20	92.4	↓-2.9
2/20 11:30	89.5	↓-2.9
2/20 11:40	86.5	↓-3.0
2/20 11:50	83.5	↓-3.0
2/20 12:00	80.4	↓-3.1	最大潮位差
2/20 12:10	77.4	↓-3.0
2/20 12:20	74.4	↓-3.0
2/20 12:30	71.4	↓-3.0
2/20 12:40	68.6	↓-2.8
2/20 12:50	65.7	↓-2.9
2/20 13:00	63.0	↓-2.7
2/20 13:10	60.5	↓-2.5
2/20 13:20	58.0	↓-2.5
2/20 13:30	55.7	↓-2.3
2/20 13:40	53.6	↓-2.1
2/20 13:50	51.6	↓-2.0
2/20 14:00	49.7	↓-1.9
2/20 14:10	48.0	↓-1.7
2/20 14:20	46.5	↓-1.5
2/20 14:30	45.2	↓-1.3
2/20 14:40	44.0	↓-1.2
2/20 14:50	43.0	↓-1.0
2/20 15:00	42.1	↓-0.9
2/20 15:10	41.3	↓-0.8
2/20 15:20	40.7	↓-0.6
2/20 15:30	40.3	↓-0.4
2/20 15:40	40.0	↓-0.3
2/20 15:50	39.9	↓-0.1	干潮
2/20 16:00	39.9	0
2/20 16:10	40.0	↑0.1
2/20 16:20	40.3	↑0.3
2/20 16:30	40.8	↑0.5
2/20 16:40	41.5	↑0.7
2/20 16:50	42.3	↑0.8
2/20 17:00	43.2	↑0.9
2/20 17:10	44.4	↑1.2
2/20 17:20	45.6	↑1.2
2/20 17:30	47.0	↑1.4
2/20 17:40	48.6	↑1.6
2/20 17:50	50.3	↑1.7
2/20 18:00	52.0	↑1.7
2/20 18:10	53.9	↑1.9
2/20 18:20	55.8	↑1.9
2/20 18:30	57.7	↑1.9
2/20 18:40	59.7	↑2.0
2/20 18:50	61.7	↑2.0
2/20 19:00	63.6	↑1.9
2/20 19:10	65.6	↑2.0
2/20 19:20	67.4	↑1.8
2/20 19:30	69.2	↑1.8
2/20 19:40	70.9	↑1.7
2/20 19:50	72.5	↑1.6
2/20 20:00	74.1	↑1.6
2/20 20:10	75.5	↑1.4
2/20 20:20	76.9	↑1.4
2/20 20:30	78.2	↑1.3
2/20 20:40	79.3	↑1.1
2/20 20:50	80.5	↑1.2
2/20 21:00	81.5	↑1.0
2/20 21:10	82.5	↑1.0
2/20 21:20	83.4	↑0.9
2/20 21:30	84.2	↑0.8
2/20 21:40	85.0	↑0.8
2/20 21:50	85.8	↑0.8
2/20 22:00	86.5	↑0.7
2/20 22:10	87.2	↑0.7
2/20 22:20	87.8	↑0.6
2/20 22:30	88.4	↑0.6
2/20 22:40	88.9	↑0.5
2/20 22:50	89.3	↑0.4
2/20 23:00	89.7	↑0.4
2/20 23:10	90.0	↑0.3
2/20 23:20	90.3	↑0.3
2/20 23:30	90.5	↑0.2
2/20 23:40	90.7	↑0.2
2/20 23:50	90.8	↑0.1